Separator, Retainer Or Spacer Insulating Structure (other Than A Single Porous Flat Sheet, Or Either An Impregnated Or Coated Sheet Not Having Distinct Layers) Patents (Class 429/129)
  • Patent number: 10763483
    Abstract: The battery pack disclosed herein includes a plurality of unit cells. The plurality of unit cells is connected to each other by a bus bar. The bus bar has two terminal connection portions and a linking portion. A linear welded portion is formed in a portion where the terminal connection portions and the external terminals overlap with each other. The linear welded portion is non-annular in the plane of the terminal connection portions and has a straight linear portion extending in a direction orthogonal to the arrangement direction, and two circular arc portions that extend from respective ends of the straight linear portion and are curved toward a side opposite to the side where the linking portion is located.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: September 1, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroki Nagai, Koji Tamaru, Ryo Kagami, Yuki Okamoto
  • Patent number: 10756330
    Abstract: A silicon based micro-structured material and methods are shown. In one example, the silicon based micro-structured material is used as an electrode in a battery, such as a lithium ion battery. A battery, comprising: a first electrode, including a number of porous silicon spheres; a second electrode; and an electrolyte in contact with both the first electrode and the second electrode.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: August 25, 2020
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Wei Wang, Cengiz S Ozkan, Mihrimah Ozkan
  • Patent number: 10727481
    Abstract: A novel hybrid lithium-ion anode material based on coaxially coated Si shells on vertically aligned carbon nanofiber (CNF) arrays. The unique cup-stacking graphitic microstructure makes the bare vertically aligned CNF array an effective Li+ intercalation medium. Highly reversible Li+ intercalation and extraction were observed at high power rates. More importantly, the highly conductive and mechanically stable CNF core optionally supports a coaxially coated amorphous Si shell which has much higher theoretical specific capacity by forming fully lithiated alloy. Addition of surface effect dominant sites in close proximity to the intercalation medium results in a hybrid device that includes advantages of both batteries and capacitors.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: July 28, 2020
    Assignee: CF TRAVERSE LLC
    Inventor: Ronald A. Rojeski
  • Patent number: 10696840
    Abstract: A resin composition for semiconductor encapsulation, containing (A) an epoxy resin, (B) a phenolic resin-based curing agent, (C) an inorganic filler, and (D) amorphous carbon, wherein the amorphous carbon of the component (D) contains 30 atomic % or more of an SP3 structure and 55 atomic % or less of an SP2 structure.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: June 30, 2020
    Assignee: KYOCERA CORPORATION
    Inventors: Ken Uchida, Shinichi Kazama, Yoshitake Terashi
  • Patent number: 10693195
    Abstract: Provided is a rechargeable battery. The rechargeable battery includes an electrode assembly, an electrolyte immersing the electrode assembly therein, a case assembly accommodating the electrode assembly and the electrolyte, and an absorbing member disposed in the electrode assembly to absorb stress applied to the inside of the electrode assembly when the electrode assembly is expanded.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: June 23, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jin Uk Do, Ju Bin Kim, Sang Sok Jung
  • Patent number: 10673047
    Abstract: The present disclosure relates to a cable type secondary battery which includes: a cable type electrode assembly including an inner electrode, a separator layer formed to surround the outer surface of the inner electrode and preventing a short-circuit between electrodes, and an outer electrode formed to surround the separator layer; a taping layer formed by spirally winding a sheet type tape so that it surrounds the outer surface of the cable type electrode assembly; and a packaging formed to surround the outer surface of the taping layer. According to the present disclosure, it is possible to prevent separation of the separator layer or the outer electrode, and thus to reinforce the bending characteristics of the cable type secondary battery.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: June 2, 2020
    Assignee: KG Chem, Ltd.
    Inventors: In-Sung Uhm, Je-Young Kim, Suk-In Noh, Young-Ji Yuk, Dong-Chan Lee
  • Patent number: 10673044
    Abstract: An electrical insulator and its related battery are provided. The electrical insulator includes a separation region and a supporting region. The supporting region covers the edge of at least one of opposite surfaces of the separation region and at least a part of a lateral surface of the separation region. The battery includes the electrical insulator. The electrical insulator is disposed between cathode and anode active material layers of the battery and contacts the active material layers directly. The cathode and the anode active material layers are completely electrically isolated because the electrical insulator totally covers at least one active material layer. Hence, the inner short of the battery is prevented.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: June 2, 2020
    Assignees: PROLOGIUM TECHNOLOGY CO., LTD., PROLOGIUM HOLDING INC.
    Inventor: Szu-Nan Yang
  • Patent number: 10661462
    Abstract: A wrinkle or misaligned winding caused in a separator roll is inhibited. In a slitting apparatus (6), a conveying direction of a first separator (12a) is changed to a first take-up roller (70U) side by a direction changing roller (68), the first separator is conveyed via a take-up assisting roller (69) which is provided between the direction changing roller and a first touch roller (81U) so as to shorten a roller-to-roller distance to the first touch roller, and the first separator which is being wound is pressed onto a take-up surface by the first touch roller.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: May 26, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kiyomu Nomura, Tatsuya Kataoka
  • Patent number: 10658697
    Abstract: A secondary battery is provided. The secondary battery includes a positive electrode, a negative electrode including a carbon material and a silicon-based material; and an electrolyte layer. The electrolyte layer includes an electrolytic solution and a polymeric compound and has one or more through-holes extending in a thickness direction of the electrolyte layer.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: May 19, 2020
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Masayuki Iwama
  • Patent number: 10644323
    Abstract: Provided is a metal mesh foil for a current collector of a lithium secondary battery having a hydrophobic deposition layer formed on a surface thereof, wherein the hydrophobic deposition layer is a deposition layer, in which a hydrophobic material is deposited, and has a thickness of 1 ? to 100 ?.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: May 5, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Su Min Lee, Sun Young Shin, Oh Byong Chae, Eun Kyung Kim
  • Patent number: 10644332
    Abstract: A gas-liquid separator includes a casing in which there are formed an inlet port to which a gas-liquid two-phase flow is supplied, and an outlet port through which a gas flow is discharged after the gas-liquid two-phase flow has been separated into a gas and a liquid. A gas-liquid separation chamber is formed in the casing by a partition wall. The inlet port opens on a surface of the partition wall in the gas-liquid separation chamber. The gas-liquid separator further includes a deflection member configured to change a flow direction of the gas-liquid two-phase flow that flows in from the inlet port, and a clearance is formed between the deflection member and an inner wall of the casing.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: May 5, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yuji Okamura, Tetsuya Fukuda, Yoichiro Saito
  • Patent number: 10637073
    Abstract: A positive electrode for a metal-air battery, the positive electrode including: a first layer disposed on a surface of an electrolyte membrane or a separator and including a first carbon material, a first electrolyte, and a first binder having an affinity with the first electrolyte; and a second layer disposed on the first layer and including a second carbon material, a second electrolyte, and a second binder having an affinity with the second electrolyte, wherein the first carbon material is different from the second carbon material, the first carbon material has a Brunauer Emmett Teller specific surface area which is greater than a Brunauer Emmett Teller specific surface area of the second carbon material, and wherein an amount of the first binder may be about 1.5 times to about 3 times greater than an amount of the second binder.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: April 28, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jungock Park, Mokwon Kim, Joonhee Kim, Kyounghwan Choi
  • Patent number: 10629958
    Abstract: An objective is to provide a novel aqueous electrolytic solution constituting an aqueous power storage device that stably operates even at a high voltage. An electrolytic solution for a power storage device contains water as a solvent and has a composition in which an amount of the solvent is not greater than 4 mol with respect to 1 mol of an alkali metal salt.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: April 21, 2020
    Assignees: THE UNIVERSITY OF TOKYO, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Tomoyuki Kawai, Junichi Niwa, Atsuo Yamada, Yuki Yamada, Kenji Usui
  • Patent number: 10615406
    Abstract: A negative electrode of a lithium ion secondary battery of the present invention includes a current collector (32) and a negative electrode active material layer (34) provided on the current collector (32). In the negative electrode of a lithium ion secondary battery, the negative electrode active material layer (34) includes carbon particles, a degree of graphitization of the carbon particles is 1.0 or more and 1.5 or less and a degree of orientation of the carbon particles is 50 or more and 150 or less; where, the degree of graphitization is a ratio (P101/P100) between a peak intensity P101 of the (101) plane and a peak intensity P100 of the (100) plane in an X-ray diffraction pattern and the degree of orientation is a ratio (P002/P110) between a peak intensity P002 of the (002) plane and a peak intensity P110 of the (110) plane in an X-ray diffraction pattern.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: April 7, 2020
    Assignee: TDK CORPORATION
    Inventors: Hiroshi Sasagawa, Yasuyuki Kawanaka, Takuya Aoki
  • Patent number: 10615454
    Abstract: An electrolyte and a lithium battery including the electrolyte, a positive electrode, and a negative electrode are provided. The electrolyte includes a lithium difluorophosphate (LiPO2F2), a sultam-based compound, and an organic solvent. The electrolyte may reduce an internal resistance increase rate of a lithium battery, and thus improve high-temperature stability of the lithium battery.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: April 7, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hyunbong Choi, Miyoung Son, Harim Lee, Woocheol Shin, Makhmut Khasanov
  • Patent number: 10581080
    Abstract: A cathode includes a cathode active material layer including a cathode active material; and a coating layer that is disposed on the cathode active material layer and that includes a block copolymer, wherein the block copolymer includes at least one first block that forms a structure domain and a second block that forms an ion conductive domain, and a total amount of the first block is in a range of about 20 weight percent to about 80 weight percent based on the total weight of the block copolymer.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: March 3, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Yonggun Lee, Saebom Ryu, Wonseok Chang
  • Patent number: 10573924
    Abstract: An electrochemical cell includes a composite electrode body with at least one positive and at least one negative electrode; an electrolyte that impregnates the composite electrode body; and a housing with a liquid-impervious interior, wherein the composite electrode body impregnated with the electrolyte is disposed in the interior, and the housing consists of PEK or a PEK based material.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: February 25, 2020
    Assignee: VARTA Microbattery GmbH
    Inventors: Rolf Brenner, Juergen Ernsperger, Claus-Christian Fischer, Winfried Gaugler, Rainer Hald, Goran Kilibarda, Bernd Kreidler
  • Patent number: 10541400
    Abstract: A secondary battery includes an electrode body and an electrolytic solution, the electrode body including a positive electrode, a negative electrode, and a separator. The separator includes a resin substrate that has a multi-layer structure including a porous polyethylene layer and a porous high melting point resin layer, the porous polyethylene layer including a polyethylene resin and being disposed to face the negative electrode, and the porous high melting point resin layer including a resin having a higher melting point than the polyethylene resin. The porosity of the porous polyethylene layer is 2% to 5%. A ratio of the thickness of the porous polyethylene layer to the total thickness of the resin substrate is 0.048 to 0.091.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: January 21, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Emi Tsutsui
  • Patent number: 10535908
    Abstract: A lithium ion conducting protective film produced using a layer-by-layer assembly process. The lithium ion conducting protective film is assembled on a substrate by a sequential exposure of the substrate to a first poly(ethylene oxide) (PEO) layer including a cross-linking silane component on the first side of the substrate, a graphene oxide (GO) layer on the first PEO layer, a second poly(ethylene oxide) (PEO) layer including a cross-linking silane component on the GO layer and a poly(acrylic acid) (PAA) layer on the second PEO layer. The film functions as a lithium ion conducting protective film that isolates the lithium anode from the positive electrochemistry of the cathode in a lithium-air battery, thereby preventing undesirable lithium dendrite growth.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: January 14, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., MASSACHUSETTS INSTITUTE OF TECHNOLOGY
    Inventors: Mariya Khiterer, Paula T. Hammond, Sun Hwa Lee
  • Patent number: 10505227
    Abstract: This invention is directed to functional ionic liquid hybrid materials having negligible vapor pressure, nonflammability, good room-temperature ionic conductivity, wide electrochemical windows, and favorable chemical and thermal stability.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: December 10, 2019
    Assignee: NOHMS Technologies, Inc.
    Inventors: Surya S. Moganty, Gabriel Torres
  • Patent number: 10505168
    Abstract: Provided are separators for use in an electrochemical cell comprising (a) an inorganic oxide and (b) an organic polymer, wherein the inorganic oxide comprises organic substituents. Also provided are electrochemical cells comprising such separators.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: December 10, 2019
    Assignee: Optodot Corporation
    Inventors: Steven Allen Carlson, Ifenna Kingsley Anakor, Greg Robert Farrell
  • Patent number: 10476064
    Abstract: The present invention relates to a jelly-roll type electrode assembly comprising: a sheet-like positive electrode; a sheet-like negative electrode; and a separator which is interposed between the positive electrode and the negative electrode, and which includes a first adhesive coating part and a second adhesive coating part formed on a first surface of a sheet-like porous substrate, and a third adhesive coating part formed on a second surface which is the opposite surface to the first surface, wherein the first adhesive coating part and the second adhesive coating part have different tack strength from each other.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: November 12, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Sung Han Jung, Ki Woong Kim, Sung Pil Yoon
  • Patent number: 10468658
    Abstract: A rechargeable battery is disclosed. In one aspect, the battery includes an electrode assembly having a thickness and including a positive electrode and a negative electrode. The battery also includes a case accommodating the electrode assembly. The electrode assembly further includes a plurality of first electrode tabs protruding from the positive electrode and a plurality of second electrode tabs protruding from the negative electrode. The first electrode tabs have a width and are aligned in the thickness dimension of the electrode assembly. A distance TG between the first electrode tabs and the second electrode tabs satisfies the following equations: 1.2TW1<TG<6TW1 and TG>5SW1, where TW1 is the width of the first electrode tabs and SW1 is the minimum distance between the first electrode tabs and a lateral end of the electrode assembly.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: November 5, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seong-Gi Choo, Sung-Hwa Eo, Da-Woon Han, Jan-Dee Kim
  • Patent number: 10454134
    Abstract: A lithium secondary battery including a cathode electrode, an anode electrode, and a separation film installed between the cathode electrode and the anode electrode, wherein the cathode electrode includes a cathode active material containing lithium-metal oxide of which at least one of metals has a continuous concentration gradient region between a core part and a surface part thereof, the anode electrode includes a ceramic coating layer on at least one surface thereof, and the separation film includes a base film, and a ceramic coating layer formed on at least one surface of the base film, such that it is possible to achieve a significantly improved effect in both of the lifespan property and penetration durability.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: October 22, 2019
    Assignee: SK Innovation Co., Ltd.
    Inventors: Kook-Hyun Han, Kyung-Bin Yoo, Duck-Chul Hwang
  • Patent number: 10431793
    Abstract: A method of producing a separator is provided. The method includes providing a particle membrane including inorganic particles on at least one principal surface of a porous body by a vapor-phase process such that the particle membrane has a porosity that is non-uniform in a thickness direction thereof. A method of producing a microporous membrane is also provided.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: October 1, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Masahiro Sawaguchi, Masashi Meguro, Masaru Hiratsuka, Yoshiyuki Fuchigami
  • Patent number: 10396359
    Abstract: A method includes treating a CFx material with a base during the formation of a CFx cathode; and assembling the treated CFx material into a cathode electrode and assembling the cathode electrode with a lithium anode electrode and an electrolyte into a cell.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: August 27, 2019
    Assignee: Cardiac Pacemakers, Inc.
    Inventors: Ignacio Chi, Steven P. Findell, Todd Eric Bofinger, Michael J. Root
  • Patent number: 10381632
    Abstract: An electrochemical storage cell is disclosed that comprises a core and a rectangular shell that receives the core snugly therein. The rectangular shell has first and second open ends. A first end cap is used to close the first open end. An anode terminal extends through the first end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A first gasket is secured within the rectangular shell between the first end cap and the core to resiliently hold the core away from the first end cap. A second end cap is used to close the second open end. A cathode terminal extends through the second end cap from an interior portion of the electrochemical storage cell to an external portion thereof. A second gasket is secured within the rectangular shell between the second end cap and the core to resiliently hold the core away from the second end cap.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: August 13, 2019
    Assignees: SHENZHEN BYD AUTO R&D COMPANY LIMITED, BYD COMPANY LIMITED
    Inventors: Weixin Zheng, Qing Lai, Jianhua Zhu
  • Patent number: 10381639
    Abstract: A lithium secondary battery including a cathode, an anode, and a separation film installed between the cathode and the anode, wherein the cathode includes a cathode active material containing lithium-metal oxide of which at least one of the metals has a continuous concentration gradient region between a core part and a surface part thereof, and the separation film includes a base film, and a ceramic coating layer formed on at least one surface of the base film, such that the lifespan property is significantly improved, while exhibiting excellent penetration safety.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: August 13, 2019
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Kook-Hyun Han, Kyung-Bin Yoo, Duck-Chul Hwang
  • Patent number: 10340524
    Abstract: A negative electrode for a lithium battery, including a lithium metal; and a protective layer disposed on at least a part of the lithium metal, wherein the protective layer includes a block copolymer including a structural domain and a hard domain covalently linked to the structural domain, wherein the structural domain includes a structural block of the block copolymer, wherein the hard domain includes a hard block of the block polymer, wherein the structural block includes a plurality of structural repeating units, and wherein the hard block includes a plurality of olefin repeating units.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: July 2, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yonggun Lee, Toshinori Sugimoto, Yooseong Yang, Wonseok Chang, Hongsoo Choi
  • Patent number: 10307925
    Abstract: Provided is a method for producing a separator which method less causes a tear in the separator. The method is a method for producing a separator by slitting, in a direction in which a separator original sheet (12b) being porous is conveyed, the separator original sheet (12b) into a plurality of separators (12a), including the steps of: (a) conveying the separator original sheet (12b) in a state where the separator original sheet (12b) is in contact with a roller (77); and (b) slitting the separator original sheet (12b) at a portion where the separator original sheet (12b) is in contact with the roller (77).
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: June 4, 2019
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Koichiro Watanabe, Tatsuya Kataoka, Kiyomu Nomura
  • Patent number: 10270134
    Abstract: A method of manufacturing an electrode assembly includes a first step of forming one kind of a radical unit or at least two kinds of radical units having an alternately stacked structure of a same number of electrodes and separators; and a second step of forming a cell stack part by repeatedly stacking one kind of the radical units, or by stacking at least two kinds of the radical units. Edge of the separator is not joined with that of adjacent separator. One kind of radical unit has a four-layered structure in which first electrode, first separator, second electrode and second separator are sequentially stacked together or a repeating structure in which the four-layered structure is repeatedly stacked, and at least two kinds of radical units are stacked by ones to form the four-layered structure or the repeating structure.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: April 23, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Ji Won Park, Seung Jae You, Myung Hoon Ko, Jin Ho Ban, Hyang Mok Lee
  • Patent number: 10263255
    Abstract: A lithium secondary battery includes a cathode electrode, an anode electrode, and a separation film installed between the cathode electrode and the anode electrode, wherein the cathode electrode includes a cathode active material containing lithium-metal oxide of which at least one of metals has a concentration gradient region between a core part and a surface part thereof, and the separation film includes a base film and a ceramic coating layer formed on at least one surface of the base film, such that it is possible to achieve a significantly improved effect in both of the lifespan property and penetration durability.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: April 16, 2019
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Kook-Hyun Han, Kyung-Bin Yoo, Duck-Chul Hwang
  • Patent number: 10243189
    Abstract: A separator includes a substrate layer and a porous surface layer that is provided on at least one major surface of the substrate layer and contains a first particle, a second particle, and a resin material. The surface layer includes a first region configured by the first particle and a second region configured by the second particle and the resin material.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: March 26, 2019
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Moriaki Okuno
  • Patent number: 10236541
    Abstract: A battery cell testing fixture is provided which includes a user interface, a separator assembly and an optional stand. The user interface includes a module for receiving input voltage data from at least one circuit to provide a variety of battery cell conditions. The separator assembly includes an integrated reference electrode or reference component. The separator assembly is operatively configured to be used with a plurality of test batteries in succession. The separator assembly may be operatively configured to communicate with a current collector, a meter and the user interface.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: March 19, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Brian J Koch, Ashley McAllister, Robert S Conell
  • Patent number: 10236491
    Abstract: A lithium ion secondary battery includes: an electrode multilayer body including a plurality of electrodes stacked with a plurality of separators interposed therebetween; and a package. An end of each of the plurality of separators of the electrode multilayer body housed in the package projects from each of the plurality of electrodes. The plurality of separators includes a first separator, and a second separator which is disposed inside of the first separator and whose projecting amount of an end is smaller than that of the first separator. The end of the first separator is in contact with an inner surface of the packaging film or an inner surface of the separator located outside of the first separator, the end of the first separator is curved further inside than a virtual extension plane of an outer surface of the second separator.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: March 19, 2019
    Assignee: AUTOMOTIVE ENERGY SUPPLY CORPORATION
    Inventors: Shinichiro Sakaguchi, Aika Kimura, Masatomo Mizuta
  • Patent number: 10230090
    Abstract: A polyolefin-based porous separator, including a first polyolefin-based porous film on a first surface of a second polyolefin-based porous film, and a third polyolefin-based porous film on a second surface of the second polyolefin-based porous film, each of the first and third polyolefin-based porous films containing inorganic particles having an average particle size of 10 nm to 100 nm, a thickness ratio of the first polyolefin-based porous film, the second polyolefin-based porous film, and the third polyolefin-based porous film being 0.5 to 1.5:1 to 6:0.5 to 1.5, and thermal shrinkage rates of the separator in a machine direction and a transverse direction measured after standing at 120° C. for 1 hour each being 5% or less, and air permeability of the separator being 250 sec/100 cc or less.
    Type: Grant
    Filed: June 22, 2015
    Date of Patent: March 12, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sang Ho Lee, Kee Wook Kim, Yun Gi Kim, Jung Seong Lee, Jung Sue Jang, Jun Ho Chung, Jae Hyun Cho, Dae Hyun Hong
  • Patent number: 10211459
    Abstract: An electrode material for a nonaqueous electrolyte battery of the present embodiment includes a composite particle containing a carbonaceous material. A peak half-width of d-band measured from a Raman spectrum of the carbonaceous material is at 150 cm?1 or more. A ratio Lc/La of a crystallite size Lc in a c-axis direction observed at 20° to 26° in a X-ray diffraction to a crystallite size La in an a-axis direction observed at 40° to 44° is 0.7 or less.
    Type: Grant
    Filed: September 8, 2016
    Date of Patent: February 19, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasuyuki Hotta, Takashi Kuboki, Shinsuke Matsuno
  • Patent number: 10205166
    Abstract: A novel hybrid lithium-ion anode material based on coaxially coated Si shells on carbon nanofibers (CNF). The unique cup-stacking graphitic microstructure makes the CNFs an effective Li+ intercalation medium. Highly reversible Li+ intercalation and extraction were observed at high power rates. More importantly, the highly conductive and mechanically stable CNF core optionally supports a coaxially coated amorphous Si shell which has much higher theoretical specific capacity by forming fully lithiated alloy. Addition of surface effect dominant sites in close proximity to the intercalation medium results in a hybrid device that includes advantages of both batteries and capacitors.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: February 12, 2019
    Assignee: CF Traverse LLC
    Inventors: Jun Li, Ronald A Rojeski, Steven Klankowski
  • Patent number: 10186691
    Abstract: There is provided a battery including a substantially cylindrically shaped winding electrode having a hollow portion in the center, and a sheath material having flexibility which sheathes the winding electrode, wherein a width of the hollow portion is 2.5 mm or less.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: January 22, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Yoshiichi Horikoshi
  • Patent number: 10181588
    Abstract: A battery is provided with a lid member that closes a case, a collector terminal member having an insert-through part, an insulator that electrically insulates the lid member and the collector terminal member, and a gasket that provides a seal between the lid member and the collector terminal member. The lid member has a protrusion protruding downward in the vertical direction from the bottom. A gasket is in the same position as the protruding section in an inside-outside direction, which is perpendicular to the vertical direction, and has a sealing part pressed by the protruding section. At least one gap exists in the vicinity of the seal section in a different position to the seal section in the inside-outside direction, and at least portions of the gaps are enclosed by the gasket and the collector terminal member.
    Type: Grant
    Filed: March 21, 2013
    Date of Patent: January 15, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takashi Harayama, Kazuyuki Kusama
  • Patent number: 10170766
    Abstract: The present application relates to a cathode for a lithium-sulfur battery and a method of preparing the same. More specifically, the cathode for a lithium-sulfur battery according to an exemplary embodiment of the present application includes: a cathode active part including a sulfur-carbon composite; and a cathode coating layer including an amphiphilic polymer provided on at least one portion of a surface of the cathode active part and including a hydrophilic portion and a hydrophobic portion.
    Type: Grant
    Filed: July 8, 2014
    Date of Patent: January 1, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Byoungkuk Son, Minchul Jang, Min Seo Kim, Da Young Sung, Seong Ho Lee
  • Patent number: 10158109
    Abstract: Electrode assemblies for use in electrochemical cells are provided. The negative electrode assembly includes negative electrode active material and an electrolyte chosen specifically for its useful properties in the negative electrode. Such properties include reductive stability and ability to accommodate expansion and contraction of the negative electrode active material. Similarly, the positive electrode assembly includes positive electrode active material and an electrolyte chosen specifically for its useful properties in the positive electrode. These properties include oxidative stability and the ability to prevent dissolution of transition metals used in the positive electrode active material. A third electrolyte can be used as separator between the negative electrode and the positive electrode. A cell is constructed with a cathode that includes a fluorinated electrolyte which does not penetrate into the solid-state polymer electrolyte separator between it and the lithium-based anode.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: December 18, 2018
    Assignee: Seeo, Inc.
    Inventors: Hany Basam Eitouni, Russell Clayton Pratt
  • Patent number: 10147972
    Abstract: The present application provides a lithium-ion battery, which comprises: a wound-type cell formed by winding a positive electrode plate, a separator and a negative electrode plate, a width of the separator is greater than widths of the positive electrode plate and the negative electrode plate; an electrolyte; and a packaging film packaging the wound-type cell and accommodating the electrolyte; a wound ending of the wound-type cell is adhered with a single-sided adhesive layer, an adhesive of the single-sided adhesive layer is a flowable curing adhesive, the wound-type cell and the packaging film are adhered together by the curing adhesive which flows and flows out from a periphery of the single-sided adhesive layer. The single-sided adhesive layer can prevent the wound-type cell from loosening or deforming, rupturing of the positive electrode tab and the negative electrode tab and bursting open of a top-seal in the process of dropping or tumbling.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: December 4, 2018
    Assignee: DONGGUAN AMPEREX TECHNOLOGY LIMITED
    Inventors: Jinzhen Bao, Hongxin Fang, Conghui You, Peipei Guo, Zhong Shi, Huali Zhou
  • Patent number: 10143948
    Abstract: In general, techniques are described for filter media monitoring within a filtration system. The filter media monitoring techniques described herein include, for example, direct contact with the filter media, e.g., a sensor may be located inside a boundary defined by a surface of the filter media, or indirect contact with the filter media, e.g., a sensor may be located outside the boundary defined by the surface of the filter media such that the sensor does not make direct physical contact with the filter media being monitored.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: December 4, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Andrew P. Bonifas, Nicholas G. Amell, Ronald D. Jesme, Jeffrey M. Maki, Brock A. Hable, Jaewon Kim
  • Patent number: 10141599
    Abstract: A non-aqueous electrolyte secondary battery includes battery element formed by laminating and winding positive electrode and negative electrode via separator. Positive electrode includes a positive electrode current-collector-exposed portion, in which the positive electrode current collector is exposed over a length dimension of not less than one turn of the winding of battery element in the outermost circumference and an intermediate layer portion of the winding. The negative electrode in a part facing the positive electrode current collector exposed in the intermediate layer portion includes the negative electrode active material layer laminated on the negative electrode current collector. Negative electrode can be provided with a slit at an exposed side with respect to both exposed ends of the positive electrode current-collector-exposed portion.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: November 27, 2018
    Assignee: SANYO ELECTRIC CO., LTD.
    Inventors: Natsuhiko Mukai, Masato Fujikawa
  • Patent number: 10141558
    Abstract: A separator for a lithium-ion battery includes a substrate, a coating, and a middle layer formed between the substrate and the coating. The middle layer includes a part of the substrate and a part of the coating. The substrate contains a base polymer, a first polymer, and a first inorganic material. The coating contains a second polymer and a second inorganic material. The first polymer and the second polymer independently contain an acid radical in a side chain thereof. The first inorganic material is reactive with the first polymer via a first neutralization reaction, and the second inorganic material is reactive with the second polymer via a second neutralization reaction. A method for preparing a separator for a lithium-ion battery and a lithium-ion battery are also provided.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: November 27, 2018
    Assignee: BYD COMPANY LIMITED
    Inventors: Xiaofang Chen, Weifeng Miao
  • Patent number: 10135092
    Abstract: Provided are a polymer electrolyte, a lithium secondary battery using the same, and a manufacturing method thereof, in which a gel polymer electrolyte is formed from a monomer for forming a gel polymer by a rapid polymerization reaction, when using a porous nanofiber web as an electrolyte matrix, and injecting an organic electrolytic solution formed by mixing the gel polymer forming monomer and a polymerization initiator, to induce an addition polymerization reaction, but the porous nanofiber web maintains a web-like shape. The polymer electrolyte includes: a separator made of a porous nanofiber web having a plurality of nanofibers; and a gel polymer portion impregnated in the porous nanofiber web. the gel polymer portion is formed by impregnating an electrolytic solution containing a non-aqueous organic solvent, a lithium salt solute, a gel polymer forming monomer, and a polymerization initiator in the porous nanofiber web and polymerizing the gel polymer forming monomer.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: November 20, 2018
    Assignee: AMOGREENTECH CO., LTD.
    Inventors: Won Gil Choi, Ju Hee Jang, Seung Yun Rho, In Yong Seo
  • Patent number: 10128529
    Abstract: A lithium-ion secondary battery with a high capacity retention rate is provided. In addition, a fabricating method of a lithium-ion secondary battery with a high capacity retention rate is provided. The lithium-ion secondary battery includes a positive electrode, a negative electrode, and an electrolyte solution. The negative electrode includes a negative electrode active material layer. The electrolyte solution includes at least one of lithium bis(trifluoromethanesulfonyl)amide (LiTFSA) and lithium bis(fluorosulfonyl)amide (LiFSA). The electrolyte solution includes vinylene carbonate (VC). A coating film including lithium oxide is on a surface of the negative electrode active material layer.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: November 13, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Ai Nakagawa, Teppei Oguni, Kai Kimura, Rika Yatabe
  • Patent number: 10122015
    Abstract: A positive electrode for a lithium secondary battery is described which includes a lithium transition metal complex oxide including a lithium nickel based complex oxide and/or a lithium cobalt based complex oxide, active carbon having a specific surface area of from about 900 m2/g to about 1600 m2/g, and a water-based binder.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: November 6, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Seung-Hun Han, Jun-Kyu Cha, Hye-Sun Jeong, Kwi-Seok Choi
  • Patent number: 10115947
    Abstract: The present invention provides a separator roll (10) and the like including a core suited for reuse. The separator roll (10) includes: a porous separator (12) for use in a battery; and a core (8) around which the separator (12) is wound. The outer circumferential surface (S) of the core (8) has arithmetic mean roughness of not less than 3.7 ?m, the outer circumferential surface (S) being in contact with the separator (12).
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: October 30, 2018
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventor: Daizaburo Yashiki