Cylindrical Unit Cell Type, E.g., Cup Container Electrode, Tubular Electrode, Casing, Etc. Patents (Class 429/164)
  • Patent number: 11223069
    Abstract: A surface-treated steel sheet for battery cases is provided which comprises a nickel-cobalt alloy layer formed at the outermost surface of a plane to be an inner surface of a battery case, wherein a Co/Ni value at the surface of the nickel-cobalt alloy layer is within a range of 0.1 to 1.5 as determined by Auger electron spectroscopy analysis.
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: January 11, 2022
    Assignee: TOYO KOHAN CO., LTD.
    Inventors: Tatsuo Tomomori, Eiji Yamane, Shinichirou Horie, Koh Yoshioka
  • Patent number: 11171375
    Abstract: A pouched energy storage device can include a cell housing portion and a sealed portion. The device can also include a stack of electrodes housed within an inner region of the cell housing portion. Each electrode can have dimensions of width, length, and thickness. One or more electrodes can have at least one of the dimensions smaller than a corresponding dimension of other electrodes in the stack of electrodes. The device can also include an indentation on the cell housing portion adjacent the sealed portion. The indentation can form a stepped region in the inner region that is complimentary to the one or more electrodes having at least one of the dimensions smaller than a corresponding dimension of other electrodes in the stack of electrodes. The sealed portion can be folded onto the cell housing portion so that at least a part of the sealed portion resides in the indentation.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: November 9, 2021
    Assignee: Enevate Corporation
    Inventor: Benjamin Yong Park
  • Patent number: 11139540
    Abstract: The present disclosure relates to a battery module and a battery pack. The battery module comprises two or more secondary batteries arranged side by side in a first direction, each of which includes a case, an electrode assembly and a closing portion, wherein the case has a receiving hole comprising an opening and extending in a second direction, and the first direction intersects with the second direction, wherein the closing portion is sealingly connected with the case to close the opening, the electrode assembly is disposed in the receiving hole and includes two or more electrode units, the electrode unit includes a first electrode plate, a second electrode plate and a separator, and the two or more electrode units are stacked in the second direction.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: October 5, 2021
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Haizu Jin, Dongyang Shi, Zhenhua Li, Xingdi Chen, Ning Chen, Fei Hu
  • Patent number: 11121396
    Abstract: An electrode includes one or more intermediate layers positioned between a substrate and an electrochemically active material. Intermediate layers may be made from chromium, titanium, tantalum, tungsten, nickel, molybdenum, lithium, as well as other materials and their combinations. In certain embodiments, an active material includes one or more high capacity active materials, such as silicon, tin, and germanium. These materials tend to swell during cycling and may loose mechanical and/or electrical connection to the substrate. A flexible intermediate layer may compensate for swelling and provide a robust adhesion interface. Methods of fabricating electrodes involve forming metal silicide nanostructures.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: September 14, 2021
    Assignee: Amprius, Inc.
    Inventors: William S. Delhagen, Rainer J. Fasching, Ghyrn E. Loveness, Song Han, Eugene M. Berdichevsky, Constantin Ionel Stefan, Yi Cui, Mark C. Platshon
  • Patent number: 11094987
    Abstract: Disclosed is a battery pack, which includes a battery module having a plurality of battery cells; a pack housing configured to accommodate the battery module; and a flexible rib formed at an inner side of the pack housing and having elasticity, the flexible rib pressing the battery module in contact with the battery module.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: August 17, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Hyun-Chul Choi, Jun-Kyu Park, Jun-Yeob Seong
  • Patent number: 11088425
    Abstract: An energy storage device includes: an electrode assembly; a case configured to store the electrode assembly; a conductive member electrically connected to the electrode assembly; a first insulating member disposed between a wall of the case and the conductive member; and a projection protrudingly provided on the wall on an opposite side to the first insulating member, wherein the first insulating member has a first engaging portion configured to engage with a limiting portion, the limiting portion being a portion of a recess formed on the wall on an opposite side to the projection.
    Type: Grant
    Filed: May 10, 2016
    Date of Patent: August 10, 2021
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventor: Riku Aikata
  • Patent number: 11031646
    Abstract: The present disclosure provides a cylinder type battery cell manufacturing apparatus which is an apparatus configured to form a crimping portion on a cap assembly coupling portion of a cylinder type battery cell, the manufacturing apparatus including: a primary crimping mold configured to apply a primary pressure so that an open upper end portion of a cylinder type metal can forms an inclination inclined to a central axis of the metal can on a vertical section in a state in which a cap assembly is coupled to the open upper portion of the cylinder type metal can; and a secondary crimping mold configured to apply a secondary pressure to the open upper end portion in which the inclination is formed so that a flat section parallel to a lower surface of the metal can is formed in the crimping portion.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: June 8, 2021
    Inventors: Tae Hyun Kwon, Hae Jin Lim, Hyeon Soo Sim, Ha Young Heo, Joo Hwan Sung, Hyoung Kwon Kim, Duk Hyun Ryu
  • Patent number: 11018398
    Abstract: The invention relates, inter alia, to an assembly for fastening an upper shell or a lid to a lower shell of a battery housing, said assembly having at least one fastening element, by means of which the upper shell or the lid is or can be frictionally connected to the lower shell in the region of contact flanges, which correspond with each other and are laid one over the other. The at least one fastening element is formed by a rail element that has a U-profile-shaped cross-section at least in some sections which rail element has a web and an upper and a lower flange and is or can be slid onto the contact flanges from the end edges of the contact flanges, which are laid one over the other, and is or can be at least frictionally connected to the contact flanges as a result of a subsequent movement in the longitudinal direction of the contact flanges.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: May 25, 2021
    Assignee: VOLKSWAGEN AKTIENGESELLSCHAFT
    Inventors: Lutz Schröder, Daniel Weidemann, Sandra Hettwer, Oliver Rauls
  • Patent number: 10991932
    Abstract: A rolling device for an electrode including an all-solid electrolyte layer, the rolling device including: a first roller including a plurality of first protrusions protruding from a surface of the first roller; and a second roller opposite the first roller, wherein the second roller comprises a plurality of second protrusions on a surface of the second roller.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: April 27, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Jirae Kim, Hyorang Kang, Youngeal Kim
  • Patent number: 10916809
    Abstract: A lithium secondary battery includes a wound electrode group and a lithium-ion conductive nonaqueous electrolyte. The wound electrode group includes a positive electrode, a negative electrode, and a separator between the positive electrode and the negative electrode. The negative electrode includes a negative electrode current collector. The negative electrode current collector includes: a layer having a first surface facing outward of the winding of the electrode group and a second surface facing inward of the winding of the electrode group; first protrusions protruding from the first surface; and second protrusions protruding from the second surface. Lithium metal is deposited on the first surface and the second surface by charging. A second average height of the second protrusions is higher than a first average height of the first protrusions.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: February 9, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Akira Kano, Ryohei Miyamae, Kiyohiro Isii, Junichi Sakamoto
  • Patent number: 10873061
    Abstract: A nickel-plated heat-treated steel sheet for a battery can, having a nickel layer with a nickel amount of 4.4 to 26.7 g/m2 on a steel sheet. When the Fe intensity and the Ni intensity are continuously measured along the depth direction from the surface of the nickel-plated heat-treated steel sheet for a battery can, by using a high frequency glow discharge optical emission spectrometric analyzer, the difference between the depth at which the Fe intensity exhibits a first predetermined value and the depth at which the Ni intensity exhibits a second predetermined value is less than 0.04 ?m.
    Type: Grant
    Filed: December 5, 2016
    Date of Patent: December 22, 2020
    Assignee: Toyo Kohan Co., Ltd.
    Inventors: Kota Sadaki, Koh Yoshioka
  • Patent number: 10868302
    Abstract: Disclosed is a lithium secondary battery capable of preventing the battery life from being reduced. The lithium secondary battery includes a cathode, an anode including silicon, a separator positioned between the cathode and the anode, and an electrolyte including flouoroethylene carbonate (FEC), wherein a weight ratio of the silicon to the FEC is about 0.4 to about 0.8.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: December 15, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: SangJin Park, Seung-Min Oh, SungHoon Lim, Seyoung Lee, Shinkook Kong, Jung Young Cho
  • Patent number: 10833297
    Abstract: A jelly roll tape for a rechargeable battery and a rechargeable battery having the same are disclosed. In one aspect, the jelly roll tape includes a first adhesive layer configured to develop an adhesive property based at least in part on a reaction with an electrolytic solution and a second adhesive layer formed on at least one surface of the first adhesive layer. The second adhesive layer is formed at least partially of a rubber-based material.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: November 10, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jeongchull Ahn, Seongja Noh
  • Patent number: 10811822
    Abstract: A service plug includes a body portion including a pair of power bus bars that are connected to a power supply circuit by being connected to a first terminal of a connector, a switching lever portion including an interlock terminal that brings the power supply circuit into a closed state when being in a state of conduction with a second terminal of the connector, and brings the power supply circuit into an open state when being in a state of non-conduction with the second terminal of the connector, and a power interruption portion that brings the interlock terminal 32 of the switching lever portion into a state of non-conduction with the second terminal to bring the power supply circuit into an open state by using an actuator that is operated in accordance with a collision detection signal for a vehicle.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: October 20, 2020
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LIMITED, SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Yuta Kitahara, Hirotaka Baba
  • Patent number: 10749149
    Abstract: Arrangements for retaining coiled battery internals in a coiled orientation within a cell casing, in which end caps and/or sleeves are provided with at least one inward-facing protuberance for engaging and securing the coiled battery internals, and means for securing and aligning pouch cell batteries within a sleeve.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: August 18, 2020
    Assignee: Evolution Engineering Inc.
    Inventors: Justin Christopher Logan, Aaron William Logan
  • Patent number: 10608251
    Abstract: The present disclosure relates to a positive electrode active material which reduces lithium by-products and improves structural stability and includes a lithium-nickel based transition metal composite oxide in which an alkaline earth metal having oxidation number of +2 is doped and a phosphate coated layer formed on the outer surface of the composite oxide. Accordingly, a second battery including the positive electrode active material has excellent capacity characteristics, and also improves structural stability during charging/discharging and prevents swelling, thereby being capable of exhibiting excellent life characteristics. Therefore, the present invention may be easily applied to industry in need thereof, and particularly to electric vehicles industry requiring high capacity and long-term life characteristics.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: March 31, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Jin Hyung Lim, Ho Suk Shin, Dong Hun Lee, Hyun Jin Oh, Joo Hong Jin, Wang Mo Jung
  • Patent number: 10593912
    Abstract: A battery pack is provided. The battery pack including a plurality of battery cells; a cell holder including a peripheral wall and a plurality of cell storage units; and a plurality of ribs integrally molded with the cell holder between the peripheral wall of the cell holder and the cell storage unit.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: March 17, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Hiroshi Kano
  • Patent number: 10586961
    Abstract: A battery module having a plurality of battery cells is described. The battery module includes a head unit with corresponding conical positive and negative terminals that allow additional battery modules to mate together and be electrically coupled in an end-to-end relationship. A plurality of battery modules can be combined together into rows of modules that are the electrically coupled to form a multi-modular battery system. The multi-modular battery system uses interchangeable individual battery modules for ease of replacement. Battery modules of a multi-modular battery system can communicate with each other using optical communication methods, including via line-of-sight and/or optical cables.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: March 10, 2020
    Assignee: Artisan Vehicle Systems Inc.
    Inventor: Brian R. Huff
  • Patent number: 10577697
    Abstract: An enhanced anode includes a modulated body which improves anode current output efficiency by maximizing the surface area to increase surface area to weight ratio. A toroidally modulated embodiment of the enhanced anode enlarges surface area by 48 percent increasing current output efficiency by 48 percent, only increases weight by three percent, and improves surface/weight ratio 44 percent, compared to know cylindrical anodes. The enhanced anode is preferably made from cast iron or other suitable materials (e.g. magnesium, zinc, aluminum) as well, and the design of the improved anode is applicable to galvanic cast anodes in general. The enhanced anode is suitable for molding and casting and does not increase production costs.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: March 3, 2020
    Inventor: Omidreza Moghbeli
  • Patent number: 10483531
    Abstract: Proposed is a novel negative electrode for nonaqueous electrolyte secondary batteries in which the battery capacity does not decrease even when charging and discharging are repeated. Proposed is a silicon-containing negative electrode active material for nonaqueous electrolyte secondary batteries, comprising negative electrode active material particles which are provided with a surface layer containing carbon and titanium or aluminum on the entirety or a portion of the surface of the active material.
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: November 19, 2019
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Daisuke Inoue, Yanko Marinov Todorov, Shinya Kagei
  • Patent number: 10446802
    Abstract: A curved secondary battery and a method of manufacturing the same, the curved secondary battery including an electrode assembly having a curved shape; and a pouch that accommodates the electrode assembly, wherein the pouch includes a first encapsulation sheet on a curved first surface of the electrode assembly, the first encapsulation sheet having a portion with a same curvature as the first surface; a second encapsulation sheet on a curved second surface of the electrode assembly, the second encapsulation sheet having a portion with a same curvature as the second surface; and an attaching portion that has a planar shape, the attaching portion being formed when a first boundary portion of the first encapsulation sheet and a second boundary portion of the second encapsulation sheet are attached to each other.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: In-Seop Byun, Junhee Han
  • Patent number: 10411311
    Abstract: A product may include a battery pack, and a housing may receive the battery pack. The housing may comprise a plastic containing an additive that is electrically insulating and that has a greater thermal conductivity than the plastic.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: September 10, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Chih-Cheng Hsu, Alexander M. Bilinski, Pablo Valencia, Jr.
  • Patent number: 10411242
    Abstract: A secondary battery includes an electrode assembly including a first electrode, a separator, and a second electrode, sequentially stacked and wound. The secondary battery further includes a series of first electrode tabs electrically connected to the first electrode and extending to an outside of the electrode assembly. The series of first electrode tabs includes inner and outer tabs respectively located proximate to and distal to the center axis of the electrode assembly. The outer tab is connected to the inner tab at the outside of the electrode assembly. A length along the inner tab from a point where the inner tab extends from the electrode assembly to a point where the inner tab is connected to the outer tab is different from a length along the outer tab from a point where the outer tab extends from the electrode assembly to a point where the outer tab is connected to the inner tab.
    Type: Grant
    Filed: January 6, 2016
    Date of Patent: September 10, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae Gyun Doo, Hyun Ki Jung
  • Patent number: 10333168
    Abstract: A carbon dioxide composite getter comprising a CO2-permeable envelope containing powders of two active materials and sealed systems employing the carbon dioxide composite getter.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: June 25, 2019
    Assignee: SAES GETTERS S.P.A.
    Inventors: Antonio Bonucci, Alessandra Fernicola, Marco Visconti
  • Patent number: 10333120
    Abstract: A secondary battery includes: a cylindrical can including a first region, a second region, and a first bent portion extending between the first region and the second region on a circumferential surface of the can; an electrode assembly accommodated in the can; and a cap assembly at a top end of the can and sealing the can. The first bent portion is bent such that an angle between the first region and the second region is in a range of about 90° to about 100°; the first region of the can partially covers a top surface of the cap assembly facing an exterior side of the can, and the second region of the can surrounds side surfaces of the cap assembly.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: June 25, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sanghyo Lee, Wonil Jung, Sunhyung Kim, Mirae Im, Minsic Kim, Gyeonghwan Lee
  • Patent number: 10230106
    Abstract: The present disclosure provides a cathode active material comprising: lithium transition metal oxide-based particles; and a titanium dioxide coating layer formed on a part or a whole of a surface of the particle, in which the titanium dioxide coating layer is a partially reduced TiO2?x (0<x<2), a preparation method thereof, and a lithium secondary battery including the cathode active material. The cathode active material of the present disclosure may significantly improve electrochemical properties of an electrochemical device including the cathode active material, preferably a lithium secondary battery by decomposing lithium-containing impurities remaining on the surface of the cathode active material by a partially reduced titanium dioxide coating layer formed on the surface of the cathode active material and enhancing the electrical conductivity of the cathode active material.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: March 12, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Ki Joo Hong, Hyeon Hui Baek, Dong Kyu Yun, Chang Joo Han
  • Patent number: 10115940
    Abstract: A rechargeable battery includes a cap plate which closes and seals an opening of a case. The cap plate includes a welded portion, an adhesive portion, and a separated portion. The welded portion is welded to the opening of the case. The adhesive portion is recessed in the welded portion by a thickness of the case, and is thicker than the welded portion to protrude inward. A lateral surface contacts an inner surface of the opening. The separated portion is connected to the adhesive portion, is further recessed in a thickness direction of the case, and is separated from the inner surface of the opening.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: October 30, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Chi-Young Lee, Myung-Jae Jang
  • Patent number: 10090494
    Abstract: A traction battery assembly may include an array of battery cells having opposing end faces, opposing side faces, and a bottom face. The assembly may also include a pair of end plates and a pair of side plates arranged to form a four-sided enclosure around the end and side faces and configured to compress and retain the cells without being mechanically attached thereto or covering the bottom face. The side plates may partially cover an upper portion of the array. The side plates may have a lower horizontal edge, an upper horizontal edge, and at least one diagonal reinforcement rib configured to extend from a location where the vertical edge and lower horizontal edge meet upward to the upper horizontal edge.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: October 2, 2018
    Assignee: Ford Global Technologies, LLC
    Inventors: Brian Utley, Patrick Daniel Maguire
  • Patent number: 10079390
    Abstract: According to one embodiment, a secondary battery is provided. The secondary battery includes a positive electrode, a negative electrode, and an electrolyte solution. The negative electrode includes a negative electrode current collector including elemental zinc, and a negative electrode layer disposed on the negative electrode current collector. The negative electrode layer includes a negative electrode active material including at least one compound selected from the group consisting of an oxide of titanium, a lithium-titanium oxide, and a lithium-titanium composite oxide. The electrolyte solution includes an aqueous solvent and an electrolyte.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: September 18, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Shinsuke Matsuno, Norio Takami, Yasunobu Yamashita, Hiroki Inagaki
  • Patent number: 10069172
    Abstract: In a spirally-wound electrode, in a first region, short sides of first and second separator sheets on an inner side are aligned with each other. In a second region, a negative electrode sheet, the first separator sheet, a positive electrode sheet, and the second separator sheet are arranged from an inner side toward an outer side in a radial direction. The second region extends from a position where short sides of the negative and positive electrode sheets on the inner side are aligned with each other in a same phase to a short side of the positive electrode sheet on an outer side. In a third region, the negative electrode sheet, and the first and second separator sheets are arranged from the inner side toward the outer side in the radial direction. The third region extends to a short side of the negative electrode sheet on the outer side.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: September 4, 2018
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventor: Fuminori Ohashi
  • Patent number: 10026955
    Abstract: To provide a method for producing a positive electrode active material layer for lithium ion battery that can improve durability and internal resistance of lithium ion battery, and particularly lithium ion battery that operates at high voltage. The method for producing positive electrode active material layer for a lithium ion battery includes coating a substrate with positive electrode mixture slurry containing positive electrode active material, first lithium salt, second lithium salt and solvent, and drying off the solvent. First lithium salt is lithium phosphate, the second lithium salt is selected from the group including of lithium carbonate, lithium hydroxide, lithium nitrate, lithium acetate, lithium sulfate and combinations thereof, and the proportion of the second lithium salt with respect to the first lithium salt is 1 to 50 mol % based on the number of lithium atoms.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: July 17, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Yohei Shindo
  • Patent number: 9936301
    Abstract: An embodiment discloses the present disclosure includes a transducer having a yoke. The yoke includes a pair of arms. The yoke further includes a layer high permeability steel located between the pair of arms. The yoke also includes a metal coil wrapped around a post located at a central location on the layer of high permeability steel. The apparatus also includes a pair of permanent magnets attached to the single layer high permeability steel, where the permanent magnets each flank the post. The apparatus further includes a pair of springs, each includes a first end and second end, where the first end of each spring is attached to one of the respective arms. Yet further, the apparatus includes a diaphragm coupled to the second end of each spring configured to vibrate in response to a signal supplied to the metal coil.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: April 3, 2018
    Assignee: Google LLC
    Inventor: Michael Asfaw
  • Patent number: 9911973
    Abstract: A power storage device which has high charge/discharge capacity and less deterioration in battery characteristics due to charge/discharge and can perform charge/discharge at high speed is provided. A power storage device includes a negative electrode. The negative electrode includes a current collector and an active material layer provided over the current collector. The active material layer includes a plurality of protrusions protruding from the current collector and a graphene provided over the plurality of protrusions. Axes of the plurality of protrusions are oriented in the same direction. A common portion may be provided between the current collector and the plurality of protrusions.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: March 6, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Ryota Tajima, Shunpei Yamazaki, Teppei Oguni, Takeshi Osada, Shinya Sasagawa, Kazutaka Kuriki
  • Patent number: 9905822
    Abstract: An energy storage unit having plural energy storage devices, each of which includes a container housing an electrode assembly and positive and negative electrode terminals electrically connected to the electrode assembly and extending from the container in the same direction, includes: a bus bar electrically connecting a first terminal, which is one of the positive electrode terminal and the negative electrode terminal of a first energy storage device included in the plural energy storage devices, and a second terminal, which is one of the positive electrode terminal and the negative electrode terminal of a second energy storage device included in the plural energy storage devices and opposite in polarity to the first terminal; a packing member interposed between the first terminal and the container of the first energy storage device; and an insulating member interposed between the bus bar and the container of the first energy storage device.
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: February 27, 2018
    Assignee: GS YUASA INTERNATIONAL LTD.
    Inventors: Sumio Mori, Tomonori Kako, Akihiko Miyazaki, Kenta Nakai
  • Patent number: 9882232
    Abstract: A cable-type battery comprising: at least a first strand of a first polarity type, at least a second strand of a second polarity type, the second polarity type being the opposite of the first polarity type, an electrolyte layer in which the first strand and the second strand are arranged, the electrolyte layer being ionically conducting and electrically insulating, the first strand being ionically connected to the second strand. The first strand is coated by a spacer layer, the spacer being electrically insulating, the spacer being configured to prevent any direct contact between the first strand and the second strand. The strength of the material forming the spacer is greater than the strength of the material forming the electrolyte layer.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: January 30, 2018
    Assignee: COMMISSARIAT À L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Hélène Porthault, Sami Oukassi
  • Patent number: 9825301
    Abstract: The present disclosure refers to a secondary battery comprising a reinforcing material in the fore part of an electrode current collector used in a jelly-roll type electrode assembly, thereby making the jelly-roll type electrode assembly wound in the predetermined position and eventually solving the problem an internal short-circuit due to biased movement.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: November 21, 2017
    Assignee: LG Chem, Ltd.
    Inventors: Young-Soo Kim, Kwan-Soo Lee, Duk-Hyun Ryu
  • Patent number: 9819009
    Abstract: A lithium-ion secondary battery including a negative electrode including negative-electrode active-material particles including an element being capable of sorbing and desorbing lithium ions, and being capable of alloying with lithium; or/and an elementary compound including an element that is capable of alloying with lithium; a positive electrode including a positive-electrode active material that enables Li ions to be sorbed therein and desorbed therefrom; and an electrolytic solution made by dissolving an electrolyte in a solvent. The negative-electrode active-material particles include particles whose particle diameter is 1 ?m or more in an amount of 85% by volume or more thereof when the entirety of said negative-electrode active-material particles, which are included in said negative electrode, is taken as 100% by volume, and the negative-electrode active-material particles exhibit a “D10” being 3 ?m or more. The solvent in the electrolytic solution includes a fluorinated ethylene carbonate.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: November 14, 2017
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Yuichi Hirakawa, Manabu Miyoshi, Hideaki Shinoda, Takayuki Kato, Keiichi Hayashi, Kayo Mizuno, Yoshikatsu Kawabata, Megumi Yamamoto
  • Patent number: 9793572
    Abstract: A rechargeable battery includes an electrode assembly having first and second electrodes at opposite sides of a separator and wound about an axis; a first terminal coupled to the first electrode through a first tab; a second terminal coupled to the second electrode through a second tab; a case accommodating the electrode assembly and including first and second openings at its opposite ends; a first gasket between the first terminal and the first opening, the first gasket sealing the first opening and allowing the first terminal to protrude outside of the case; and a second gasket between the second terminal and the second opening, the second gasket sealing the second opening and allowing the second terminal to protrude outside of the case. The case may further include a fixing portion at its inner side that protrudes toward the electrode assembly.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: October 17, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jin-Hyon Lee, Ji-Woon Lee, Eun-Young Goh, Sang-In Park, Sung-Yong Kim, Jin-Seon Shin, Jong-Ki Lee
  • Patent number: 9780403
    Abstract: The present application relates to the filed of energy storage devices, and in particular, relates to a cathode sheet and a lithium ion electric roll using the cathode sheet. The cathode sheet comprises a cathode current collector, an active substance layer, a cathode tab, a head protective adhesive, a tail protective adhesive, an ending adhesive, and an anti-puncture cushion. The cathode current collector comprises a head exposed zone, a head adhesive application zone, a coating zone, a tail adhesive application zone, and a tail exposed zone. The active substance layer covers the coating zone, the head protective adhesive covers the head adhesive application zone, the tail protective adhesive covers the tail adhesive application zone, the ending adhesive is bonded to a tail of the tail exposed zone, and the anti-puncture cushion is connected to the tail exposed zone.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: October 3, 2017
    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: 9774016
    Abstract: A battery pack includes: a plurality of battery cells (1); a cell support that holds the plurality of battery cells; a connection part (6) that connects to the plurality of battery cells; and a circuit substrate (8) that is used to mount circuits for the plurality of battery cells. The cell support (2) is integrally formed with battery cell storage units (3) that store the plurality of battery cells, a base unit (4) that supports the battery cell storage units, and impact relaxation ribs (21), and each of the impact relaxation ribs is formed between an outer circumference of the base unit and an exterior surface of each of the battery cell storage units, and is configured in a shape capable of being transformed in a direction to which impact is applied.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: September 26, 2017
    Assignee: Sony Corporation
    Inventor: Hiroshi Kano
  • Patent number: 9761856
    Abstract: Provided is a battery pack including flexible bus bars formed in a form in which a plurality of thin plates are stacked, having bent parts formed at the center thereof, and having both sides coupled to a positive electrode terminal and a negative electrode terminal protruding outwardly of battery modules to electrically connect electrode terminals of the battery modules to each other.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: September 12, 2017
    Assignee: SK Innovation Co., Ltd.
    Inventors: Sangyeon Kim, Yun Nyoung Lee
  • Patent number: 9711786
    Abstract: There is provided a method for producing a negative electrode material for lithium ion secondary batteries that is easily produced and is less likely to cause deterioration in charge and discharge cycle characteristics. A method for producing a negative electrode material for lithium ion secondary batteries, comprises steps of heating a raw material composition comprising resin-retained partially exfoliated graphite having a structure in which graphene is partially exfoliated and Si particles to dope the partially exfoliated graphite with the Si particles, the partially exfoliated graphite being obtained by pyrolyzing a resin in a composition in which the resin is fixed to graphite or primary exfoliated graphite, thereby exfoliating the graphite or primary exfoliated graphite while allowing part of the above resin to remain; providing a composition comprising the above partially exfoliated graphite doped with the Si particles, a binder resin, and a solvent; and shaping the above composition.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: July 18, 2017
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shoji Nozato, Akira Nakasuga, Akihiko Fujiwara, Hiroshi Yoshitani, Yasushi Uematsu, Shotaro Kobaru
  • Patent number: 9698407
    Abstract: A rechargeable battery includes an electrode assembly including a first electrode and a second electrode; a case for accommodating the electrode assembly; a cap plate in an opening of the case to seal the case, including a terminal hole, and connected to the first electrode through a lead tab; and first and second electrode terminals electrically coupled to the electrode assembly and protruding away from the cap plate, the first electrode terminal including plurality of lead terminals connected to the cap plate, and a plate terminal supported by the plurality of lead terminals to be spaced apart from the cap plate.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: July 4, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Sung-Kab Kim, Myung-Jae Jang, Sung-Hoon Kim
  • Patent number: 9614195
    Abstract: An energy storage device including: a cylindrical case having at least one end closed; and an electrode assembly housed in the case. A reduced-diameter portion, at which an outer diameter of the case is reduced, is formed at the closed end of the case.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: April 4, 2017
    Assignee: GS Yuasa International Ltd.
    Inventors: Hideto Watanabe, Manabu Kanemoto, Daisuke Okuda, Mitsuhiro Kodama
  • Patent number: 9608266
    Abstract: Disclosed are a cathode active material and a method to produce the same at low cost. The cathode powder comprises modified doped LiCoO2 carrying a secondary phase having either one of space groups Fm-3m or Fd-3mS. The modified LiCoO2 is Ni and Mn bearing and has regions of low and high manganese content, where regions with high manganese content are located in islands on the surface. The cathode material has high cycling stability, a very high rate performance and good high temperature storage properties.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: March 28, 2017
    Assignee: Umicore
    Inventors: Jens Martin Paulsen, Maxime Blangero
  • Patent number: 9564662
    Abstract: A protection circuit module (PCM) integrated cap assembly includes a cap plate including an electrically conductive material and defining a through hole passing from a first surface of the cap plate to a second surface of the cap plate, a wiring unit including an electrically conductive material and a circuit pattern, and facing the first surface of the cap plate, wherein a first edge of the wiring unit is electrically coupled to the cap plate, and wherein a second edge of the wiring unit extends through the through hole of the cap plate a first insulating unit in a space of the circuit pattern a second insulating unit between the second edge of the wiring unit and a portion of the cap plate defining the through hole, and at least one electrical component coupled to the circuit pattern.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: February 7, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Yu-Sik Hwang
  • Patent number: 9553285
    Abstract: A battery reinforcement method for reinforcing a rectangular battery cell in which a battery element is disposed in a rectangular external packaging, the method includes enclosing the battery element between two rectangular external packaging sheets and sealing the rectangular external packaging sheets with a sealing part that extends along edges of the rectangular external packaging sheets so as to form the rectangular external packaging, and forming a reinforcing part outside of the sealing part on the rectangular external packaging.
    Type: Grant
    Filed: February 13, 2013
    Date of Patent: January 24, 2017
    Assignees: Nissan Motor Co., Ltd., Automotive Energy Supply Corporation
    Inventors: Takeshi Yasooka, Mitiyuki Tezuka
  • Patent number: 9496541
    Abstract: An accumulator device includes: an outer container with mutually overlapped outer films bonded air-tightly to each other at a bonding portion formed along respective outer peripheral edge portions; an electrode unit accommodated inside the outer container and including positive and negative electrode sheets stacked one on another with a separator disposed therebetween, the positive and negative electrode sheets each including a current collector on which an electrode layer is formed; positive and negative electrode terminals provided to protrude from inside the outer container to outside through the bonding portion; and an electrolytic solution injected in the outer container. The positive electrode terminal includes an aluminum terminal substrate and a nickel-plating coating formed on a surface of an outer end portion of the terminal substrate located outside the outer container; an inner edge of the nickel-plating coating is located within the bonding portion.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: November 15, 2016
    Assignee: JM Energy Corporation
    Inventors: Makoto Taguchi, Yuu Watanabe, Nobuo Ando, Hidenori Takagi
  • Patent number: 9310447
    Abstract: In order to provide a magnetic field measuring apparatus facilitating the pressure control in a gas cell, or capable of inspecting the internal pressure of the gas cell without using any special process, the magnetic field measuring apparatus is configured such that a process layer of the magnetic field measuring apparatus has such a structure that includes a first hollow portion and a second hollow portion provided opposed to first hollow portion with a first isolation wall interposed therebetween. Alternatively, a method for manufacturing the magnetic field measuring apparatus includes breaking the first isolation wall after generating alkali metal (FIG. 17 and FIG. 20).
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: April 12, 2016
    Assignee: HITACHI, LTD.
    Inventors: Yudai Kamada, Taro Osabe, Seiichi Suzuki, Akihiko Kandori, Ryuzo Kawabata
  • Patent number: 9269936
    Abstract: An apparatus for providing safety measures during gas release from a vehicle battery, such as a damaged lithium-ion rechargeable battery, arranged in a volume space having an opening includes at least one shroud element. The shroud element is configured to expand into the volume space by being filled with a gas such that, upon expansion of the shroud element, openings in the shroud element are enlarged and shroud element contents are discharged into the volume space through the enlarged openings in the shroud element. The apparatus further includes a device that, upon reception of a trigger signal, is configured to fill the shroud element at least partially with carbon dioxide gas such that carbon dioxide gas is discharged into the volume space as contents of the shroud element. An installation space includes the apparatus and a method is implemented to provide safety measures during gas release from the vehicle battery.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: February 23, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Sarmimala Hore, Joachim Fetzer, Ralf Angerbauer, Holger Fink