Patents Examined by Ankith R Sripathi
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Patent number: 12191501Abstract: Methods of making an anode for a lithium-based energy storage device such as a lithium-ion battery are disclosed. Methods may include providing a current collector. The current collector may include an electrically conductive layer and a surface layer overlaying over the electrically conductive layer. The surface layer may have an average thickness of at least 0.002 ?m. The surface layer may include a metal chalcogenide including at least one of sulfur or selenium. Methods may include depositing a continuous porous lithium storage layer onto the surface layer by a PECVD process. The continuous porous lithium storage layer may have an average thickness in a range of 4 ?m to 30 ?m and comprises at least 85 atomic % amorphous silicon.Type: GrantFiled: February 16, 2023Date of Patent: January 7, 2025Assignee: Graphenix Development, Inc.Inventors: John C. Brewer, Paul D. Garman, Kevin Tanzil
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Patent number: 12183876Abstract: A battery includes a cathode compartment, a catholyte solution disposed within the cathode compartment, an anode compartment, an anolyte solution disposed within the anode compartment, a separator disposed between the cathode compartment and the anode compartment, and a flow system configured to provide fluid circulation in the cathode compartment and the anode compartment. The catholyte solution and the anolyte solution have different compositions.Type: GrantFiled: June 13, 2019Date of Patent: December 31, 2024Assignee: RESEARCH FOUNDATION OF THE CITY UNIVERSITY OF NEW YORKInventors: Gautam G. Yadav, Jinchao Huang, Damon Turney, Michael Nyce, Alexander Couzis, Valerio Deangelis, Sanjoy Banerjee, Xia Wei
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Patent number: 12160001Abstract: The present invention relates to a binder for an anode for a secondary battery, an anode including the binder, and a secondary battery including the anode. More particularly, the present invention relates to a binder for an anode for a secondary battery that has excellent heat resistance and mechanical properties and an improved binding force because a copolymer is used for the binder, and an anode for a secondary battery. In addition, expansion and shrinkage of the anode may be efficiently suppressed, such that charge and discharge life characteristics and performance of the secondary battery may be improved.Type: GrantFiled: November 29, 2021Date of Patent: December 3, 2024Assignee: SK On Co., Ltd.Inventors: Joon-Sup Kim, Gwi Ok Park, Ji Sang Jeong, Min Kyung Seon, Dong Gun Lee, Sun Young Kim
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Patent number: 12119504Abstract: An energy storage device and a power consuming apparatus are provided in the disclosure. In the energy storage device, a top cover defines an opening, a response member covers the opening, a lower plastic member includes a grid structure, the grid structure defines vent holes, and the vent holes are in communication with the opening. A current collecting member includes a first connecting portion and a second connecting portion. The first connecting portion is connected to a terminal, and the second connecting portion is connected to an electrode assembly. Welding protrusions are provided on a surface of the second connecting portion, and the second connecting portion at least partially shelters the grid structure. The grid structure defines a dented avoidance space, and the welding protrusions are accommodated in the avoidance space.Type: GrantFiled: November 29, 2023Date of Patent: October 15, 2024Assignees: Shenzhen Hithium Energy Storage Technology Co., Ltd., Xiamen Hithium Energy Storage Technology Co., Ltd.Inventors: Wenyang Zhou, Yongfeng Xiong, Feng Wang
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Patent number: 12113188Abstract: A vehicle battery pack includes a plurality of battery cells each including a terminal and a casing accommodating the plurality of battery cells. The casing includes: a casing body made of resin, the casing body including an opening through which the plurality of battery cells is inserted and removed and at least one exposure hole through which the terminals are exposed outside the casing body; a cover closing the opening; and at least one radiating fin member made of metal and secured to the casing body, the radiating fin member covering the exposure hole of the casing body and facing the terminals.Type: GrantFiled: March 19, 2020Date of Patent: October 8, 2024Assignee: KAWASAKI MOTORS, LTD.Inventor: Hiroshi Takeuchi
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Patent number: 12074342Abstract: A battery module includes a cell stack formed by stacking a plurality of battery cells; a bus bar frame assembly including a bus bar frame configured to cover one longitudinal end and the other longitudinal end of the cell stack and a plurality of bus bars fixed on the bus bar frame and electrically connected to the battery cells; and a FPCB assembly including a first FPCB extending along a longitudinal direction of the cell stack to cover at least a portion of an upper surface of the cell stack, a second FPCB extending from both longitudinal ends of the first FPCB and electrically connected to the bus bars, and a pair of temperature sensors mounted to both longitudinal ends of the first FPCB.Type: GrantFiled: December 18, 2019Date of Patent: August 27, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Jong-Ha Jeong, Do-Hyun Park, Young-Ho Lee, Jung-Min Kwak, Jae-Hyun You
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Patent number: 12068477Abstract: A method of forming a solid-state lithium ion rechargeable battery may include depositing a metal layer onto a top surface of a substrate, depositing a handle layer onto a top surface of the metal layer, wherein a portion of the handle layer overlaps the metal layer and the substrate, spalling a portion of the substrate thereby forming a spalled substrate layer, porosifying the spalled substrate layer thereby forming a porous substrate layer, depositing an electrolyte layer onto a top surface of the porous substrate layer, wherein the electrolyte layer is in direct contact with the porous substrate layer, and depositing a cathode onto a top surface of the electrolyte layer. The method may include depositing a cathode contact layer onto a top surface of the cathode, wherein the cathode contact layer is in direct contact with the cathode. The porous substrate layer may be made of silicon.Type: GrantFiled: November 11, 2019Date of Patent: August 20, 2024Assignee: International Business Machines CorporationInventors: Devendra K. Sadana, Stephen W. Bedell, Joel P. de Souza, John Collins
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Patent number: 12062816Abstract: Provided are a lithium primary battery in which a structure of an electrode closely related to output characteristics of the battery is improved to expand a reaction area, thus improving the output characteristics of the battery, and a method for manufacturing the lithium primary battery.Type: GrantFiled: November 20, 2019Date of Patent: August 13, 2024Assignee: VITZROCELL CO. LTD.Inventors: Chae-Bong Lee, Se-Yong Park, Ji-Hyeok Jang, Sung-Hoon Jung
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Patent number: 12062798Abstract: The disclosure relates to a power battery and a battery module. The power battery includes: a case including an opening; a first cap assembly covering the opening and including a liquid injection hole, and an electrode assembly disposed in the case. An end of the electrode assembly extending out of a tab is disposed opposite to the first cap assembly.Type: GrantFiled: September 28, 2022Date of Patent: August 13, 2024Assignee: Contemporary Amperex Technology Co., LimitedInventors: Yong Zhou, Zhijun Guo, Peng Wang
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Patent number: 12062783Abstract: A positive electrode plate, a secondary battery, a battery module, a battery pack, and an electrical device are disclosed. The positive electrode plate includes a positive current collector, and a positive active material layer disposed on at least one surface of the positive current collector. The positive active material layer includes a first active material layer and a second active material layer that are sequentially stacked in a direction away from the surface. The first active material layer includes a first composite particle. The first composite particle includes a first lithium iron phosphate particle and a first carbon layer that coats a surface of the first lithium iron phosphate particle. The second active material layer includes a second composite particle. The second composite particle includes a second lithium iron phosphate particle and a second carbon layer that coats a surface of the second lithium iron phosphate particle.Type: GrantFiled: June 8, 2023Date of Patent: August 13, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Jingjing Pu, Yanying Wu, Xinghui Wang
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Patent number: 12062799Abstract: A power source for a micro-device is provided. The power source may include a cup, a lid and electrolytes. The cup may be formed of a hard metal material and walls of the cup may define a cavity. An opening in the cup may provide access to the cavity and a surface of the cavity may be deposited with one of an anode or cathode material. The lid may be formed of a hard metal material, the lid may cooperate with the cup to fit into the opening closing off the cavity. The cavity may be coated with the other of the anode or cathode material. Electrolytes may be contained in the cavity.Type: GrantFiled: October 9, 2018Date of Patent: August 13, 2024Assignee: Wayne State UniversityInventors: Leela Mohana Reddy Arava, Nirul Masurkar, Babu Ganguli
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Patent number: 12057563Abstract: An electrode sheet has a first end and a second end opposite each other, and includes a current collector, active materials disposed on a first coated zone and a second coated zone, and a plurality of electrode tabs. The current collector includes a side edge, opposing first and second surfaces. The first surface includes a first coated zone and a first uncoated zone, and the second surface includes a second coated zone. At the first end, the first coated zone and the second coated zone are flush. At the second end, the first coated zone is misaligned with the second coated zone. The sum of the length of the first coated zone and the length of the first uncoated zone is equal to the length of the second coated zone. Each electrode tab is coupled to the current collector and protrudes beyond the side edge.Type: GrantFiled: March 24, 2020Date of Patent: August 6, 2024Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Zhenghuang Cai, Hai Long, Qiang Zheng
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Patent number: 12051829Abstract: Batteries including electrochemical cells, associated components, and arrangements thereof are generally described. In some aspects, batteries with housings that undergo relatively little expansion and contraction even in cases where electrochemical cells in the battery undergo a relatively high degree of expansion and contraction during charging and discharging are provided. Batteries configured to apply relatively high magnitudes and uniform force to electrochemical cells in the battery, while in some cases having high energy densities and a relatively low pack burden, are also provided. In certain aspects, arrangements of electrochemical cells and associated components are generally described. In some aspects, thermally conductive solid articles that can be used for aligning components of the battery are described. In some aspects, thermally insulating and compressible components for battery packs are generally described.Type: GrantFiled: November 19, 2020Date of Patent: July 30, 2024Assignee: Sion Power CorporationInventors: Jared M. Jennings, Mark Niedzwiecki, Ryan Michael Niccum
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Patent number: 12046708Abstract: A foldable flexible assembling of cells for a lithium-ion battery including: a separator containing an electrolyte; a series of n physically separated negative electrodes located on the first side of the separator and a series of n physically separated positive electrodes located on the second side of the separator; a first current collector including a layer covering continuously the series of negative electrodes so as to ensure electrical connection between all the negative electrodes; and a second current collector including a layer covering continuously the series of positive electrodes so as to ensure electrical connection between all the positive electrodes.Type: GrantFiled: November 3, 2017Date of Patent: July 23, 2024Assignee: RENATA SAInventors: Oussama El Baradai, Alessandro Mustaccio, Soren Fricke, Christian Bosshard
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Patent number: 12034147Abstract: A negative electrode for a lithium secondary battery including a negative electrode current collector; and a negative electrode active material layer formed on the negative electrode current collector, wherein the negative electrode active material layer includes graphite and silicon oxide, and lithium is incorporated in the negative electrode active material layer, and a method for preparing the same.Type: GrantFiled: September 19, 2018Date of Patent: July 9, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Yong Chan Kim, Ki Hwan Kim, Jeong Woo Shon, Pilsung Jo
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Patent number: 12021225Abstract: A lithium ion secondary battery according to the present disclosure includes: an electrode assembly; and a case having a structure in which upper stamped portions and lower stamped portions are repeatedly stamped to cover the outside of the electrode assembly, and the upper stamped portions and the lower stamped portions form a corrugated pattern, and the electrode assembly includes: one or more unit cells each equipped with a pair of electrodes having different polarities with a separator interposed therebetween; an electrode mixture coated on one or both surfaces of the pair of electrodes; and electrode tabs protruded from the respective electrodes and not coated with the electrode mixture, and the electrode tabs include an electrode parallel connection tab and an electrode lead connection tab, and any one or more of the electrode parallel connection tab and the electrode lead connection tab is formed on the electrodes, and the corrugated pattern has various intervals.Type: GrantFiled: November 21, 2018Date of Patent: June 25, 2024Assignee: LIBEST INC.Inventors: Joo Seong Kim, Jin Hong Ha, Gil Ju Lee
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Patent number: 12021191Abstract: Disclosed is an additive for a nonaqueous electrolyte solution, including a compound represented by the following formula (1): in formula (1), X represents a sulfonyl group or a carbonyl group, R1 represents an alkyl group having 1 to 4 carbon atoms, which may be substituted with a halogen atom, a hydroxyl group, or the like, and R2 represents a hydrocarbon group having 1 to 3 carbon atoms, which may be substituted with a halogen atom.Type: GrantFiled: October 30, 2018Date of Patent: June 25, 2024Assignee: SUMITOMO SEIKA CHEMICALS CO., LTD.Inventors: Yuki Kono, Yasuyuki Takai, Noriko Yamamoto, Koji Fujita
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Patent number: 12015141Abstract: A non-aqueous electrolyte secondary battery comprises a positive electrode, a negative electrode, a separator, and an electrolyte solution. At least part of the separator is interposed between the positive electrode and the negative electrode. The negative electrode includes a negative electrode substrate and a negative electrode active material layer. The negative electrode active material layer is placed on a surface of the negative electrode substrate. Voids are formed in the negative electrode active material layer. In a cross section parallel to a thickness direction of the negative electrode active material layer, the voids have an average equivalent circle diameter from 9.6 ?m to 35.8 ?m, an average circularity of 0.26 or more, and an area percentage from 3.1% to 30.9%.Type: GrantFiled: September 24, 2021Date of Patent: June 18, 2024Assignee: Prime Planet Energy & Solutions, Inc.Inventors: Atsushi Obayashi, Hikaru Yoshida
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Patent number: 12009504Abstract: According to one embodiment, provided is an electrode including a current collector and an active material-containing layer in contact with the current collector. The active material-containing layer contains a carbon nanotube and particles of titanium-containing oxide having an average particle size or 0.1 ?m to 3 ?m. A peel strength between the current collector and the active material-containing layer is within a range of 0.2 kN/m to 0.7 kN/m.Type: GrantFiled: February 26, 2021Date of Patent: June 11, 2024Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yasunobu Yamashita, Keigo Hoshina, Yasuhiro Harada, Norio Takami, Shinsuke Matsuno
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Patent number: 12002949Abstract: A negative electrode including: a current collector; a first negative electrode active material layer positioned on at least one surface of the current collector for a negative electrode and containing a first carbonaceous active material; and a second negative electrode active material layer positioned on a surface of the first negative electrode active material layer and containing a silicon-based active material and carbon nanotubes. A lithium secondary battery including the negative electrode is also disclosed.Type: GrantFiled: November 30, 2018Date of Patent: June 4, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Hyun-Min Kim, Min-Kyung Kim, Jong-Heon Seol, Ki-Won Sung, Myung-Ki Lee, Eun-Ju Lee, Young-Eun Choi