Patents Examined by Nathanael T Zemui
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Patent number: 11764395Abstract: An all-solid-state battery that includes a power storage part having a positive electrode layer, a negative electrode layer, and an electrolyte layer interposed between the positive electrode layer and the negative electrode layer; an internal electrode at an end surface of the power storage part; an electrode extraction part electrically connected to the internal electrode; a buffer layer covering the power storage part, the internal electrode, and a first part of the electrode extraction part; a barrier layer covering the buffer layer; and an impact-resistant layer covering the barrier layer such that a second part of the electrode extraction part extends from the impact-resistant layer.Type: GrantFiled: July 9, 2020Date of Patent: September 19, 2023Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Tomohiro Kato, Hiroe Ishihara, Kiyoshi Kumagae, Keisuke Shimizu
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Patent number: 11757126Abstract: The present invention relates to a negative electrode active material which includes a secondary particle including a first particle which is a primary particle, wherein the first particle includes a first core and a first surface layer which is disposed on a surface of the first core and contains carbon, and the first core includes a metal compound which includes one or more of a metal oxide and a metal silicate and one or more of silicon and a silicon compound; a method of preparing the same; an electrode including the same; and a lithium secondary battery including the same.Type: GrantFiled: July 22, 2021Date of Patent: September 12, 2023Assignee: LG ENERGY SOLUTION, LTD.Inventors: Jung Hyun Choi, Yong Ju Lee, Eun Kyung Kim
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Patent number: 11757090Abstract: Anode active materials for lithium secondary batteries are provided. According to embodiments of the present disclosure, an anode active material includes: i) a first composite including at least two active silicon materials having different crystal sizes and a silicon oxide (SiOx) material (wherein 0<x?2); ii) a second composite including an active silicon material having a crystal size of about 24 nm or greater and a silicon oxide (SiOx) material(wherein 0<x?2), mixed with a carbonaceous material; or a mixture or combination of (i) and (ii). A lithium secondary battery is provided including an anode including any one of the anode active materials.Type: GrantFiled: April 26, 2018Date of Patent: September 12, 2023Assignee: Samsung SDI Co., Ltd.Inventors: Deokhyun Kim, Jaehyuk Kim, Jaemyung Kim, Soonsung Suh, Hana Yoo, Yungu Cho, Heeyoung Chu
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Patent number: 11742493Abstract: An electrochemical battery is disclosed. The electrochemical battery has an electrode plate comprising a frame and a generally flat grid connected to the frame, the frame comprising at least a top frame member having a contact lug, wherein the grid comprises a plurality of grid wires and a plurality of window-like open areas between the grid wires, further comprising an active mass within the open areas and/or on the grid wires, wherein the electrode plate comprises on one outer surface or on both opposing outer surfaces of the active mass a pattern of grooves, wherein the grooves extend diagonally from a position closer to the top frame member to a position further away from the top frame member. A method for producing an electrode plate is also disclosed.Type: GrantFiled: January 17, 2022Date of Patent: August 29, 2023Assignee: Clarios Germany GMBH & CO. KGInventors: Andreas Dudenbostel, Frank Johns, Peter Porscha, Detlef Bauder
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Patent number: 11731398Abstract: Provided is a packaging material for a power storage device capable of securing excellent formability without causing pinholes and/or cracks even when deep depth forming is performed and also capable of sufficiently preventing delamination even when deep depth forming is performed or even when it is used under severe environments, such as, e.g., high temperature and high humidity. [Solving means] The packaging material for a power storage device has a configuration including a heat resistant resin layer 2 serving as an outer layer, a heat fusible resin layer 3 serving as an inner layer, and a metal foil layer 4 disposed between both the two layers. The heat resistant resin layer 2 is composed of a heat resistant resin film with a hot water shrinkage percentage of 1.5% to 12%. The heat resistant resin layer 2 and the metal foil layer 4 are bonded via an outer adhesive layer 5 composed of a cured film of an electron beam curable resin composition.Type: GrantFiled: April 28, 2017Date of Patent: August 22, 2023Assignee: Showa Denko Packaing Co., Ltd.Inventors: Wei He, Terutoshi Kumaki, Makoto Karatsu, Takashi Nagaoka
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Patent number: 11735763Abstract: Solid state solid electrolyte rechargeable battery in no use of separator comprising a positive electrode/a conductive polymer solid state electrolyte layer/a negative electrode in which the solid state electrolyte layer is a composition comprising an inorganic solid electrolyte and a polymer electrolyte composition wherein the polymer electrolyte composition is selected from the group consisting of a polymer electrolyte composition (X1) obtained by graft polymerizing or living radical polymerization of a molten salt monomer having a polymerizable functional group and having an onium cation and an anion containing a halogen with a fluoro polymer, and a polymer electrolyte composition comprising (X1) and at least one kind selected from the following (X2) and (X3), X2: a molten salt having an onium cation and an anion containing a halogen, or a molten salt monomer having a polymerizable functional group and having an onium cation, X3: a polymer or copolymer of a molten salt monomer having a polymerizable functType: GrantFiled: January 4, 2021Date of Patent: August 22, 2023Assignee: Piotrek Co., Ltd.Inventor: Sada Tsutomu
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Patent number: 11721804Abstract: A positive active material made of carbon-coated lithium iron phosphate includes a lithium iron phosphate substrate, and a carbon coating layer on a surface of the substrate. The lithium iron phosphate substrate has a general structural formula LiFe1-aMaPO4, where M is at least one selected from Cu, Mn, Cr, Zn, Pb, Ca, Co, Ni, Sr, Nb, or Ti, and 0?a?0.01. A carbon coating factor of the carbon-coated lithium iron phosphate, ? = BET ? 1 BET ? 2 , satisfies 0.81???0.95, where BET1 denotes a specific surface area of mesopore and macropore structures in the carbon-coated lithium iron phosphate, and BET2 denotes a total specific surface area of the carbon-coated lithium iron phosphate.Type: GrantFiled: September 6, 2022Date of Patent: August 8, 2023Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Hongyu Liu, Changfeng Bie, Xue Leng, Na Liu
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Patent number: 11721831Abstract: Metal-ion battery cells are provided that take advantage of the disclosed “doping” process. The cells may be fabricated from anode and cathode electrodes, a separator, and an electrolyte. A metal-ion additive may be incorporated into (i) one or more of the electrodes, (ii) the separator, or (iii) the electrolyte. The metal-ion additive provides additional donor ions corresponding to the metal ions stored and released by anode and cathode active material particles. An activation potential may then be applied to the anode and cathode electrodes to release the additional donor ions into the battery cell.Type: GrantFiled: August 21, 2014Date of Patent: August 8, 2023Assignee: Sila Nanotechnologies, Inc.Inventors: Gleb Yushin, Bogdan Zdyrko, Alexander Thomas Jacobs, Eugene Michael Berdichevsky
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Patent number: 11713925Abstract: A sagger for firing an object to be fired includes an active material for a secondary battery. Carbon dioxide that is a reaction by-product produced during a positive electrode active material firing process can be smoothly discharged from the sagger, and such a smooth discharge of carbon dioxide can lower a residual lithium concentration of a positive electrode active material and thus can improve dispersibility of a positive electrode active material slurry and also improve capacity of a battery.Type: GrantFiled: September 28, 2018Date of Patent: August 1, 2023Assignees: POSCO HOLDINGS INC., RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, POSCO FUTURE M CO., LTD.Inventors: Young-Min Park, Woo-Taek Kim, Hyeon-Woo Kim, Soon-Cheol Hwang, Choong-Mo Yang, Yoon-Cheol Park, Keeyoung Jung
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Patent number: 11710854Abstract: Electrolyte additives for energy storage devices comprising functional epoxides compounds are disclosed. Catalysts may be combined with the functional epoxides to create bi-component electrolyte additive systems, which can be utilized as additives to an electrolyte composition. The energy storage device may comprise a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, and an electrolyte composition.Type: GrantFiled: October 25, 2021Date of Patent: July 25, 2023Assignee: Enevate CorporationInventors: Liwen Ji, Benjamin Yong Park
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Patent number: 11705593Abstract: A rack type power source device includes a plurality of battery packs, a rack to house the plurality of battery packs being arranged, and a connector plate fixed to the rack at a far side in a direction in which the battery packs are inserted into the rack. The connector plate is provided with a plurality of connectors designed to be electrically connected to terminals of the plurality of battery packs. The connector plate includes a side wall that constitutes a part of a first-side wall of the rack, and a connector mount wall disposed at an inner position in the rack so as to form a depth difference from the side wall. The connector mount wall is provided with the plurality of connectors arranged corresponding to the battery packs housed in the rack.Type: GrantFiled: December 13, 2017Date of Patent: July 18, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Keisuke Naito, Takashi Hasegawa
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Patent number: 11705552Abstract: A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed, and the negative active material includes a primary particle of a crystalline carbon-based material and secondary particle that is an assembly of the primary particles, wherein a ratio of an average particle diameter (D50) of the secondary particle relative to an average particle diameter (D50) of the primary particle (average particle diameter (D50) of the secondary particle/average particle diameter (D50) of the primary particle) ranges from about 1.5 to about 5 and an aspect ratio of the primary particle ranges from about 1 to about 7.Type: GrantFiled: July 10, 2017Date of Patent: July 18, 2023Assignee: Samsung SDI Co., Ltd.Inventors: Ji Woo Ahn, Dongwoo Kim, Jaehou Nah, Bumjin Chang, Yurim Cha, Yeonjoo Choi, Ilyoung Choi
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Patent number: 11667772Abstract: Functionalized polymeric binders for electrolyte and electrode compositions include a polymer having a polymer backbone and functional groups. In some embodiments, a polymer includes a non-polar polymer backbone and a functional group that is 0.1 to 5 wt % of the polymer. In some embodiments, a polymer includes a polar backbone and a functional group that is 0.1 to 50% weight percent of the polymer. Also described are composites for electrolyte separators and electrodes that include argyrodite ion conductors and polar polymers.Type: GrantFiled: December 21, 2020Date of Patent: June 6, 2023Assignee: Blue Current, Inc.Inventors: Joanna Burdynska, Irune Villaluenga, Kevin Wujcik
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Patent number: 11664532Abstract: The present invention relates to a solid-state battery, particularly a lithium-ion solid-state battery, composed of one or more battery cells, which have an ion-conducting solid matrix (2) as solid electrolyte, which matrix is embedded between two electrodes (1, 3). The proposed solid-state battery is characterized in that the solid matrix (2) is formed form camphor, 2-adamantanone or a mixture of one of the two with one or more other substances. Owing to the use of camphor or 2-adamantanone, the solid electrolyte is mechanically stable and has good ionic conductivity in a wide temperature range.Type: GrantFiled: August 23, 2018Date of Patent: May 30, 2023Assignee: FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V.Inventors: Ingo Bardenhagen, Marc Soto, Julian Schwenzel, Katharina Koschek, Matthias Busse
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Patent number: 11664524Abstract: The present disclosure relates to a battery module and a battery pack. The battery module includes a plurality of battery units connected in series; at least two electrode output connecting pieces each disposed at an output end of the plurality of battery units; a plurality of bridging busbars, each connecting two battery units spaced by one or more other battery units among the plurality of battery units; and an adjacent busbar connecting two adjacent battery units among the plurality of battery units. An electrical connection path is formed in the battery module by the electrode output connecting pieces, the bridging busbars and the adjacent busbar. The battery module according to the present disclosure is applicable in diverse situations, and capable of improving safety performance and energy density.Type: GrantFiled: June 10, 2019Date of Patent: May 30, 2023Assignee: Contemporary Amperex Technology Co., LimitedInventors: Yuqun Zeng, Fenggang Zhao, Chuanlian Chen, Yangzhi Huang, Pengfei Gao, Jihua Yao
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Patent number: 11658313Abstract: A separator assembly for a fuel cell includes: a first separator having a protruding bead seal providing a seal; a second separator joined to the first separator to be integrated therewith and having an arched bulge protruding in the same direction as the bead seal at a location corresponding to a location where the bead seal is formed; a gasket provided on a concave surface of the bulge of the second separator at the location where the bulge is formed, the concave surface being opposite to a convex surface of the bulge; and a sealing agent applied to a convex surface of the bead seal of the first separator at the location where the bead seal is formed.Type: GrantFiled: April 3, 2019Date of Patent: May 23, 2023Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Seong Il Heo, Yoo Chang Yang, Byeong-Heon Jeong
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Patent number: 11658348Abstract: An electrolyte composition for use in an electrolytic cell and an electrolytic cell that includes the same. The electrolytic cell includes a chemical component having the general formula: [ H x ? O ( x - 1 ) 2 ] ? Z y I wherein x is an odd integer ?3; y is an integer between 1 and 20; and Z is one of a monoatomic ion from Groups 14 through 17 having a charge value between ?1 and ?3 or a polyatomic ion having a charge between ?1 and ?3. The electrolytic composition also includes between 1 and 300 ppm ionic salts selected from the group consisting of alkali metals salts and alkali earth metal salts and mixtures thereof; and water. The battery electrolyte composition has a specific gravity between 1.07 and 1.4.Type: GrantFiled: August 27, 2019Date of Patent: May 23, 2023Assignee: Tygrus, LLCInventor: Lawrence Carlson
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Patent number: 11658293Abstract: A sulfur-carbon composite including a porous carbon material; and sulfur coated on at least a portion of an inside and a surface of the porous carbon material, wherein a pore volume of the sulfur-carbon composite is 0.04 to 0.400 cm3/g and a specific surface area of the sulfur-carbon composite is 4.0 to 30 m2/g, and a method for preparing the same.Type: GrantFiled: November 16, 2018Date of Patent: May 23, 2023Assignee: LG ENERGY SOLUTION, LTD.Inventors: Eui Tae Kim, Suenghoon Han, Kwonnam Sohn, Doo Kyung Yang
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Patent number: 11637284Abstract: Provided is a positive electrode active material for non-aqueous electrolyte secondary batteries for making high capacity and high output compatible, non-aqueous electrolyte secondary batteries, having the positive electrode active material adopted thereto, and a production method for a positive electrode active material in which the positive electrode active material can be easily produced in an industrial scale. A positive electrode active material for non-aqueous electrolyte secondary batteries, contains: primary particles of a lithium nickel composite oxide represented by at least General Formula: LizNi1-x-yCoxMyO2 (0.95?z?1.03, 0<x?0.20, 0<y?0.10, x+y?0.20, and M is at least one type of element selected from Mg, Al, Ca, Ti, V, Cr, Mn, Nb, Zr, and Mo); and secondary particles configured by flocculating the primary particles, wherein an LiAl compound and an LiW compound are provided on surfaces of the primary particles.Type: GrantFiled: July 31, 2018Date of Patent: April 25, 2023Assignee: SUMITOMO METAL MINING CO., LTD.Inventors: Jun Yokoyama, Kazuomi Ryoshi
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Patent number: 11621445Abstract: A charge/discharge device for an activation process of a secondary battery including an accommodation structure having a plurality of accommodation spaces and provided with a wiring duct at one side of each of the accommodation spaces, each of a plurality of charge/discharge boxes installed in each of the plurality of accommodation spaces, wires wired in a space inside the wiring duct, and an exhaust fan installed on an inner wall of the wiring duct, in which the exhaust fan is installed on the inner wall of the wiring duct adjacent to one side of the accommodation space, and the wires are wired to pass an external side of the exhaust fan is provided. A heat insulation panel may be additionally installed together with the exhaust fan in the wiring duct.Type: GrantFiled: January 4, 2019Date of Patent: April 4, 2023Assignee: LG ENERGY SOLUTION, LTD.Inventors: In Tae Chun, Jae Huoung Son, Chang Min Han, Ik Soo Chae, Chang Bum Ahn