Patents Examined by Adam J Francis
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Patent number: 11316143Abstract: A method for fabricating a stacked device structure includes preparing plural device layers each having a glass layer, a metal layer, and a resin layer. The metal layer corresponds to one of plural metal layers. The method further includes stacking the plural device layers to compose stacked device layers; and drilling vertically a hole into the stacked device layers by laser such that the plural metal layers are exposed to the hole and filling conductive material into the hole to connect the plural metal layers.Type: GrantFiled: May 7, 2019Date of Patent: April 26, 2022Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Akihiro Horibe, Kuniaki Sueoka
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Patent number: 11302983Abstract: A battery module frame includes first and second frame sections each having a main body, an upper side wall extending from the main body, and a lower side wall extending from the main body. The main body has a bus bar pad for a bus bar that is configured to be electrically connected to battery cells of the battery module. The upper and lower side walls include upper and lower mounting features. The first and second frame sections are coupled at a seam with the upper mounting features removably coupled together at an upper separable interface and with the lower mounting features removably coupled together at a lower separable interface. The first and second frame sections are coupled together with the bus bar pads of the main bodies coplanar.Type: GrantFiled: October 24, 2019Date of Patent: April 12, 2022Inventors: Weiping Zhao, Jeremy Christin Patterson, Amadeu Luiz Fazani Cavallieri
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Patent number: 11302930Abstract: An activation device for a battery for an electronic ignition mechanism has an ampoule filled with an electrolyte and a device for breaking the ampoule. The breaking device contains two leaf spring elements, which are fixed with a prestress on a component in the housing interior and between which the ampoule is clamped. At least the leaf spring element which supports the ampoule on the bottom side snaps from a first shape into a second shape when a force due to acceleration is applied.Type: GrantFiled: July 1, 2019Date of Patent: April 12, 2022Assignee: Diehl & Eagle Picher GmbHInventor: Roland Hein
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Patent number: 11289783Abstract: A battery pack transport system includes a battery pack and a protective member assembled on the battery pack for preventing the battery pack from damage during shipping. The battery pack includes two battery cell groups each having a positive electrode and a negative electrode and a female connector electrically connected to two battery cell groups to connect two battery cell groups in parallel. The protective member engages with the female connector to change two battery cell groups from parallel connected state to isolated state.Type: GrantFiled: December 2, 2019Date of Patent: March 29, 2022Assignee: Globe (Jiangsu) Co., Ltd.Inventors: Wei Mao, Chuanjun Liu, Xinzhong Guo, Doushi Wang
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Patent number: 11271215Abstract: A metal porous body is a metal porous body mainly composed of nickel and having a framework of a three-dimensional network structure, Ni(OH)2 being present in a surface of the framework, when the metal porous body is subjected to at least 30 potential scans between a lower limit potential of ?0.10 V and an upper limit potential of +0.65 V with respect to a hydrogen standard potential in not less than 10% by mass and not more than 35% by mass of a potassium hydroxide aqueous solution, at least oxygen being detected within a depth of 5 nm from the surface, and hydrogen being detected at least in the surface.Type: GrantFiled: July 11, 2018Date of Patent: March 8, 2022Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC TOYAMA CO., LTD., PRIMEARTH EV ENERGY CO., LTD.Inventors: Kazuki Okuno, Masatoshi Majima, Hitoshi Tsuchida, Junichi Nishimura, Koutarou Kimura, Yusuke Shimizu
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Patent number: 11271274Abstract: The present disclosure provides a secondary battery, which includes an electrode assembly, a case, a cap assembly and a first insulating tape. The electrode assembly comprises an electrode unit. The electrode unit comprises a positive electrode plate, a negative electrode plate and a separator. The electrode unit is a winding structure and in a flat shape, and an outermost turn of the negative electrode plate is positioned at an outer side of an outermost turn of the positive electrode plate. The case comprises a first side wall and an accommodating cavity, the electrode assembly is accommodated in the accommodating cavity, the case is electrically connected with the positive electrode plate, and the cap assembly is connected with the case. The first insulating tape is positioned between the electrode assembly and the first side wall and closely attached to an outer surface of the electrode assembly.Type: GrantFiled: December 29, 2020Date of Patent: March 8, 2022Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Zhiling Li, Hui Li, Tingting Zhang, Yong Zhou, Jianing He, Weiqing Wu, Baiqing Li
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Patent number: 11271236Abstract: A electrochemical direct heat to electricity converter having a low temperature membrane electrode assembly array and a high temperature membrane electrode assembly array is provided. Additional cells are provided in the low temperature membrane electrode assembly array, which causes an additional amount of the working fluid, namely hydrogen, to be pumped to the high pressure side of the converter. The additional pumped hydrogen compensates for the molecular hydrogen diffusion that occurs through the membranes of the membrane electrode assembly arrays. The MEA cells may be actuated independently by a controller to compensate for hydrogen diffusion.Type: GrantFiled: September 19, 2017Date of Patent: March 8, 2022Assignee: JOHNSON IP HOLDING, LLCInventor: Lonnie G. Johnson
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Patent number: 11251482Abstract: A cell housing plate for the arrangement of round cells, comprising a cover plate arranged on the top side of the cell housing plate, and a base plate arranged opposite the cover plate on the underside of the cell housing plate, wherein the cover plate and the base plate have a plurality of cut-outs arranged opposite each other for receiving the round cells, wherein the cut-outs each have a collar pointing radially towards the inside of the cut-out for receiving a sealant, and an opening arranged inside the collar for passage of the round cells, wherein the cover plate and the base plate are arranged relative to each other such that the cut-outs of the cover plate and the opposite cut-outs of the base plate form cavities for receiving sealant for sealing the round cells which may be arranged inside the cell housing plate.Type: GrantFiled: October 23, 2019Date of Patent: February 15, 2022Assignee: Robert Bosch GmbHInventors: Andreas Ringk, Anton Ringel, Arno Arzberger, Rudi Kaiser, Silvan Poller, Thomas Kretschmar, Christoph Schlund
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Patent number: 11241872Abstract: A sheet-shaped electrode conveyance device (A) for conveying the sheet-shaped electrodes (1) to the stacking station is covered by the sealing walls (50). The inside of the sealing walls (50) is divided along the conveyance route of the sheet-shaped electrode (1) by the partitions (57, 58, 59, and 60) into the inside space regions (Z1, Z2, Z3, Z4, and Z5). Dry air is supplied to the inside space regions (Z1, Z2, Z3, Z4, Z5). If there is an abnormal sheet-shaped electrode (1) inside any of the inside space regions (Z1, Z2, Z3, Z4, Z5), the conveyor plates (20) other than the conveyor plate (20) carrying the abnormal sheet-shaped electrode (1) are retracted to the inside space regions other than the inside space region where the abnormal sheet-shaped electrode (1) is present.Type: GrantFiled: September 17, 2019Date of Patent: February 8, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Nobuhira Abe
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Patent number: 11245160Abstract: A secondary battery and a method for manufacturing the same are provided. An electrode assembly accommodated in the secondary battery having various shapes is manufactured. In particular, a method for manufacturing a secondary battery includes an electrode stack preparation step of preparing an electrode stack which includes a first unit cell having a first area and a second unit cell having a second area that is less than the first area, and which has a structure in which the second unit cell is disposed on one surface of the first unit cell. The method further includes a curved surface formation step of pressing at least a part of an independent portion, which does not overlap the second unit cell, of the first unit cell to form a curved surface on the at least the part of the independent portion.Type: GrantFiled: November 5, 2018Date of Patent: February 8, 2022Assignee: LG ENERGY SOLUTION, LTD.Inventors: Sang Jih Kim, Sang Baek Ryu
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Patent number: 11245162Abstract: A tab derived from an electrode body and a terminal of a battery are electrically connected to each other using a collector. The collector includes a first conductive member connected to a tab-side conductive member, and a second conductive member connected to a terminal-side conductive member. The collector opposes a sealing plate with an insulating member in between. A through hole and a thin portion provided at a peripheral edge of the through hole are provided in either one of the first conductive member and the second conductive member. The through hole and the other one of the conductive members are overlapped to join the peripheral edge of the through hole and the other one of the conductive members to each other so that the thin portion becomes a fuse. An insulating material is provided between the first conductive member and the second conductive member.Type: GrantFiled: February 13, 2020Date of Patent: February 8, 2022Assignee: SANYO Electric Co., Ltd.Inventor: Ryoichi Wakimoto
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Patent number: 11223068Abstract: Provided is a manufacturing method of a compacted strip-shaped electrode plate including: an undried layer forming step of forming, on a current collector foil, a strip-shaped undried active material layer by rolling out a particle aggregate; a drying step of drying the undried active material layer to form an active material layer; and a pressing step of pressing the active material layer by rollers to compact the active material layer. The particle aggregate is a mixed particle aggregate in which first wet particles manufactured with the content ratio of conductive particles to the total solid content set to W1 and second wet particles manufactured with the content ratio of conductive particles to the total solid content set to W2, W2 being higher than W1, are mixed together.Type: GrantFiled: October 2, 2019Date of Patent: January 11, 2022Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, PRIMEARTH EV ENERGY CO., LTD.Inventors: Kunihiko Hayashi, Shun Okuda
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Patent number: 11223037Abstract: A method for manufacturing an anode for a cable-type secondary battery, includes forming a lithium-containing electrode layer on the outer surface of a wire-type current collector; and surrounding the outer surface of the lithium-containing electrode layer with a substrate for forming a polymer layer spirally, and pressing the outside of the substrate for forming a polymer layer to form a polymer layer on the lithium-containing electrode layer, wherein the polymer layer includes a hydrophobic polymer, an ion conductive polymer, and a binder for binding the hydrophobic polymer and the ion conductive polymer with each other. An anode obtained from the method and a cable-type secondary battery including the anode are also provided.Type: GrantFiled: August 31, 2018Date of Patent: January 11, 2022Assignee: LG CHEM, LTD.Inventors: Jung-Hun Choi, Dong-Hyeon Kang, Sung-Joong Kang, Byoung-Kuk Son, In-Sung Uhm, Dong-Chan Lee, Yong-Hee Lee, Min-Chul Jang
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Patent number: 11217864Abstract: A battery module is provided. The battery module includes pouch-type battery cells stacked on each other and electrically connected in series and/or in parallel. Toward an electrode lead of one pouch-type battery cell, electrode leads of other pouch-type battery cells are biased to allow ends of the electrode leads to be overlapped. In particular, each of the pouch-type battery cells has an R bending portion at which a boundary region between a terrace of a pouch case and the electrode leads is bent toward a direction in which the electrode leads are biased.Type: GrantFiled: October 31, 2018Date of Patent: January 4, 2022Inventors: Kyung-Mo Kim, Jeong-O Mun, Ho-June Chi, Hang-June Choi
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Patent number: 11196131Abstract: The present disclosure provides a secondary battery, which includes an electrode assembly, a case, a cap assembly and a first insulating tape. The electrode assembly comprises an electrode unit. The electrode unit comprises a positive electrode plate, a negative electrode plate and a separator. The electrode unit is a winding structure and in a flat shape, and an outermost turn of the negative electrode plate is positioned at an outer side of an outermost turn of the positive electrode plate. The case comprises a first side wall and an accommodating cavity, the electrode assembly is accommodated in the accommodating cavity, the case is electrically connected with the positive electrode plate, and the cap assembly is connected with the case. The first insulating tape is positioned between the electrode assembly and the first side wall and closely attached to an outer surface of the electrode assembly.Type: GrantFiled: December 31, 2019Date of Patent: December 7, 2021Assignee: QINGHAI CONTEMPORARY AMPEREX TECHNOLOGY LIMITEDInventors: Zhiling Li, Hui Li, Tingting Zhang, Yong Zhou, Jianing He, Weiqing Wu, Baiqing Li
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Patent number: 11171391Abstract: Assemblies and methods are provided for manufacturing a battery. A number of cells each have tabs for coupling the cell in the battery assembly. A housing has an opening through which each tab extends. The tabs are folded to overlie an outer surface of the housing. A bus bar is disposed on an opposite side of the tabs from the housing, with a coupling joint between the bus bar and the cells. The coupling joint may comprise a weld.Type: GrantFiled: September 9, 2019Date of Patent: November 9, 2021Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Evan J. Dawley, Hongliang Wang
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Polymer solid electrolyte, preparation method thereof and preparation method of lithiated carbon dot
Patent number: 11158881Abstract: The present disclosure provides a polymer solid electrolyte comprising a high molecular polymer and a lithiated carbon dot, wherein the lithiated carbon dot is obtained by lithiating a carbon dot with lithium hydroxide. The present application also provides a method for preparing a lithiated carbon dot and a method for preparing a polymer solid electrolyte. In the polymer solid electrolyte provided in the present application, the lithiated carbon dot is used as lithium salts, and the introduction of the lithiated carbon dot effectively reduces the crystal phase of the polymer matrix in the electrolyte, and significantly improves the electrochemical properties such as the ionic conductivity and ionic mobility of the polymer solid electrolyte.Type: GrantFiled: May 1, 2019Date of Patent: October 26, 2021Assignee: TIANJIN UNIVERSITYInventors: Wei Feng, Zeyu Li, Yu Li, Chen Cao -
Patent number: 11152661Abstract: Provided by the present disclosure is a batten pack in which both battery performance and durability of an all solid state battery are improved. Provided is a battery pack provided with a plurality of single batteries and a constraining mechanism. The constraining mechanism constrains the arranged single batteries in such a way that stress exists in the direction of compression along the arrangement direction. In addition, in a direction which intersects the arrangement direction, when a direction in which the external connection terminals extend is deemed to be a first direction and the direction opposite the first direction is deemed to a second direction, the constraining mechanism is configured in such a way that the stress increases from the first direction towards the second direction.Type: GrantFiled: March 22, 2019Date of Patent: October 19, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Satomi Yamamoto, Koichi Tanimoto
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Patent number: 11152671Abstract: A battery module includes a battery cell stack having a plurality of stacked battery cells and a plurality of bus bars respectively coupled to electrode leads provided at the plurality of battery cells. Each bus bar includes a frame on which the electrode lead of the battery cell is placed and a conductive member coupled to the frame and electrically coupled to the electrode lead.Type: GrantFiled: January 8, 2018Date of Patent: October 19, 2021Assignee: LG CHEM, LTD.Inventors: Ho-June Chi, Dal-Mo Kang, Jeong-O Mun, Jin-Yong Park, Jung-Hoon Lee
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Patent number: 11145942Abstract: A cylindrical battery according to an embodiment of the present invention includes an electrode body, an electrolyte solution, a tubular exterior can that accommodates the electrode body and the electrolyte solution, and a sealing body that is crimped on an opening portion of the exterior can. The sealing body includes a current interrupt mechanism in which a valve member and a metal plate are joined to each other with an insulating plate that includes a circular hollow portion interposed therebetween. The metal plate includes a thin portion that has a circular shape or a C-shape. The hollow portion and the thin portion are concentric with each other when viewed from a direction perpendicular to the metal plate. D1/D2 is no less than 0.56 and no more than 1 where D1 is the diameter of the thin portion, and D2 is the diameter of the hollow portion.Type: GrantFiled: March 14, 2017Date of Patent: October 12, 2021Assignee: SANYO Electric Co., Ltd.Inventors: Shin Haraguchi, Kyosuke Miyata, Tomohiko Yokoyama