Electrode Patents (Class 429/209)
  • Patent number: 10892523
    Abstract: An electrolyte composition has a fluoroalkylsulfonyl salt and water. The water is present, relative to the fluoroalkylsulfonyl salt, at a molar ratio within a range of 0.1:1 to 10:1, inclusive. This creates a “water-in-salt” in which individual water molecules are surrounded by salt rather than vice versa. Water contained in this environment is electrochemically stabilized relative to a bulk water. The electrolyte also has an organic carbonate present, relative to the fluoroalkylsulfonyl salt, at a molar ratio within a range of 0.1:1 to 50:1, inclusive. It has been discovered that inclusion of the organic carbonate further increases the electrochemical stability of the water within the “in-salt” environment.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: January 12, 2021
    Assignee: Toyota Motor Engineering & Manufacturing North America, Inc.
    Inventors: Kensuke Takechi, Ruidong Yang
  • Patent number: 10886569
    Abstract: A non-aqueous electrolyte secondary battery includes a negative electrode, a positive electrode, and an electrolyte solution. The electrolyte solution contains at least one selected from the group consisting of ethylene carbonate, fluoroethylene carbonate, and vinylene carbonate. The negative electrode includes a negative electrode mixture layer. The negative electrode mixture layer contains a silicon-containing particle and a graphite particle. In a Log-differential pore volume distribution of the negative electrode mixture layer, the ratio of a Log-differential pore volume at a pore diameter of 2 ?m to a Log-differential pore volume at a pore diameter of 0.2 ?m is within a range of 10.5 to 33.1.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: January 5, 2021
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Ryosuke Ohsawa, Akira Tsujiko, Kaoru Inoue
  • Patent number: 10865480
    Abstract: A vapour deposition method for preparing an amorphous lithium-containing oxide or oxynitride compound not containing phosphorous comprises providing a vapour source of each component element of the compound, including at least a source of lithium, a source of oxygen, a source of nitrogen in the case of an oxynitride compound, and a source or sources of one or more glass-forming elements; heating a substrate to substantially 180° C. or above; and co-depositing the component elements from the vapour sources onto the heated substrate wherein the component elements react on the substrate to form the amorphous compound.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: December 15, 2020
    Assignees: Ilika Technologies Limited, Toyota Motor Corporation
    Inventors: Brian Elliott Hayden, Duncan Clifford Alan Smith, Christopher Edward Lee, Alexandros Anastasopoulos, Chihiro Yada, Laura Mary Perkins, David Michael Laughman
  • Patent number: 10862110
    Abstract: A composite including: at least one selected from a silicon oxide of the formula SiO2 and a silicon oxide of the formula SiOx wherein 0<x<2; and graphene, wherein the silicon oxide is disposed in a graphene matrix.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: December 8, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Inhyuk Son, Jonghwan Park, Jaejun Chang, Junhwan Ku, Xiangshu Li, Jaeman Choi
  • Patent number: 10854880
    Abstract: An all-solid-state battery including a laminated body with a cathode current collecting layer, cathode active material layer, solid electrolyte layer, anode active material layer, and anode current collecting layer in this order, and a restraining member that applies a restraining pressure to the laminated body in a laminated direction; containing a conductive material, an insulating inorganic substance, and a polymer, is in at least one of a position between the cathode active material layer and the cathode current collecting layer, and a position between the anode active material layer and the anode current collecting layer; the content of the insulating inorganic substance in the PTC layer is 10 volume % or more and 40 volume % or less; and a proportion of a particle size D90 of the insulating inorganic substance, D90, to a thickness of the PTC layer, TPTC, regarded as D90/TPTC is 0.6 or more and 1.0 or less.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: December 1, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hideyo Ebisuzaki, Hideaki Nishimura
  • Patent number: 10854884
    Abstract: A method of manufacturing a membrane electrode assembly for hydrogen fuel cells includes mixing an electrode binder with a catalyst, followed by dispersing and thermal treatment, to prepare an electrode slurry, coating release paper with the electrode slurry to produce an electrode, and bonding the release paper-coated electrode to an electrolyte membrane, followed by thermal treatment, to perform electrode-membrane bonding.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: December 1, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Sukhwan Yun
  • Patent number: 10854913
    Abstract: Provided is a solid electrolyte including electrolyte particles, wherein each of the electrolyte particles includes at least one of an O—S—O structure and an O—S—OH structure.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: December 1, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Kenji Homma, Satoru Watanabe, Tamotsu Yamamoto
  • Patent number: 10833355
    Abstract: The application provides a porous film and a lithium-ion battery. The porous film according to the present application has excellent adhesion, and the pore structure of the porous film can still be well maintained after being immersed in the electrolyte, thereby reducing the probability of pore blockage of the porous film and allowing the lithium-ion battery to have high ionic conductivity. Therefore, the rate performance of the lithium-ion battery is greatly improved, and the lithium-ion battery provided has excellent rate performance and cycle performance.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: November 10, 2020
    Assignee: Ningde Amperex Technology Limited
    Inventors: Jianjian Yi, Xinzhi Zhang, Zengbin Wei, Xinghua Tao
  • Patent number: 10833318
    Abstract: In an aspect, an electrode for an electrochemical cell comprises: a structure having a nano- or micro-architected three-dimensional geometry; said structure comprising one or more active carbon allotrope materials; wherein said structure is characterized by an average density less than or equal to 2.3 g cm?3 and an average specific strength (strength-to-density ratio) greater than or equal to 0.004 GPa g?1 cm3. Also disclosed herein are methods for making an electrode for an electrochemical cell, and methods for making an electrochemical cell.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: November 10, 2020
    Assignee: California Institute of Technology
    Inventors: Julia R. Greer, Andrey Vyatskikh, John S. Thorne, Akira Kudo, Kai Narita, Michael A. Citrin, Xuan Zhang
  • Patent number: 10825614
    Abstract: An energy harvesting device includes: a first nanoporous electrode and a second nanoporous electrode, each of which is configured to which store electrical charge; a first current collector connected to the first nanoporous electrode and a second current collector connected to the second nanoporous electrode; and an enclosure that contains the first and second nanoporous electrodes and the first and second current collectors and transfers a force applied from the outside to the first nanoporous electrode and the second nanoporous electrode, wherein at least one of the first nanoporous electrode and the second nanoporous electrode comprises an ion conductive polymer.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: November 3, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., THE PENN STATE RESEARCH FOUNDATION
    Inventors: Kyounghwan Choi, Qiming Zhang, Yue Zhou, Qing Wang, Qi Li
  • Patent number: 10811729
    Abstract: A nonaqueous electrolyte secondary battery includes a positive electrode including a positive electrode mix layer, a negative electrode including a negative electrode mix layer, and a nonaqueous electrolyte containing a nonaqueous solvent. A surface of the negative electrode mix layer is provided with grooves. The nonaqueous electrolyte contains 10 volume percent or more of a fluorinated solvent with respect to the volume of the nonaqueous solvent and has a viscosity (25° C.) of 3.50 mPa·s or more as measured with a differential pressure viscometer.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: October 20, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tomoki Tsuji, Masahiro Shiraga, Manabu Takijiri, Takayuki Shirane, Hiroyuki Fujimoto
  • Patent number: 10793513
    Abstract: The present disclosure relates to a process for separation of enantiomers of the amino acid from a racemic mixture. The process comprises electrolyzing the first electrolyte having 1 molar solution of lithium perchlorate and 0.01 molar solution of racemic mixture of amino acid in an electrochemical cell containing a working electrode having polycrystalline metal surface configured to adsorb L-enantiomer of amino acid using a saw-tooth current. Further, the polarity of the saw-tooth current is reversed to de-adsorb the L-enantiomer of amino acid from the working electrode into the second electrolyte re-filled in the cell. The process of the present disclosure to separate enantiomer of amino acid from a racemic mixture is simple and economical.
    Type: Grant
    Filed: February 25, 2017
    Date of Patent: October 6, 2020
    Assignee: SRM UNIVERSITY
    Inventors: Harinipriya Seshadri, Samanwita Pal, Deepak Kumar
  • Patent number: 10777814
    Abstract: A positive electrode active material of the present invention is used for a positive electrode for a lithium-ion secondary battery and includes a positive electrode active material particle A expressed by General Formula (A): Li?NixCoyMn(1?x?y)O2 (where 0<??1.15, 0.7?x?0.9, 0<y?0.2, and 0<(1?x?y)); and one kind or two or more kinds of positive electrode active material particles B selected from a positive electrode active material particle B1 expressed by General Formula (B1): Li?NiaCobAl(1?a?b)O2 (where 0<??1.15, 0.7?a?0.9, 0<b?0.2, and 0<(1?a?b)), a positive electrode active material particle B2 expressed by General Formula (B2): Li?NiaCobMn(1?a?b)O2 (where 0<??1.15, 0.2?a?0.6, 0<b?0.8, and 0<(1?a?b)), a positive electrode active material particle B3 expressed by General Formula (B3): Li?+?Mn(2?a??)MeaO4 (where 0<??1.0, 0???0.3, 0?a?0.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: September 15, 2020
    Assignee: Envision AESC Energy Devices Ltd.
    Inventor: Masaaki Matsuu
  • Patent number: 10741831
    Abstract: A method for producing a positive electrode for a nonaqueous electrolyte secondary battery includes forming a positive electrode mixture layer on a positive electrode core, the positive electrode mixture layer containing hollow positive electrode active material particles having a BET specific surface area X of 1.5 m2/g or more; and compressing the positive electrode mixture layer. The ratio of the BET specific surface area Y of the positive electrode active material particles after the compression to the BET specific surface area X (Y/X) is between 1.05 and 1.35.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: August 11, 2020
    Assignee: SANYO Electric Co., Ltd.
    Inventor: Kazuya Hashimoto
  • Patent number: 10741820
    Abstract: A rechargeable battery includes an electrode assembly and first and second lead tabs. The electrode assembly includes at least one separator between a first electrode and a second electrode. The first and second lead tabs are respectively connected to the first and second electrodes and are drawn out of a case. The electrode assembly includes a first assembly having a first length in a first direction and a second assembly having a second length in the first direction shorter than the first length. The first assembly includes at least one first uncoated tab protruding from the first electrode and connected to the first lead tab, and at least one second uncoated tab protruding from the second electrode and connected to the second lead tab. The second assembly includes the at least one second uncoated tab.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: August 11, 2020
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Sungyong Kim, Eun-Young Goh, Sangin Park, Jinseon Shin, Jongki Lee, Jiwoon Lee, Jinhyon Lee
  • Patent number: 10734633
    Abstract: A high energy density rechargeable metal-ion battery includes an anode energy layer, a cathode energy layer, a separator for separating the anode and the cathode energy layers, an anode current collector for transferring electrons to and from the anode energy layer, the battery characterized by a maximum safe voltage for avoiding overcharge, and an interrupt layer that interrupts current within the battery upon exposure to voltage in excess of the maximum safe voltage. The interrupt layer is between the anode energy layer and current collector. When unactivated, it is laminated to the cathode current collector, conducting current therethrough. When activated, the interrupt layer delaminates from the anode current collector, interrupting current therethrough.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: August 4, 2020
    Assignee: American Lithium Energy Corporation
    Inventor: Jiang Fan
  • Patent number: 10727495
    Abstract: A nitrogen-containing carbon material containing a nitrogen atom, a carbon atom, and a metal element X, in which the atomic ratio (N/C) of the nitrogen atom to the carbon atom is 0.005 to 0.3, the content of the metal element X is 0.1 to 20% by mass, and the average particle diameter is 1 to 300 nm.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: July 28, 2020
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Takeo Ichihara, Hidenori Hinago, Saya Tanaka
  • Patent number: 10727486
    Abstract: The present invention relates to an oxyhalide electrochemical cell comprising an anode of a Group IA metal and a cathode of a composite material prepared from a first electrochemically active carbonaceous material and a second electrochemically non-active carbonaceous material. The cathode material of the present invention provides increased discharge capacity compared to traditional lithium oxyhalide cells. In addition, the cathode material of the present invention is chemically stable which makes it particularly useful for applications that require increased rate capability in extreme environmental conditions such as those found in oil and gas exploration.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: July 28, 2020
    Assignee: Electrochem Solutions, Inc.
    Inventors: Arden P. Johnson, Yufei Wang
  • Patent number: 10714752
    Abstract: An anode material for a lithium ion battery, comprising an oxygen-containing carbon where oxygen is in the form of functional groups, the oxygen being distributed gradient from the surface to the inside of the carbon, and the carbon having an interlayer space d002 larger than 0.3357 nm; and a porous graphene layer covering the oxygen-containing carbon, the graphene being in the form of monolayer or few-layer graphene.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: July 14, 2020
    Assignees: NEC Corporation, University of Hyogo
    Inventors: Qian Cheng, Noriyuki Tamura, Yoshiaki Matsuo
  • Patent number: 10680232
    Abstract: The present invention relates to an electrode and a method for manufacturing the electrode, which are for maintaining the uniformity of the thickness of an electrode coating layer in the electrode. In addition, the present invention is characterized by including a preparation step for preparing an electrode foil, an attachment step for attaching an adhesive member onto a portion of the electrode foil, a coated part formation step for coating an active material onto the electrode foil, and an uncoated part formation step for forming an uncoated part on the electrode foil by removing the adhesive member along with the active material coated onto the adhesive member.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: June 9, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Eun Bee Kim, Ji Young Kim, Hye Yeong Sim, Jung Pil Lee, Hye Ri Jung
  • Patent number: 10651512
    Abstract: Provided is an alkali metal-sulfur cell comprising: (a) a quasi-solid cathode containing about 30% to about 95% by volume of a cathode active material (a sulfur-containing material), about 5% to about 40% by volume of a first electrolyte containing an alkali salt dissolved in a solvent (but no ion-conducting polymer dissolved therein), and about 0.01% to about 30% by volume of a conductive additive wherein the conductive additive, containing conductive filaments, forms a 3D network of electron-conducting pathways such that the quasi-solid electrode has an electrical conductivity from about 10?6 S/cm to about 300 S/cm; (b) an anode; and (c) an ion-conducting membrane or porous separator disposed between the anode and the quasi-solid cathode; wherein the quasi-solid cathode has a thickness from 200 ?m to 100 cm and a cathode active material having an active material mass loading greater than 10 mg/cm2.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: May 12, 2020
    Assignee: Global Graphene Group, Inc.
    Inventors: Aruna Zhamu, Bor Z. Jang
  • Patent number: 10644306
    Abstract: A lithium secondary battery comprises a cathode active material including a first cathode active material particle having a concentration gradient region and a second cathode active material particle having a single particle structure, to obtain improved electrical performance and mechanical stability.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: May 5, 2020
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Young Hoon Do, Yong Hyun Cho, Min Gu Kang, Soo Ho Kim
  • Patent number: 10637116
    Abstract: Disclosed is an air cell with higher energy density than before. An air cell comprises an electrolyte solution containing a potassium hydroxide solution having a pH of 17.3 or more under a temperature condition of 23° C., an anode containing iron, and a cathode.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: April 28, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Hiroshi Suyama
  • Patent number: 10637045
    Abstract: A composite electrode is provided having a collector, the collector is coated with an electrode composition containing an active electrode material, a binding agent, and a conductivity additive such as conductive carbon black. The electrode composition has a concentration gradient along the direction of the electrode thickness in respect of the active electrode material and the conductivity additive, with the concentration gradient of the active electrode material increasing toward the collector, and the concentration gradient of the conductivity additive and the binder decreasing toward the collector. Two different methods of producing the composite electrode are also provided. A lithium-ion battery is further provided which includes a composite electrode having a collector, the collector is coated with an electrode composition containing an active electrode material, a binding agent, and a conductivity additive.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: April 28, 2020
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Thomas Woehrle, Matthias Tschech, Thomas Hoefler, Sung-Jin Kim, Sebastian Scharner, Jens Vetter, Jan-Oliver Roth, Tobias Zeilinger, Matthias Wagner
  • Patent number: 10625589
    Abstract: A battery mounting structure to enhance rigidity of a vehicle body without increasing a vehicle weight is provided. The battery mounting structure comprises a pair of frame members extending longitudinally and a battery pack an all-solid battery having a cell stack. The battery pack is disposed between the frame members. The battery pack is connected to the frame member through a connection member.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: April 21, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yasuhiro Hara, Seigo Fujishima, Masayoshi Ishikawa, Masayuki Kitaura
  • Patent number: 10622619
    Abstract: The negative electrode plate includes at least a negative electrode composite material layer. The negative electrode composite material layer has a density of 1.5 g/cm3 or more. The negative electrode composite material layer contains at least first particles, second particles and a binder. The first particles contain graphite particles and an amorphous carbon material. The amorphous carbon material is coated on the surface of each graphite particle. The second particles are made of silicon oxide. The ratio of the second particles to the total amount of the first particles and the second particles is 2 mass % or more to 10 mass % or less. The negative electrode plate has a spring constant of 700 kN/mm or more to 3000 kN/mm or less.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: April 14, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Akira Tsujiko, Ryosuke Ohsawa, Kaoru Inoue, Akihiro Taniguchi, Keisuke Ohara
  • Patent number: 10614965
    Abstract: An electrode of an energy storage device and methods of fabrication are provided which include: pyrolyzing a carbon-containing precursor to form a stabilized-carbonized material; and annealing the stabilized-carbonized material to form a structurally-modified activated carbon material. The structurally-modified activated carbon material includes a tunable pore size distribution and an electrochemically-active surface area. The electrochemically-active surface area of the structurally-modified activated carbon material is greater than a surface area of graphene having at least one layer, the surface area of the graphene having at least one layer being about 2630 m2 g?1.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: April 7, 2020
    Assignee: Clarkson University
    Inventors: David Mitlin, Jesse Pokrzywinski
  • Patent number: 10608244
    Abstract: A lithium ion secondary battery having more improved cycle characteristics is provided. The present invention relates to a lithium ion secondary battery having a negative electrode comprising a graphite and a silicon oxide having a composition represented by SiOx (0<x?2), wherein AG/AS is within a range of 0.6 or more and 1.6 or less when a particle number average aspect ratio of the graphite is defined as AG and a particle number average aspect ratio of the silicon oxide is defined as AS.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: March 31, 2020
    Assignee: NEC Corporation
    Inventor: Takeshi Azami
  • Patent number: 10601033
    Abstract: A high-capacity and a high-performance rechargeable battery is provided by forming a rechargeable battery stack that includes a spalled material structure that includes a spalled cathode material layer that has at least one textured surface and a stressor layer that has at least one textured surface. The stressor layer serves as a cathode current collector of the rechargeable battery stack. The at least one textured surface of the spalled cathode material layer forms a large interface area between the cathode and electrolyte which is formed above the spalled cathode material layer. The large interface area between the cathode and the electrolyte reduces interface resistance within the rechargeable battery stack.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: March 24, 2020
    Assignee: International Business Machines Corporation
    Inventors: Yun Seog Lee, Stephen W. Bedell, Joel P. de Souza, Devendra K. Sadana
  • Patent number: 10601050
    Abstract: An electrode for a cell includes a resin current collector that is planate and contains a resin and an electrically conductive filler, and an electrode active material layer that is disposed on at least one surface side of the resin current collector and that contains electrode active material particles. The resin current collector includes an electrically conductive layer on its surface side facing the electrode active material layer, the electrically conductive layer having configuration with recesses and projections. This configuration with recesses and projections satisfies the relationship given by formula (1): h/tan ?<D, in which h is the average height of the configuration with recesses and projections, ? is the average inclination angle of the configuration with recesses and projections, and D is the average particle diameter of the electrode active material particles. A cell includes the electrode for a cell described above.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: March 24, 2020
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Kazuki Arihara, Takamasa Nakagawa, Hideaki Horie, Yuuki Kusachi, Masanori Koike, Masatoshi Okura
  • Patent number: 10581079
    Abstract: Disclosed is a positive active material composition that includes a positive active material and an additive represented by the following Chemical Formula 1. L1-A1-L2-A2-L3-A3-(L5-A5)n-L4-A4??[Chemical Formula 1] In Chemical Formula 1, each substituent is the same as described in the detailed description.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: March 3, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventor: Dae-Sik Kim
  • Patent number: 10573890
    Abstract: A cathode material for a lithium-ion secondary battery including: granulated bodies in which primary particles are aggregated, wherein an average particle diameter of the granulated bodies is 0.90 ?m or more and 2.00 ?m or less, particle diameters of 90% or more of the granulated bodies are 0.25 ?m or more and 3.50 ?m or less, wherein particle diameters of the granulated bodies are evaluated such that 300 granulated bodies are randomly selected from a view of the granulated bodies using a scanning electron microscope, a plurality of diameters of each of the 300 granulated bodies that pass through a central point thereof are evaluated, and a maximum diameter selected from said plurality of diameters is considered as a particle diameter of each of the granulated bodies.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: February 25, 2020
    Assignee: SUMITOMO OSAKA CEMENT CO., LTD.
    Inventors: Masataka Oyama, Ryuuta Yamaya, Takao Kitagawa
  • Patent number: 10573927
    Abstract: The present invention provides an electrode which is a zinc anode or an electrode of any other type, and ensures good durability and sufficiently high ion conductivity, and sufficiently improves the cell performance when used in a cell, and also provides its precursor. The present invention relates to an electrode which includes a current collector and an active material layer containing an active material, and further includes a specific anion conducting material or a specific solid electrolyte.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: February 25, 2020
    Assignee: Nippon Shokubai Co., Ltd.
    Inventors: Satoshi Ogawa, Koji Yonehara, Hiroko Harada, Yasuyuki Takazawa, Hironobu Ono
  • Patent number: 10566656
    Abstract: An all-solid-state battery includes: a cathode substrate; a cathode portion; a solid electrolyte layer; an anode portion; and an anode substrate. The cathode portion includes a cathode active material, a first solid electrolyte, a conductive material, and a binder, the anode portion is configured by a first anode portion having a pore structure and a second anode portion having metal foil, and the first anode portion includes a second solid electrolyte, a conductive material, and a binder.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: February 18, 2020
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Dong Hul Kim, Sang Jin Park, Sung Hoon Lim, Shin Kook Kong, Sang Heon Lee, Sang Mok Park, Hong Seok Min
  • Patent number: 10559851
    Abstract: A magnesium battery electrolyte with a wide electrochemical window was developed. The electrolyte includes an organic boron magnesium salt and an aprotic polar solvent. The organic boron magnesium salt is an organic boron magnesium salt complex formed by compounding a Lewis acid with a boron center and a magnesium-containing Lewis base R?2-nMgXn, wherein n is 0 or 1, R and R? respectively represent a fluoroaryl group, an alkylated aryl group, an aryl group, an alkyl group, or a pyrrolidinyl group, and X represents a halogen. The solvent is an aprotic polar solvent such as ether or a mixed solvent thereof. The concentration of the electrolyte is 0.25 to 1 mol/L, and the electric conductivity is 0.5 to 10 mS/cm. The electrolyte allows reversible deposition/dissolution of magnesium, features good cycling stability, and has a wide electrochemical window (>3.0V vs. Mg/Mg2+).
    Type: Grant
    Filed: July 30, 2012
    Date of Patent: February 11, 2020
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, SHANGHAI JIAO TONG UNIVERSITY
    Inventors: Jun Yang, Yongsheng Guo, Fan Zhang, Feifei Wang
  • Patent number: 10553902
    Abstract: A nonaqueous electrolyte secondary battery insulating porous layer usable as a member of a nonaqueous electrolyte secondary battery having an excellent cycle characteristic is provided. A nonaqueous electrolyte secondary battery insulating porous layer includes a thermoplastic resin, porosity of the nonaqueous electrolyte secondary battery insulating porous layer being not less than 25% and not more than 80%, and a ratio of a displacement amount of the nonaqueous electrolyte secondary battery insulating porous layer at tenth loading-unloading cycle to a displacement amount of the nonaqueous electrolyte secondary battery insulating porous layer at fiftieth loading-unloading cycle being not less than 100% and less than 115%.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: February 4, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kosuke Kurakane, Chikara Murakami
  • Patent number: 10530011
    Abstract: Ion transport in electrochemical cells or energy storage devices may take place in metal salt-based electrolytes. The metal salt-based electrolytes may comprise high doping metal salt formulations. Electrochemical cells or energy storage devices comprising metal salt-based electrolytes may be used as single-use or rechargeable power sources.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: January 7, 2020
    Assignee: IMPRINT ENERGY, INC.
    Inventors: John Devin MacKenzie, Christine Ho, Karthik Yogeeswaran, Greg Roberts, Chaojun Shi
  • Patent number: 10522874
    Abstract: A solid state battery system and methods of forming a solid state battery system. The solid state battery system has a plurality of fiber battery cells formed into a pattern. Each fiber battery cell has a fiber inner core which may be a carbon-graphite, carbon-nanotube, boron-nanotube or boron-nitride-nanotube fiber and serves as the anode. In addition, the fiber battery cell has an electrolyte layer formed over the fiber inner core and an outer conductive layer (the cathode) formed over the electrolyte layer. A first terminal is electrically coupled to the fiber inner core of each of the plurality of fiber battery cells. A second terminal is electrically coupled to the outer conductive layer of each of the plurality of fiber battery cells. The solid state battery system may be incorporated into a composite part for a vehicle, such as an aircraft.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: December 31, 2019
    Assignee: THE BOEING COMPANY
    Inventor: Daniel Park
  • Patent number: 10522834
    Abstract: A multiple-element composite material for negative electrodes, a preparation method therefor, and a lithium-ion battery using the negative electrode material. The lithium-ion battery uses multiple-element composite material for negative electrodes has a core-shell structure containing multiple shell layers. The inner core consists of graphite and nano-active matter coating the surface of the graphite. The outer layers of the inner core are in order: the first shell layer is of an electrically conductive carbon material, the second shell layer is of a nano-active matter, and the third shell layer is an electrically conductive carbon material coating layer.
    Type: Grant
    Filed: August 17, 2015
    Date of Patent: December 31, 2019
    Assignee: Shenzhen BTR New Energy Materials Inc.
    Inventors: Min Yue, Peng He, Sheng Li, Jianguo Ren, Youyuan Huang
  • Patent number: 10516154
    Abstract: Disclosed is a positive electrode for a lithium secondary battery which uses a positive electrode active material containing secondary particles with a relatively weak particle strength to improve the adhesion between a positive electrode mixture layer and a current collector, and the positive electrode includes a positive electrode current collector; a primer coating layer including a first polymer binder and a first conductive material, having surface roughness (Ra) of 85 nm to 300 nm and formed on at least one surface of the positive electrode current collector; and a positive electrode mixture layer formed on an upper surface of the primer coating layer and including a positive electrode active material containing secondary particles with a compressive breaking strength of 1 to 15 MPa, a second polymer binder and a second conductive material.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: December 24, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Jong-Heon Seol, Jin-Young Son, Hyung-Suk Cho, Sin-Young Jung, Yoon-Jung Choi, Yo-Jin Kim, Je-Young Kim, Sung-Joon Park, Jung-Keun Yoo, Sang-Hoon Choy
  • Patent number: 10505239
    Abstract: Provided is a battery pack having a plurality of single cells connected to one another, the battery pack being capable of preventing a temperature elevation caused by a short-circuit current that is generated when a sharp conductive foreign matter penetrates each of the single cells. In the battery pack disclosed herein, the single cells are arranged alternately adjacent to one another, and these adjacent single cells are electrically connected in series, and layered electrode bodies of these single cells have the following configurations. Among positive electrode sheets and negative electrode sheets, a negative electrode sheet is disposed on the uppermost stream side, and an endothermic agent is disposed as a layer between this negative electrode sheet and a positive electrode sheet. A negative electrode sheet is disposed on the lowermost stream side, and an endothermic agent is disposed as a layer between this negative electrode sheet and an inner surface of a battery case.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: December 10, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Masaki Kato
  • Patent number: 10505218
    Abstract: A positive electrode in a lithium secondary battery includes an insulating tape that covers a welded part between a positive electrode tab and a positive electrode current collector-exposed surface. The insulating tape has a multilayer structure including an organic material layer, a composite material layer containing an organic material and an inorganic material, and an adhesive layer. The inorganic material in the composite material layer accounts for 20% or more of the weight of the composite material layer.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: December 10, 2019
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Takeshi Ishikawa, Tomoki Shiozaki, Mineyasu Aoto
  • Patent number: 10487033
    Abstract: A lithium battery comprising a plurality of electrochemical cells assembled together and a rigid casing forming an enclosure. The plurality of electrochemical cells includes: at least one first electrochemical cell, at least one second electrochemical cell; and at least one third electrochemical cell disposed between the at least one first electrochemical cell and the at least one second electrochemical cell. The at least one first electrochemical cell is disposed between a first wall of the casing and the at least one third electrochemical cell. The at least one second electrochemical cell is disposed between a second wall of the casing and the at least one third electrochemical cell. The first and second walls provide a heat sink path to dissipate excess heat generated by the plurality of electrochemical cells. The at least one first and second electrochemical cells are more capacitive than the at least one third electrochemical cell.
    Type: Grant
    Filed: December 11, 2016
    Date of Patent: November 26, 2019
    Assignee: BLUE SOLUTIONS CANADA INC.
    Inventors: Thierry Guena, Cedric Reboul-Salze, Patrick Leblanc, Frederic Cotton, Alain Vallee
  • Patent number: 10476103
    Abstract: An electrode for a battery cell, including an active material which contains silicon and which contains a first polymer which is ionically conductive. The active material contains in this case a copolymer, which includes the first polymer and a second polymer, the second polymer being electrically conductive. A battery cell which includes at least one electrode is also described.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: November 12, 2019
    Assignee: Robert Bosch GmbH
    Inventors: Bernd Schumann, Pallavi Verma
  • Patent number: 10468716
    Abstract: A solid silicon secondary battery, by substitutions of silicon for lithium, enables decreasing of preparations cost and minimizing of environmental pollutions. By laminate pressing multiple times a positive or negative electrode material, the present invention enables increasing of the density of a positive or negative electrode active material, thereby increasing current density and capacity. By having mesh plates equipped inside the positive electrode active material and the negative electrode active material, the present invention enables effective moving of electrons. By enabling common use of an electrode, of a silicon secondary battery, connected during a serial connections of the silicon secondary battery, the present invention enables decreasing of the thickness of a silicon secondary battery assembly and increasing of output voltage. By being integrally formed with a PCB or a chip and supplying a power source, the present invention functions as a backup power source for instant discharging.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: November 5, 2019
    Assignee: REKRIX CO., LTD.
    Inventors: Byung Hoon Ryu, Jae Kyung Kong
  • Patent number: 10461309
    Abstract: A method for manufacturing an electrode is provided. A composite including a carrier layer and a collector layer disposed thereon is provided. The collector layer has a first surface and an opposite second surface, and the first surface of the collector layer faces to the carrier layer. A first coating process is performed to coat first electrode material on the second surface of the collector layer. A first curing process is performed to dry the first electrode material. The carrier layer is removed after the first electrode material is dried to expose the first surface of the collector layer. A second coating process is performed to coat a second electrode material on the first surface of the collector layer. A material of the second electrode material is same with that of the first electrode material. A second curing process is performed to dry the second electrode material.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: October 29, 2019
    Assignee: ASUSTeK COMPUTER INC.
    Inventor: Yu-Kuang Chen
  • Patent number: 10461361
    Abstract: A nonaqueous electrolyte secondary battery insulating porous layer which has an excellent discharge output characteristic is provided. The insulating porous layer is arranged such that an aspect ratio of a projection image of an inorganic filler at a surface of the insulating porous layer is in a range of 1.4 to 4.0 and respective peak intensities I(hkl) and I(abc) of any diffraction planes (hkl) and (abc) of the insulating porous layer satisfy the following Formula (1). The peak intensities obtained from the diffraction planes (hkl) and (abc) orthogonal to each other are measured using a wide-angle X-ray diffraction method, and a maximum value of the peak intensity ratio is in a range of 1.5 to 300 when calculated by the following Formula (2): I(hkl)>I(abc)??(1) I(hkl)/I(abc)??(2).
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: October 29, 2019
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ichiro Arise, Chikara Murakami
  • Patent number: 10454141
    Abstract: Provided is a method of preparing an alkali-sulfur cell comprising: (a) combining a quantity of an active material, a quantity of an electrolyte containing an alkali salt dissolved in a solvent, and a conductive additive to form a deformable and electrically conductive electrode material, wherein the conductive additive, containing conductive filaments, forms a 3D network of electron-conducting pathways; (b) forming the electrode material into a quasi-solid electrode (the first electrode), wherein the forming step includes deforming the electrode material into an electrode shape without interrupting the 3D network of electron-conducting pathways such that the electrode maintains an electrical conductivity no less than 10?6 S/cm; (c) forming a second electrode (the second electrode may be a quasi-solid electrode as well); and (d) forming an alkali-sulfur cell by combining the quasi-solid electrode and the second electrode having an ion-conducting separator disposed between the two electrodes.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: October 22, 2019
    Assignee: Global Graphene Group, Inc.
    Inventors: Aruna Zhamu, Bor Z. Jang
  • Patent number: 10454106
    Abstract: Disclosed herein are double-layer cathode active materials comprising a nickel-based cathode active material as an inner layer material and a transition metal mixture-based cathode active material as an outer layer material facing an electrolyte. Since the nickel-based cathode active material as an inner layer material has high-capacity characteristics and the transition metal mixture-based cathode active material as an outer layer material facing an electrolyte has superior thermal safety, the double-layer cathode active materials have high capacity, high charge density, improved cycle characteristics and superior thermal safety.
    Type: Grant
    Filed: April 26, 2005
    Date of Patent: October 22, 2019
    Assignee: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Yang Kook Sun, Myung Hoon Kim, Shin Ho Suk
  • Patent number: 10446873
    Abstract: In one example, a battery includes a cathode, an anode, and a layer between the cathode and the anode. The cathode includes a solid-state electrolyte. The layer between the cathode and the anode is a solid-state electrolyte layer.
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: October 15, 2019
    Assignee: Intel Corporation
    Inventors: Naoki Matsumura, Andrew Keates