Plural Concentric Or Single Coiled Electrode Patents (Class 429/94)
  • Patent number: 10840537
    Abstract: A method of manufacturing a secondary battery and a secondary battery manufactured by the method are disclosed. In one aspect, the method includes providing an electrode assembly including first and second electrode plates, wherein the first electrode plate includes a plurality of first multi-tabs outwardly extending from an end thereof, and wherein the second electrode plate includes a plurality of second multi-tabs outwardly extending from an end thereof. The method also includes tack welding the first and second multi-tabs with the use of upper and lower welding tools, wherein the upper welding tool has a protrusion and the lower welding tool has a recess, and wherein a bending portion is formed in the first and second multi-tabs. The method further includes and welding lead tabs to the tack welded first and second multi-tabs, respectively and accommodating the electrode assembly having the lead tabs welded thereto in a case.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: November 17, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Yuna Kim, Jangho Yoon
  • Patent number: 10840557
    Abstract: An electrode assembly and a lithium ion electric roll having the same are provided. The electrode assembly includes: a first electrode unit; a first anti-puncture cushion; in which the first electrode unit includes a first electrode sheet, an second electrode sheet, and a separator, the separator is disposed between the first electrode sheet and the second electrode sheet; the first anti-puncture cushion is disposed on a side of the first electrode unit along a width direction, and covers an edge of the first electrode sheet.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: November 17, 2020
    Assignee: DONGGUAN AMPEREX TECHNOLOGY LIMITED
    Inventors: Junliang Zhu, Haibing Wang, Tongming Dong, Wenqiang Cheng, Baohua Chen, Shufeng Wu, Wei Yang, Zhihua Qin, Meina Lin
  • Patent number: 10833371
    Abstract: A wound-type cell includes a first electrode plate; a second electrode plate; a separator, disposed between the first electrode plate and the second electrode plate; a first electrode tab electrically connected to the first electrode plate; and a second electrode tab electrically connected to the second electrode plate, in which the separator includes a third winding start end, the third winding start end is folded back to an inner side in a thickness direction and is disposed between the first electrode tab and the second electrode tab in a length direction.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: November 10, 2020
    Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
    Inventors: Qiao Zeng, Kefei Wang, Jiacai Cai, Yu Luo
  • Patent number: 10826049
    Abstract: According to embodiments of the present application, an electrode tab is provided comprising a substrate, a protective layer located outside the substrate, wherein the protective layer includes a first non-metallic element and a first metal element and the atomic ratio between the first non-metallic element and the first metal element is in the range of 10% to 30%. The embodiments of the present application further provide an electrode assembly and a battery. The object of the present application is to provide an electrode tab, an electrode assembly and a battery so as to at least achieve the improvement of electrolyte resistance under the immersion of electrolyte.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: November 3, 2020
    Assignee: Ningde Amperex Technology Limited
    Inventors: Chunye Wen, Guifu Wang
  • Patent number: 10823969
    Abstract: An apparatus includes a frame component of a head-mounted device (HMD) configured to secure the HMD to a head of a user. The frame component includes therein a first compartment, a second compartment, and a channel connecting the first compartment and the second compartment. The frame component is configured to be positioned along a side of the head with the channel passing over an ear of the head, the first compartment disposed on a first side of the ear, and the second compartment disposed on a second side of the ear. The apparatus also includes a battery disposed within the first compartment, a processor disposed within the second compartment, and a heat pipe extending from the first compartment to the second compartment through the channel. The heat pipe is configured to transfer heat from the processor to the battery.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: November 3, 2020
    Assignee: Google LLC
    Inventors: Christopher Hoover, Jay Kothari, Alberto Vidal, Kenneth Robertson, Jacques Gagne
  • Patent number: 10790481
    Abstract: The present invention relates to a packaging material for a power storage device, the packaging material having a structure in which at least a substrate protective layer, a substrate layer, an adhesive layer, a metal foil layer, a sealant adhesive layer, and a sealant layer are laminated in this order, wherein the substrate protective layer is a cured product of a raw material containing a polyester resin and a polyisocyanate, a ratio [NCO]/[OH] is 5 to 60, where [OH] is the number of moles of hydroxyl groups in the polyester resin, and [NCO] is the number of moles of isocyanate groups in the polyisocyanate, and the polyester resin has a hydroxyl value of 10 to 70 KOHmg/g.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: September 29, 2020
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Takuya Muraki, Tomohiko Yamazaki, Masayoshi Suzuta
  • Patent number: 10770758
    Abstract: Disclosed is a cable-type secondary battery, including: a winding core having guide portions formed by intaglio or relief in a spiral shape on the surface thereof; a sheet-type first inner electrode formed on the outside of the winding core surface between the guide portions by spiral winding; a sheet-type first separation layer formed on the outside of the first inner electrode by spiral winding; a sheet-type second inner electrode formed on the outside of the first separation layer by spiral winding; a second separation layer formed on the outside of the second inner electrode by spiral winding; and an outer electrode formed on the outside of the second separation layer by spiral winding.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: September 8, 2020
    Assignee: LG Chem, Ltd.
    Inventors: In-Sung Uhm, Je-Young Kim, Jong-Hwa Choi, Suk-In Noh, Dong-Chan Lee
  • Patent number: 10770732
    Abstract: Disclosed is a cable-type secondary battery, including: a winding core; an inner electrode support wound on the outside of the winding core in the form of a spaced spring so that the winding core may be exposed partially; a sheet-type first inner electrode formed on the outside of the exposed winding core by spiral winding; a sheet-type first separation layer formed on the outside of the first inner electrode by spiral winding; a sheet-type second inner electrode formed on the outside of the first separation layer by spiral winding; a second separation layer formed on the outside of the second inner electrode by spiral winding; and an outer electrode formed on the outside of the second separation layer by spiral winding.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: September 8, 2020
    Assignee: LG Chem, Ltd.
    Inventors: In-Sung Uhm, Je-Young Kim, Jong-Hwa Choi, Suk-In Noh, Young-Ji Yuk
  • Patent number: 10763478
    Abstract: The present invention provides a nonaqueous electrolyte secondary battery having high safety to reliably prevent the progress of successive heat generation when battery temperature rises caused by abnormalities such as internal short-circuits. The nonaqueous electrolyte secondary battery disclosed herein is provided with an electrode body 20 in which a sheet-shaped positive electrode 50 and a sheet-shaped negative electrode 60 oppose each other across separators 70. In the nonaqueous electrolyte secondary battery disclosed herein, the peel strength of a boundary A between each separator 70 and a positive electrode mix layer 54 is greater than the peel strength of a boundary B between the positive electrode mix layer 54 and a positive electrode collector 52.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: September 1, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Kunihiko Hayashi
  • Patent number: 10763479
    Abstract: The present invention provides a nonaqueous electrolyte secondary battery having excellent battery characteristics, including a battery separator containing a polyolefin porous film; a positive electrode plate; and a negative electrode plate. The polyolefin porous film has a puncture strength of at least 26.0 gf/g/m2 and satisfies Formula (A), and the positive and negative electrode plates satisfy Formula (B). 0.00?|1?T/M|?0.54??(A) 0.00?|1?T/M|?0.50??(B) T represents a distance by which the polyolefin porous film or positive or negative electrode plate moves in a traverse direction from a starting point to a point where a critical load is obtained in a scratch test under a constant load of 0.1 N, and M represents a distance by which the porous film or positive or negative electrode plate moves in a machine direction from the starting point to the point where the critical load is obtained.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: September 1, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Kosuke Kurakane
  • Patent number: 10763463
    Abstract: Disclosed are a secondary battery and a method for manufacturing the same. According to an embodiment of the present invention, there is provided a secondary battery, including: an exterior material which includes a pouch film and a sealing portion formed at an outer side of the pouch film; and an electrode assembly which includes a plurality of electrode bodies laminated with a separator interposed therebetween and are packaged by the exterior material, wherein a pair of forming portions are formed within the pouch film to house the electrode assembly, and a predetermined interval is formed between the pair of forming portions.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: September 1, 2020
    Assignee: SK INNOVATION CO., LTD.
    Inventor: Hee-Gyoung Kang
  • Patent number: 10763502
    Abstract: A positive active material for a positive electrode of a battery cell which includes a first component containing Li2MnO3, at least a portion of the manganese ions having been replaced by platinum ions and/or chromium ions. A positive electrode of a battery cell which includes a positive material, and a battery cell which includes at least one positive electrode are also described.
    Type: Grant
    Filed: September 5, 2016
    Date of Patent: September 1, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Anika Marusczyk, Thomas Eckl
  • Patent number: 10727465
    Abstract: To provide a novel structure of a separator in a secondary battery. A nonaqueous secondary battery includes a positive electrode, a negative electrode, an electrolyte solution, a first separator, and a second separator. The first separator and the second separator are provided between the positive electrode and the negative electrode. The first separator is provided with a first pore, the second separator is provided with a second pore, and the size of the first pore is different from the size of the second pore. Furthermore, the proportion of the volume of the first pores in the first separator is different from the proportion of the volume of the second pores in the second separator.
    Type: Grant
    Filed: November 11, 2014
    Date of Patent: July 28, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Shunpei Yamazaki
  • Patent number: 10714714
    Abstract: An electrical energy store having a spatially-optimized electrode interconnection. The electrical energy store (1) comprises flat electrodes (3), flags (7) projecting laterally from the electrodes (3), and external terminals (9). A plurality of electrode regions are respectively stacked, one on top of another, to form an electrode stack (14). A plurality of flags (7) are arranged one on top of another in a flag stack (15), and are respectively materially bonded, both mutually and with an associated external terminal (9). The energy store is characterized in that each flag (7) of a plurality of flags (7) in a flag stack (15), which is bonded to the associated external terminal (9), is materially bonded to a respectively adjoining flag (7) in a region in which the flag (7) is oriented in an inclined direction at an angle (?) to the surface (11) of the associated external terminal (9).
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: July 14, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Andreas Russ, Roland Gauch
  • Patent number: 10714729
    Abstract: A core prevents or reduces misalignment of a battery separator wound around the core. The core has one or more grooves in the outer peripheral surface thereof. The grooves extend substantially in the width direction of the core. The grooves have a depth of 30 ?m or greater, and the following condition (1) is satisfied: N/D>0.0025??(1) where D is the outer circumference in mm of the core and N is the number of the grooves in the outer peripheral surface.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: July 14, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Hiroki Hashiwaki
  • Patent number: 10700384
    Abstract: The present invention relates to an electrode assembly including a multi-tab in which tabs are capable of being aligned and a method for manufacturing the same. The method for manufacturing an electrode assembly according to the present invention includes a stacking step of repeatedly stacking a negative electrode, a separator, and a positive electrode so that the separator is stacked between the negative electrode including an electrode tab and the positive electrode including an electrode tab to form an electrode stack, an electrode tab coupling step of coupling the electrode tabs having at least two or more same polarities of the electrode tabs of the electrode stack to each other, and a winding step of winding the electrode stack.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: June 30, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Su Hyun Kim, Ji Hyun Kim
  • Patent number: 10693113
    Abstract: The present application relates to the field of energy storage devices and, in particular, relates to a battery electrode, and a secondary battery using the battery electrode. The battery electrode comprises an electrode tab, a current collector, and a diaphragm attached onto at least one surface of the current collector, wherein the diaphragm is provided with a groove, the electrode tab is embedded into the groove and is electrically connected with the current collector, the electrode tab comprises an embedded portion embedded in the groove and an exposed portion protruded outside the groove; wherein an upper surface of the embedded portion is covered with an active material coating layer. According to the present application, an embedded electrode tab is adopted, and a diaphragm covers a surface of an embedded portion.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: June 23, 2020
    Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
    Inventors: Peipei Guo, Yi Zhao, Ping He, Wenqiang Cheng
  • Patent number: 10693192
    Abstract: The present disclosure provides a wound-type cell which includes: a first electrode plate; a second electrode plate; a separator disposed between the first electrode plate and the second electrode plate; a first electrode tab electrically connected to the first electrode plate; and a second electrode tab electrically connected to the second electrode plate; in which a third winding start end of the separator is positioned at an outer side of a second winding start end of the second electrode plate in a length direction; the third winding start end extends along a direction away from a second end of the second winding start end and the third winding start end is not folded back.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: June 23, 2020
    Assignee: NINGDE AMPEREX TECHNOLOGY LIMITED
    Inventors: Qiao Zeng, Jiacai Cai, Kefei Wang, Yu Luo
  • Patent number: 10686165
    Abstract: An electrode assembly and a secondary battery including the same, the electrode assembly including a plurality of first polar plates, each first polar plate including a first coating portion coated with a first active material, and a bent first non-coated portion; a plurality of second polar plates, each second polar plate including a second coating portion coated as a second active material, and a bent second non-coated portion; and a plurality of separators between the first polar plates and the second polar plates.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: June 16, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Hyunhwa Song, Junwon Suh, Jeong-Doo Yi, Juhee Sohn
  • Patent number: 10686207
    Abstract: To provide a storage battery including a carbon-based material. To provide a graphene compound film having desired ion conductivity and mechanical strength while preventing direct contact between electrodes in a storage battery. To achieve long-term reliability. A lithium-ion storage battery includes a positive electrode, a negative electrode, an exterior body, and a separator between the positive electrode and the negative electrode. In the lithium-ion storage battery, one of the positive electrode and the negative electrode is wrapped in a first film, and the positive electrode, the negative electrode, and the separator are stored in the exterior body. The first film may include a first region in which the first film includes a first functional group. The first film may further include a second region in which the first film includes a second functional group different from the first functional group. The first film may be a graphene compound film.
    Type: Grant
    Filed: June 28, 2016
    Date of Patent: June 16, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Teppei Oguni, Satoshi Seo, Hiroshi Kadoma
  • Patent number: 10686175
    Abstract: A polyolefin microporous membrane is disclosed. The membrane includes a polyolefin resin having an MFR value of not greater than 2.0 g/10 min, and a crystal nucleating agent. The polyolefin microporous membrane has an air permeation resistance scaled to a thickness of 20 ?m of from 100 to 500 sec/100 cc, a porosity of from 20% to 60%, and a mean flow pore size of not greater than 100 nm.
    Type: Grant
    Filed: December 25, 2015
    Date of Patent: June 16, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Toshihiko Kaneda, Go Sato, Koichi Kono
  • Patent number: 10651453
    Abstract: Embodiments of the disclosure provide an electrode assembly including: a jelly roll electrode having a plurality of electrode sheets, the plurality of electrode sheets including an anode sheet, a cathode sheet, and a separator separating the anode sheet from the cathode sheet, an electrolyte disposed between the anode sheet and the cathode sheet of the jelly roll electrode, and a tab projecting from an axial end of the plurality of electrode sheets, the tab including a subsection of the plurality of electrode sheets contacting each other at an axial end of the jelly roll electrode; and a first conductive tab coupled to the tab of the electrode assembly, wherein the first conductive tab is configured to electrically couple the electrode assembly to a battery terminal.
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: May 12, 2020
    Assignee: Custom Electronics, Inc.
    Inventor: Duncan Culver
  • Patent number: 10644296
    Abstract: An energy storage device includes a positive electrode terminal, a first electrode body and a second electrode body, and a positive electrode current collector electrically connecting the positive electrode terminal and the first and second electrode bodies. The positive electrode current collector includes a terminal connection portion electrically connected to the positive electrode terminal, inner electrode body connection portions connected to the first and second electrode bodies, and a coupling portion extending from an end of the terminal connection portion and coupling the terminal connection portion and the inner electrode body connection portions. The coupling portion has a substantially trapezoidal shape with a width at a connection end with the end of the terminal connection portion being larger than a width at a connection end with the inner electrode body connection portions.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: May 5, 2020
    Assignee: GS Yuasa International Ltd.
    Inventors: Tomonori Kishimoto, Noriyoshi Munenaga
  • Patent number: 10644285
    Abstract: The present invention relates to a secondary battery that is capable of preventing corrosion within the battery from occurring. Also, the secondary battery according to the present invention includes an electrode assembly provided with an electrode tab, a can member accommodating the electrode assembly and comprising a vent part for discharging a gas when internal pressure increases, and a protection member preventing the electrode tab and the vent part from coming into contact with each other.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: May 5, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Kwan Soo Lee, Duk Hyun Ryu
  • Patent number: 10615400
    Abstract: A battery includes a housing, at least one individual cell arranged in the housing and including at least one positive electrode and at least one negative electrode, a positive pole stud passed through the housing and electrically connected to the at least one positive electrode and/or a negative pole stud passed through the housing and electrically connected to the at least one negative electrode, at least one electrical switch which can be pneumatically operated and changes its switching state in the event of an increase in pressure within the housing beyond a threshold value and thereby interrupts the electrical connection between at least one of the pole studs and an associated at least one electrode, and a resetting device with which an electrical connection which is interrupted as a result of a change in the switching state can be re-established without the housing having to be opened.
    Type: Grant
    Filed: April 24, 2014
    Date of Patent: April 7, 2020
    Assignees: VW Kraftwerk GmbH, VARTA Microbattery GmbH
    Inventors: Andreas Gaugler, Konrad Holl, Stefan Stock, Werner Schreiber
  • Patent number: 10615426
    Abstract: In a winding-type battery, the first electrode and the second electrode are wound via the separator to form an electrode group having first and second end surfaces. The first electrode includes a first current collector sheet, and a first active material layer formed on a surface of the first current collector sheet. A first current collecting lead is connected to the first electrode. The second electrode includes a second current collector sheet, and a second active material layer formed on a surface of the second current collector sheet. A second current collecting lead is connected to the second electrode. At an end of the first electrode that is disposed on the first end surface and/or an end of the first electrode that is disposed on the second end surface, at least a winding termination portion located on the outermost periphery of the electrode group has a notch.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: April 7, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yuki Suehiro, Seiichi Aoki, Yasuhiro Suzuki, Katsuhisa Wadasaki
  • Patent number: 10593955
    Abstract: A method for producing an electrode having an electrically conductive current collector layer having a terminal region for connection to an electrical power circuit, in which to improve the electrical discharge via the terminal region, the current collector layer has at least one structural element having an electrical conductivity that is increased compared to the current collector layer, through which structural element the electrical resistance between a point on the current collector layer and the terminal region is reduced, the method including: providing at least one free-standing active material foil; providing an electrically conductive layer on at least one surface of the active material foil, the electrically conductive layer being formed immediately on the surface of the active material foil to form the current collector layer; and connecting an electrical terminal region to the electrically conductive layer to enable connection to an electrical power circuit.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: March 17, 2020
    Assignee: Robert Bosch GmbH
    Inventor: Harald Bauer
  • Patent number: 10573903
    Abstract: In a winding-type battery, the first electrode and the second electrode are wound via the separator to form an electrode group having first and second end surfaces. The first electrode includes a first current collector sheet, and a first active material layer formed on a surface of the first current collector sheet. A first current collecting lead is connected to the first electrode. The second electrode includes a second current collector sheet, and a second active material layer formed on a surface of the second current collector sheet. A second current collecting lead is connected to the second electrode. At an end of the first electrode that is disposed on the first end surface and/or an end of the first electrode that is disposed on the second end surface, at least a winding termination portion located on the outermost periphery of the electrode group has a notch.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: February 25, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yuki Suehiro, Seiichi Aoki, Yasuhiro Suzuki, Katsuhisa Wadasaki
  • Patent number: 10566598
    Abstract: A winding-type battery includes an electrode group that is formed by winding a first electrode and a second electrode via a separator and has a first end surface and a second end surface. The first electrode includes a first current collector sheet, and a first active material layer formed on its surface. The second electrode includes a second current collector sheet, and a second active material layer formed on its surface. The first current collector sheet includes, at its end disposed on the first end surface of the electrode group, a first uncoated portion having no first active material layer on either surface thereof. An edge surface of the first uncoated portion is at least partially covered with an insulating layer, and an end of the insulating layer projects more than an end of the separator on the first end surface.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: February 18, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yasutaka Kogetsu, Sadayuki Okazaki, Katsuhisa Wadasaki, Yuki Suehiro
  • Patent number: 10566604
    Abstract: The present disclosure relates to a method for manufacturing an electrode assembly for an electrochemical device. More particularly, the present disclosure relates to a method for manufacturing a curved electrode assembly having a curve with a uniform curvature radius. According to the present disclosure, as the curved electrode assembly is manufactured by stacking a plurality of curved unit cells having a uniform curvature radius, restoration to the original shape is low and shape stability is high as compared to an electrode assembly manufactured by bending a flat electrode assembly. In addition, as unit cells included in an electrode assembly are produced to have a curve by a roll lamination process under a uniform condition and they have the same curvature radius or a small difference in curvature radius, it is possible to easily manufacture an electrode assembly having a desired curvature radius without excessive deformation of the unit cells.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: February 18, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Soon-Hyung Choi, Jung-Seok Choi
  • Patent number: 10559790
    Abstract: The present invention relates to a lithium ion secondary battery, and more particularly, to a lithium ion secondary battery which makes the best use of an accommodating space in electronic apparatus in which a secondary battery is accommodated or mounted to maximize a performance of the battery. A secondary battery includes an electrode assembly in which a plurality of pocketing anode bodies and a plurality of cathode bodies are alternately stacked, in which a concavely recessed space is formed in the electrode assembly, and the space may be formed in the plurality of pocketing anode bodies and the plurality of cathode bodies excluding a cathode body disposed at the lowest end of the electrode assembly.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: February 11, 2020
    Assignee: ROUTE JADE INC.
    Inventors: Ji Jun Hong, In Joong Kim, Kyung Joon Kim, Young Ho Jung, Young Hun Jin, Taek Joo Jung
  • Patent number: 10547043
    Abstract: A battery assembly includes a first battery cell including a first terminal, a bus bar connected to the first terminal, and a first weld bead for securing the bus bar to the first terminal. The first weld bead includes a first end portion extending continuously to a second end portion and configured such that the first end portion faces in a direction toward the second end portion.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: January 28, 2020
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Yunan Guo, Yongcai Wang
  • Patent number: 10541389
    Abstract: A battery is provided. The battery includes a power generation element having a through hole; and a cylindrical can housing the power generation element and having at least one thin wall part on a circumferential surface of the cylindrical can. A ratio of a hole diameter of the through hole to an outer diameter of the power generation element is 17% or less. The thin wall part is provided in one or both of regions in a range from 0% to 30% and a range from 70% to 100% from one end of the circumferential surface.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: January 21, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Mitsuhiro Ue, Yoshihiro Dokko, Takaaki Matsui
  • Patent number: 10529990
    Abstract: A power storage device with high capacity or high energy density is provided. A highly reliable power storage device is provided. A long-life power storage device is provided. An electrode includes an active material, a first binder, and a second binder. The specific surface area of the active material is S [m2/g]. The weight of the active material, the weight of the first binder, and the weight of the second binder are a, b, and c, respectively. The solution of {(b+c)/(a+b+c)}×100÷S is 0.3 or more. The electrode includes a first film in contact with the active material. The first film preferably includes a region in contact with the active material. The first film preferably includes a region with a thickness of 2 nm or more and 20 nm or less. The first film contains a water-soluble polymer.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: January 7, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Kai Kimura, Kazutaka Kuriki, Teppei Oguni, Aya Uchida
  • Patent number: 10529958
    Abstract: A battery packaging material of a first aspect identifiable from the outside has exceptional moldability, insulating properties, and reduced external appearance defects and seal defects. A battery packaging material of the second aspect identifiable has post-molding concealment and adhesion properties, exceptional electrolyte resistance and surface insulating properties. The battery packaging material of the first aspect includes a laminate of at least a base material, adhesive, metal and sealant layers sequentially laminated, at least one of the base material and adhesive layers includes a dye. The battery packaging material of the second aspect includes a laminate of at least a decorative, base material, metal and sealant layers sequentially laminated; the decorative layer has at least a first and second decorative layers from the base material layer side. The decorative layer includes coloring and matting agents. The resin ratio is at least 60% by mass for the first and second decorative layers.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: January 7, 2020
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Shunsuke Ueda, Rikiya Yamashita, Yohei Hashimoto, Yaichiro Hori
  • Patent number: 10525786
    Abstract: A battery temperature control device comprises: a battery including a battery cell; and a thermally conductive member having one end portion thermally connected to the battery, wherein another end portion of the thermally conductive member is thermally connected to a fin of a condenser and/or an evaporator, and the fin of the condenser and/or the evaporator is disposed at a passage through which a fluid flows and the passage is brandied into a plurality of paths at a position downstream of the fin of the condenser and/or the evaporator in a direction of a flow of the fluid.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: January 7, 2020
    Assignees: Furukawa Electric Co., Ltd., Furukawa Automotive Systems Inc.
    Inventors: Takeshi Hirasawa, Masami Ikeda
  • Patent number: 10522811
    Abstract: The present invention relates to an electrochemical cell, comprising: an anode in contact with an anode current collector, a cathode in contact with a cathode current collector, a separator disposed between the anode and the cathode, wherein the anode is disposed between the separator and the anode current collector and wherein the cathode is disposed between the separator and the cathode current collector, wherein the anode current collector and the cathode current collector form an encapsulating housing for the assembly of anode, cathode and separator.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: December 31, 2019
    Assignee: The Swatch Group Research and Development Ltd
    Inventors: Michael Stalder, Fredy Zuellig, Pascal Heck, Kurosh Sohi, Yves Leterrier, Jericho Lynn Moll, Jean-Baptiste Leran, Jan-Anders Manson
  • Patent number: 10522856
    Abstract: An electrode comprising galvanic membranes having a thickness defined by an average length of vectors normal to a membrane first surface and extending to where said vectors intersect a membrane uncompressed second surface; a non-porous metal sheet having first and second surfaces; a non-porous dielectric sheet having first and second surfaces; square weave metal wire screens having a wire diameter slightly greater than one half the at least one galvanic membrane thickness dimension; wherein, at least one galvanic membrane is adjacent the metal wire screen on the at least one galvanic membrane first and second surfaces in a stack of membranes and screens; the metal wire screen is adjacent the first surface of the non-porous dielectric sheet; the second surfaces of non-porous metal sheets have a sustained pressure of at least 7 million Pascal; and; the metal wire screen is collectively in incompressible vertical alignment with another metal wire screen.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: December 31, 2019
    Assignee: Global Energy Science, LLC
    Inventor: Halbert P. Fischel
  • Patent number: 10516152
    Abstract: An energy storage device includes: an electrode assembly; and a container for housing the electrode assembly, wherein an electrolyte solution filling opening from which electrolyte solution is to be filled into the container is formed in a position of a wall portion of the container and facing a tab portion of the electrode assembly.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: December 24, 2019
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventor: Kenji Kawate
  • Patent number: 10516188
    Abstract: Provided is a lithium ion battery including a wound electrode body, in which a negative electrode active material layer 24 of the lithium ion battery is formed to be wider than a positive electrode active material layer 14 and has a facing portion 24c which faces the positive electrode active material layer 14 and a non-facing portions 24n which do not face the positive electrode active material layer 14. In a facing center region 24a of the facing portion 24c excluding regions 24b adjacent to the non-facing portion, plural straight measurement lines are set in a region ranging from one end portion to another end portion in the width direction. When the resistance of each measurement line is measured, in all the measurement lines, a highest resistance point is present in a length region of less than 15% from a center C0 of the facing center region 24a.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: December 24, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Yusuke Onoda
  • Patent number: 10511063
    Abstract: Provided is a negative electrode plate in an electrode assembly of an energy storage device. The negative electrode plate includes: a negative base material layer; and negative active material layers formed on the negative base material layer in a state where the negative active material layers are exposed partially or wholly, wherein a peripheral edge portion of the negative electrode plate includes: a layer-non-formed portion that is disposed on a first side of the negative electrode plate, which is connected to a negative electrode current collector of the energy storage device and on which the negative active material layers are not formed; and a layer-non-exposed portion that is disposed on a second side of the negative electrode plate, which differs from the first side and on which the negative active material layers are not exposed.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: December 17, 2019
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventor: Takeshi Sasaki
  • Patent number: 10511007
    Abstract: A nonaqueous electrolyte secondary battery including a positive electrode collector electrically connected to a positive electrode plate, a negative electrode collector electrically connected to a negative electrode plate. At least one of the collectors includes a first-side base portion disposed near the sealing plate, and a first-side lead portion connected to one end portion of the first-side base portion and extending towards an electrode body. The first-side lead portion includes a first-side power generating element joining portion joined to a lateral side of the electrode body, and a first-side inclined portion inclined with respect to a thickness direction of the electrode body from the first-side power generating element joining portion towards an outer side in the thickness direction. A total weight of the electrode body and nonaqueous electrolyte contained in the electrode body ranges from 200 g or more to 500 g or less.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: December 17, 2019
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Masashi Muraoka, Tomoharu Arai, Tetsuya Okado, Shingo Tode, Toyoki Fujihara
  • Patent number: 10505217
    Abstract: A rechargeable battery includes an electrode assembly including a first electrode and a second electrode, a case accommodating the electrode assembly, a cap assembly sealing the case, and a fixing member in the case, the fixing member having a central portion overlapping the electrode assembly, and a wing extending outside of the electrode assembly based on the central portion, one surface of the wing being attached to an inner surface of the case.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: December 10, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Byung-Ho Lim, Seok Gyun Park, Junsung Ahn
  • Patent number: 10505215
    Abstract: There is provided a method of manufacturing a non-aqueous electrolyte secondary battery equipped with a wound electrode body that is formed by laminating and winding a positive electrode, a negative electrode, and a separator. This method includes preparing the wound electrode body including an uncoated portion of positive electrode active material layers and an uncoated portion of negative electrode active material layers, and not forming the positive electrode active material layers on at least a surface of a positive electrode current collector on a winding outer peripheral side thereof in a region that includes at least an outermost periphery of the positive electrode; structuring the secondary battery by accommodating the wound electrode body in a battery case; and subjecting the secondary battery to an aging treatment in which the secondary battery is retained within a temperature range that is equal to or higher than 60° C.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: December 10, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki Kondo, Hideki Sano
  • Patent number: 10505232
    Abstract: A rolled-electrode battery cell includes multiple, stacked electrode rolls that are stacked along a stacking axis. Each of the electrode rolls has its electrode tabs bonded to an end of the electrodes, so that the electrode tabs extend from the ends of the electrodes along the winding direction of the electrodes. The stacked electrode rolls are bent around respective bending axes that are parallel to their winding axes, and perpendicular to the stacking axis and the winding direction of the electrodes.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: December 10, 2019
    Assignee: Microsoft Licensing Technology, LLC
    Inventors: Dongli Zeng, Vijayasekaran Boovaragavan, John Christopher Collins, Tzu-Yuan Lin, Michael Nikkhoo
  • Patent number: 10497941
    Abstract: The invention relates to a device for a lithium electrochemical generator, having an elongate shape along a longitudinal axis (X), comprising a strip comprising a current collector central portion that is at least partially electrically conductive, in which at least one of the two main surfaces is covered with an electrode consisting of a lithium insertion material, and at least two side peripheral portions connected to the central portion and extending transversely to the longitudinal axis, the side peripheral portions being made of an electrically insulating material comprising at least one polymer, the insulating material of at least one of the two side portions being resiliently or plastically deformable, the dimensions of the latter also being determined such as to allow the deformation thereof without breaking during the winding of the strip about a winding axis, which is transverse to the axis (X) and adjacent to the other one of the two side peripheral portions.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: December 3, 2019
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Marianne Chami, Yvan Reynier
  • Patent number: 10481456
    Abstract: An energy storage device includes a cathodic material in an activated state; and an anodic material in an activated state; wherein: the cathodic material is a viologen covalently attached to, or confined within, a first polymer matrix, the first polymer matrix is configured to prevent or minimize substantial diffusion of the cathodic material in the activated state; and the anodic material is a phenazine, a phenothiazine, a triphenodithiazine, a carbazole, a indolocarbazole, a biscarbazole, or a ferrocene covalently attached to, or confined within, a second polymer matrix, the second polymer matrix is configured to prevent or minimize substantial diffusion of the anodic material in the activated state.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: November 19, 2019
    Assignee: GENTEX CORPORATION
    Inventors: David A. Theiste, Leroy J. Kloeppner, Sue F. Franz, Punam Giri, Rongguang Lin
  • Patent number: 10461310
    Abstract: A manufacturing method for a non-aqueous electrolyte secondary battery includes: forming a powder; forming a sheet-like green compact; and forming a heat-resistant layer. The powder contains composite particles and a solvent. The composite particles contain inorganic filler particles and a binder. The green compact is formed by pressing the powder in a state in which the solvent remains. The heat-resistant layer is formed by disposing the green compact on a surface of at least any of a positive electrode mixture layer and a negative electrode mixture layer after the green compact is formed.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: October 29, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroya Umeyama, Yusuke Fukumoto, Naoyuki Wada, Yuji Yokoyama, Tatsuya Hashimoto, Naoto Onodera
  • Patent number: 10446807
    Abstract: A secondary battery includes: an electrode assembly, a case accommodating the electrode assembly, and an electrode tab electrically connected to the electrode assembly and extending from inside of the electrode assembly to outside of the case. The electrode tab has different thicknesses at the inside of the electrode assembly and the outside of the electrode assembly.
    Type: Grant
    Filed: September 7, 2016
    Date of Patent: October 15, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seunghee Park, Jeawoan Lee, Youngchang Lim, Soomi Eo, Jaemin Lim, Kyunghoon Cho, Euysun Jung, Kwonchul Kim, Kyung Kim
  • Patent number: 10446876
    Abstract: Energy storage devices, battery cells, and batteries of the present technology may include a housing characterized by a first end and a second end opposite the first end. The housing may include a circumferential indentation proximate the first end. The housing may define a first interior region between the first end and the circumferential indentation, and the housing may define a second interior region between the circumferential indentation and the second end. The batteries may include a set of electrodes located within the housing. The set of electrodes may be positioned within the second interior region of the housing. The batteries may include a cap at least partially contained within the first interior region of the housing. The batteries may also include a first insulator positioned within the housing. The first insulator may extend across the circumferential indentation from the cap to the set of electrodes.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: October 15, 2019
    Assignee: Apple Inc.
    Inventors: Christopher R. Pasma, YooEup Hyung, Brian K. Shiu, Stephen J. Wisler