Patents Examined by Gregg Cantelmo
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Patent number: 11929478Abstract: A filling member is interposed between pouch cells of a battery pack, the filling member has a first surface orthogonal to a thickness direction thereof and a second surface opposite to the first surface, ?d1 and ?d2 defined below satisfy formulas (1) and (2) below, respectively, ?p satisfies formula (3) below, and ?d1>?d2 holds: (1) ?d1?3.0×10?3 (m2·K)/W, (2) ?d2?8.0×10?3 (m2·K)/W, (3) 0.5 K/W??p1?1000 K/W, and (4) 0.5 K/W??p2?1000 K/W. ?d1 is heat transfer resistance when the average temperature of one of the first and second surfaces exceeds 180° C., ?d2 is heat transfer resistance when the average temperatures of the first and second surfaces both do not exceed 80° C., ?p1 is heat transfer resistance when the average temperature exceeds 180° C., ?p2 is heat transfer resistance when the average temperatures do not exceed 80° C.Type: GrantFiled: February 2, 2021Date of Patent: March 12, 2024Assignee: Mitsubishi Chemical CorporationInventors: Tomohiro Kawai, Hiroki Hayami
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Patent number: 11929457Abstract: Discussed is a bolting device that effectively protects an internal configuration of a battery pack and increases manufacturing efficiency during a bolting operation. The bolting device for manufacturing a battery pack includes an electric screwdriver provided with a rotation motor; a driver bit connected to the rotation motor to enable a rotation movement and configured to rotate a bolt; a bit guide member provided with a hollow tube such that the driver bit is inserted into an inside of the hollow tube to be movable; and a guide jig provided with a main body configured to be mounted on an upper portion of a pack housing, the main body having a plate shape and having at least one through hole, and a fixing member inserted into the through hole and mounted therein, and having an insertion hole.Type: GrantFiled: December 12, 2019Date of Patent: March 12, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Hyeong-Min Park, Seok-Won Jeung, Geon-Tae Park, Jung-Ho Oh, Ju-Hwan Baek
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Patent number: 11923508Abstract: Provided is an electrolyte solution for a lithium secondary battery and a lithium secondary battery including the electrolyte solution. The electrolyte solution includes an additive represented by a specific chemical formula, an organic solvent and a lithium salt. The lithium secondary battery including the electrolyte solution provide enhanced high-temperature properties.Type: GrantFiled: July 10, 2023Date of Patent: March 5, 2024Assignees: SK On Co., Ltd., SK Innovation Co., Ltd.Inventors: Ki Sung Park, Myoung Lae Kim
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Patent number: 11923555Abstract: A battery pack includes a plurality of battery cells and holder that has battery cells arranged in a parallel posture. Holder has partition wall between adjacent battery cells for arranging battery cells at fixed positions. Partition wall has a surface facing battery cells as resin molded layer shaped to arrange battery cells at the fixed positions. Partition wall has a three-layer structure where thermally insulating plate is disposed inside and resin molded layer is laminated on both surfaces of thermally insulating plate. Holder is formed in a single-piece structure by molding resin molded layer from a synthetic resin.Type: GrantFiled: April 10, 2019Date of Patent: March 5, 2024Assignee: PANASONIC ENERGY CO., LTD.Inventors: Hidemi Kurihara, Takao Takatsu
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Patent number: 11923557Abstract: The present disclosure is directed to a battery pack comprising a housing, a plurality of battery cells, a battery cell holder holding the plurality of battery cells, a printed circuit board, a plurality of components requiring exposure, the plurality of components affixed to the printed circuit board, a plurality of adhesion holes positioned to form a boundary about the plurality of components, a low pressure molded material applied to the printed circuit board such that the plurality of components are exposed and surrounded by the low pressure molded material.Type: GrantFiled: January 25, 2021Date of Patent: March 5, 2024Assignee: BLACK & DECKER INC.Inventors: Mahmudul Bhuiyan, Abhisheka Moturu, Timothy Hennesy, Jason Dunthorn, Michael Varipatis
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Patent number: 11916209Abstract: The power supply device includes a plurality of battery cells each having a rectangular outer shape, a plurality of separators configured to insulate adjacent battery cells, and a restraining member assembling the plurality of battery cells and the plurality of separators. Each of separators includes interposed plate disposed between adjacent battery cells, heat insulating member having a sheet-like shape and disposed between interposed plate and adjacent battery cells, peripheral wall protruding from interposed plate toward adjacent battery cells and defining a housing space housing adjacent battery cells, and a plurality of ribs provided inside peripheral wall. The plurality of ribs holds heat insulating member.Type: GrantFiled: July 26, 2019Date of Patent: February 27, 2024Assignee: SANYO Electric Co., Ltd.Inventors: Nao Takeda, Naotake Yoshida, Kazuhiro Harazuka
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Patent number: 11908997Abstract: A solid-state polymer electrolyte membrane and a supercapacitive lithium-ion battery utilizing the solid-state polymer electrolyte membrane. The solid-state polymer electrolyte membrane comprising a mixture of a lithium salt, a plasticizer, and a co-network of a crosslinkable polyether addition and a crosslinkable amine addition. The co-network is crosslinked, and the solid-state polymer electrolyte membrane is conductive on the order of 10?3 S cm?1. The supercapacitive lithium-ion battery utilizing the solid-state polymer electrolyte membrane has an operating range of between about 0.01 and about 4.3 V without short-circuiting while also having a higher capacity relative to conventional liquid electrolyte lithium-ion batteries.Type: GrantFiled: August 23, 2021Date of Patent: February 20, 2024Assignee: THE UNIVERSITY OF AKRONInventors: Thein Kyu, Ran Li
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Patent number: 11909071Abstract: A vehicle includes a high-voltage battery which has a housing and at least one battery module arranged in the housing that has multiple battery cells which are electrically connected together via a cell contacting system. Each of the battery cells has a battery cell housing with an emergency degassing opening which opens at a specified cell inner pressure and through which hot or burning gas can be leaked out of the interior of the battery cell housing into the housing of the high-voltage battery in the event of a disruption or damage to individual battery cells. The emergency degassing openings face the cell contacting system and/or a wall of the housing of the high-voltage battery. The cell contacting system and/or the wall of the housing of the high-voltage battery is/are provided with a heat protection layer, at least in the regions in which the emergency degassing openings are arranged.Type: GrantFiled: June 7, 2019Date of Patent: February 20, 2024Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Robert Lustig, Philip Raettich, Tobias Schmieg, Frank Tenfelde
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Patent number: 11909063Abstract: An electronic device, according to various embodiments of the present disclosure, may comprise: a housing including a seating groove therein; a battery seated in the seating groove, at least a partial area of which includes a curved surface; and an adhesive member disposed between the battery and the seating groove and formed along at least a portion of an edge of the battery. The adhesive member may be formed having varied predetermined thicknesses, corresponding to a position of the battery.Type: GrantFiled: August 5, 2019Date of Patent: February 20, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Soonwan Chung, Myungheon Kang, Junho Park, Junghyun Lee, Changhyun Kim
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Patent number: 11901588Abstract: Disclosed is a pole socket for an energy storage system, having a connecting element with a first end region and with a second end region, a connection element which is arranged on the first end region and which is configured to make electrical contact with electrical consumers, and a contacting element which is arranged on the second end region of the connecting element and which is configured to make electrical contact with a pole shaft. The connection element extends in a first direction of extent proceeding from the connecting element, and wherein the contacting element extends in a second direction of extent proceeding from the connecting element. The second direction of extent runs parallel and in the opposite direction with respect to the first direction of extent, such that the contacting element is arranged offset from the connection element.Type: GrantFiled: March 6, 2020Date of Patent: February 13, 2024Assignee: Clarios Germany GmbH & Co. KGInventors: Julian Firl, Anne-Laure Ledoux, Andreas Dudenbostel
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Patent number: 11901557Abstract: The present application discloses a negative electrode active material and a method for preparing the same, a secondary battery, and an apparatus including the secondary battery. The negative electrode active material includes a core and a coating layer covering the surface of the core, the core includes artificial graphite, the coating layer includes amorphous carbon, and the particle size uniformity of the negative electrode active material is from 0.25 to 0.45.Type: GrantFiled: December 10, 2021Date of Patent: February 13, 2024Assignee: Contemporary Amperex Technology Co., LimitedInventors: Meng Kang, Xiaobin Dong, Jiazheng Wang, Libing He
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Patent number: 11894524Abstract: This application provides a positive electrode plate and an electrochemical apparatus and device associated therewith. The positive electrode plate includes a positive electrode current collector, a positive electrode active material layer disposed on at least one surface of the positive electrode current collector, and a safety layer disposed between the positive electrode active material layer and the positive electrode current collector. The safety layer includes a binding substance, a conductive substance, and a special sensitive substance, where the special sensitive substance is at least one product of esterification of polysaccharide in which a degree of esterification of monosaccharide units is 35% to 98%. The electrochemical apparatus prepared by using the positive electrode plate of this application has significantly improved safety and electrical performance (such as cycling performance).Type: GrantFiled: January 31, 2022Date of Patent: February 6, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventor: Yang Yu
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Patent number: 11888168Abstract: Discussed are a battery module and a method of manufacturing the battery module. The battery module includes a battery cell stack in which a plurality of battery cells are stacked; a first frame having a bottom surface and opposite side surfaces respectively covering a lower side surface and opposite side surfaces of the battery cell stack; and a second frame having an upper surface and front and rear surfaces respectively covering an upper side surface and front and rear surfaces of the battery cell stack, wherein the upper surface of the second frame and the front and rear surfaces of the second frame are integrally formed.Type: GrantFiled: March 9, 2020Date of Patent: January 30, 2024Assignee: LG ENERGY SOLUTION, LTD.Inventors: Youngho Lee, Sung Dae Kim, Junyeob Seong, Junkyu Park
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Patent number: 11888174Abstract: The present disclosure relates to a contactor box (201) for an electrical energy storage system (200) of an at least partly electrical vehicle (100). The contactor box (201) comprises a first ingoing high voltage connection (203a) adapted to be connected to a second ingoing high voltage connection (203b) of a battery (210). The contactor box (201) comprises a first outgoing high voltage connection (205a) adapted to be connected to a second outgoing high voltage connection (205b) of the battery (210). The first ingoing and the first outgoing high voltage connections (203a, 205a) are adapted to be disengaged from the battery (210) when the contactor box (201) is removed from the vehicle (100), and adapted to be engaged with the battery (210) when the contactor box (201) is inserted into the vehicle (100).Type: GrantFiled: June 30, 2021Date of Patent: January 30, 2024Assignee: VOLVO TRUCK CORPORATIONInventor: Bill Östman
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Patent number: 11888155Abstract: A cathode for a lithium secondary battery includes a cathode current collector, and a cathode active material layer including a plurality of active material layers sequentially disposed on the cathode current collector which include different types of cathode active material particles from each other. DA determined by the present disclosure of an active material layer closest to the cathode current collector among the plurality of active material layers is 0.5 ?m or less.Type: GrantFiled: August 9, 2023Date of Patent: January 30, 2024Assignee: SK ON CO., LTD.Inventors: Jong Hyeok Lee, Hyun Ji Kim, Yoon Ji Jo, Chang Mook Hwang
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Patent number: 11881552Abstract: A battery module includes a housing having an opening and an electrochemical cell disposed in the housing. The electrochemical cell includes a first cell surface having electrode terminals and an second cell surface substantially opposite the first cell surface. The battery module also includes a heat sink integral with the housing and a thermally conductive adhesive bonded to the second cell surface and a heat sink surface that is facing the second cell surface. The thermally conductive adhesive can include a bonding shear strength and bonding tensile strength between the electrochemical cell and the heat sink of between approximately 5 megaPascals (MPa) and 50 MPa.Type: GrantFiled: May 28, 2020Date of Patent: January 23, 2024Assignee: CPS Technology Holdings LLCInventors: Matthew R. Tyler, Xugang Zhang
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Patent number: 11855257Abstract: Solid-state lithium ion electrolytes of lithium fluoride based composites are provided which contain an anionic framework capable of conducting lithium ions. Composites of specific formulae are provided and methods to alter the composite materials with inclusion of aliovalent ions shown. Lithium batteries containing the composite lithium ion electrolytes are provided. Electrodes containing the lithium fluoride based composites are also provided.Type: GrantFiled: December 27, 2022Date of Patent: December 26, 2023Assignees: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC., UNIVERSITY OF MARYLAND, COLLEGE PARKInventors: Chen Ling, Ying Zhang, Yifei Mo, Qiang Bai
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Patent number: 11855300Abstract: Electric vehicle battery packs with external side enclosures for containing electrical connectors and other components therein. Each enclosure is sized to support various connectors or other components as desired, and may have a number of openings formed to provide interfaces for connecting various electric vehicle systems to the battery pack. The enclosures may be placed at various locations along one or more sides of the battery pack, and connectors may be routed over an upper surface of a battery pack frame or through a gap formed between the pack frame and cover. Enclosures may be made of any material, including plastic for lower weight applications and metal for improved electromagnetic interference shielding.Type: GrantFiled: May 17, 2022Date of Patent: December 26, 2023Assignee: RIVIAN IP HOLDINGS, LLCInventors: Vignesh Sekar, Bruce Turner, Kyle Butterfield
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Patent number: 11855266Abstract: Systems and methods that provide improved cooling for batteries are disclosed. A battery system according to the present disclosure may include a cooling plate, one or more battery cells coupled to one surface of the cooling plate, and one or more battery cells coupled to the opposite surface of the cooling plate. The cooling plate and corresponding batteries may be included in a battery module, and multiple battery modules electrically connected may make up a battery pack. The cooling plates may comprise channels for cooling fluid, which may be provided to the plates in parallel from a cooling fluid source. Cooling the battery cells at the ends of the cells, where they are coupled to the cooling plate, may advantageously provide one or more of improved energy density, thermal management, and safety.Type: GrantFiled: January 4, 2021Date of Patent: December 26, 2023Assignee: Rivian IP Holdings, LLCInventors: Kyle William Butterfield, Tyler David Collins, Nathaniel Christopher Wynn
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Patent number: 11848463Abstract: Each of a plurality of power storage cells includes an top surface provided with an electrode terminal, a bottom surface opposite to the top surface, and a side surface contiguous to the top surface and the bottom surface. A case includes a main body provided with an opening on the side surface side of the plurality of power storage cells, and a cover provided over the opening. The case has a first inner side surface and a second inner side surface each facing the side surfaces of the plurality of power storage cells. A power storage device includes biasing means for biasing the plurality of power storage cells toward the second inner side surface of the case, the biasing means being provided between the first inner side surface of the case and the plurality of power storage cells.Type: GrantFiled: October 13, 2021Date of Patent: December 19, 2023Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventors: Taijyu Morishita, Wataru Okada