Patents Examined by Niara Trant
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Patent number: 11670818Abstract: An serviceable battery pack and assembly method may include a battery pack having a stanchion extending through a wall of the battery pack, a first battery pack seal between the stanchion and the wall of the battery pack, attachment of the battery pack at the exterior of a floor pan of a vehicle at the stanchion, and a second battery pack seal between the exterior of the floor pan and the wall of the battery pack surrounding the stanchion.Type: GrantFiled: December 10, 2019Date of Patent: June 6, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Andrew W. White, Terry A. Swartzell, James A. Rochon, Terry J. Short, Charles E. Jensen
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Patent number: 11631839Abstract: An electrode for a solid state battery is provided. The electrode active material layer of the electrode shows improved mechanical properties, such as elasticity or rigidity, of the electrode layer through the crosslinking of a binder resin. Thus, it is possible to inhibit or reduce the effect of swelling and/or shrinking of the electrode active material during charging/discharging. Therefore, the interfacial adhesion between the electrode active material layer and an electrolyte layer and the interfacial adhesion between the electrode active material layer and a current collector are maintained to a high level to provide a solid state battery having excellent cycle characteristics.Type: GrantFiled: March 22, 2018Date of Patent: April 18, 2023Assignee: LG ENERGY SOLUTION, LTD.Inventors: Sung-Ju Cho, Ho-Suk Shin, Seung-He Woo, Sung-Joong Kang, Hyea-Eun Han
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Patent number: 11631840Abstract: A method and apparatus for forming metal electrode structures, more specifically lithium-containing anodes, high performance electrochemical devices, such as primary and secondary electrochemical devices, including the aforementioned lithium-containing electrodes. In one implementation, the method comprises forming a lithium metal film on a current collector. The current collector comprises copper and/or stainless steel. The method further comprises forming a protective film stack on the lithium metal film, comprising forming a first protective film on the lithium metal film. The first protective film is selected from a bismuth chalcogenide film, a copper chalcogenide film, a tin chalcogenide film, a gallium chalcogenide film, a germanium chalcogenide film, an indium chalcogenide film, a silver chalcogenide film, a dielectric film, a lithium fluoride film, or a combination thereof.Type: GrantFiled: October 21, 2019Date of Patent: April 18, 2023Assignee: APPLIED MATERIALS, INC.Inventor: Subramanya P. Herle
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Patent number: 11581525Abstract: One of the objects of the present invention is to suppress mixing of a first layer and a second layer while forming the second layer before drying the first layer when manufacturing the electrode for the secondary battery in which the first layer and the second layer are laminated on the current collector. A method for manufacturing an electrode used as a positive electrode and a negative electrode of a secondary battery according to the present invention comprises applying a first layer slurry to a surface of a current collector, applying a second layer slurry on the first layer slurry before the first layer slurry is dried, and drying the first layer slurry and the second layer slurry after applying the first layer slurry and the second layer slurry to obtain a laminated structure in which a first layer and a second layer are laminated in this order on the current collector.Type: GrantFiled: February 8, 2018Date of Patent: February 14, 2023Assignee: NEC CORPORATIONInventors: Makihiro Otohata, Noboru Yoshida
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Patent number: 11575183Abstract: The present invention comprises: an electrode assembly in which a separator is interposed in between a first electrode and a second electrode; a case for accommodating the electrode assembly; a cap plate for sealing an opening at the upper end of the case, wherein a first terminal electrically connected to the first electrode of the electrode assembly is integrally formed with the cap plate; at least one stepped portion protruding upward from the cap plate; and a plate terminal arranged on the exterior of the cap plate, wherein the plate terminal is provided with, on a bottom part thereof, a recessed groove having a size and a depth corresponding to the size and the height of the stepped portion. A secondary battery, according to one embodiment of the present invention, is provided with the protruding stepped portion on the cap plate so that the terminal can be fixed so as to prevent shifting to the left or to the right.Type: GrantFiled: June 19, 2017Date of Patent: February 7, 2023Assignee: Samsung SDI Co., Ltd.Inventors: Hyun Soo Lee, Sang Won Byun
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Patent number: 11552374Abstract: The present disclosure provides a non-aqueous electrolyte secondary battery having a stable open-circuit voltage. An electrode for a non-aqueous electrolyte secondary battery according to one embodiment includes a belt-like current collector, a mixture layer formed on each surface of the current collector, and a lead bonded to an exposed portion of the current collector where the surfaces of the current collector are exposed, the lead extending from one end of the current collector, the one end and another end constituting both ends of the current collector in the width direction. In an electrode for a non-aqueous electrolyte secondary battery according to one embodiment, a mixture layer is formed on at least one surface of a current collector in the width direction of the current collector and adjacent to an exposed portion on one end side.Type: GrantFiled: October 13, 2017Date of Patent: January 10, 2023Assignee: SANYO Electric Co., Ltd.Inventors: Toshitaka Moriyama, Motoki Kinugawa, Tomofumi Yanagi
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Patent number: 11545724Abstract: A composite membrane with nanostructured inorganic and organic phases is applied as an ion-selective layer to prove processability, prevent dendrite shorting, and increase power output of lithium-metal anodes through better Li-ion conductivity. Nanoconfinement, as opposed to macroscale confinement, is known to dramatically alter the properties of bulk materials. Control over a ceramic's size, shape, and properties is achieved with polymer templates. This is a new composition of matter and unique approach to composite membrane design.Type: GrantFiled: December 7, 2017Date of Patent: January 3, 2023Assignees: The Regents of the University of California, Sepion Technologies. Inc.Inventors: Peter David Frischmann, Brett Anthony Helms
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Patent number: 11545711Abstract: Provided is a battery module in which a heat radiation effect and manufacturing efficiency are effectively improved. The battery module includes a cell assembly including at least one unit body, each unit body including at least two secondary batteries stacked in a first direction. Each unit body includes an integrated unit sheet folded to surround a top portion, a left surface, a right surface, and a bottom portion of the at least two secondary batteries, opposite ends of a top portion of the integrated unit sheet being positioned to contact each other on any one of the top portion, the left surface, the right surface, and the bottom portion of the at least two secondary batteries, and an electric insulating material coated on at least a part of a perimeter portion of the integrated unit sheet.Type: GrantFiled: June 13, 2019Date of Patent: January 3, 2023Inventors: Eun-Gyu Shin, Jeong-O Mun
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Patent number: 11522198Abstract: A negative electrode for a lithium-metal secondary battery, which has a wide specific surface area and a current density distribution that can be uniformly implemented, and a lithium-metal secondary battery including the same.Type: GrantFiled: September 29, 2017Date of Patent: December 6, 2022Assignee: LG ENERGY SOLUTION, LTD.Inventors: Hee Won Choi, Sang Wook Woo, Oh Byong Chae, Eun Kyung Kim
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Patent number: 11509013Abstract: A storage battery module includes battery cells, a first member and a second member opposing the first member across a substrate. The first member closes the space between adjacent terminals, and covers an open surface of a housing in a state where the terminals of the battery cells are exposed. The first member is formed of a material having a thermal resistance greater than or equal to a first threshold. The substrate opposing the battery cells across the first member has holes through which the terminals are inserted and a conductor formed therein so as to electrically connect the terminals. The second member opposing the first member across the substrate surrounds the terminals projecting from the holes and covers the substrate with the terminals exposed from the holes. The second member is formed of a material having a thermal resistance greater than or equal to a second threshold.Type: GrantFiled: March 23, 2016Date of Patent: November 22, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Hirokazu Takabayashi, Hidetoshi Kitanaka, Yukihiro Yoshida
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Patent number: 11489189Abstract: An uninterruptible power supply unit for subsea applications includes a flow battery including: at least one flow battery module including at least a negative electrode cell and a positive electrode cell, a first electrolyte storage tank connected to the negative electrode cell to provide the negative electrode cell with a first electrolyte, and a second electrolyte storage tank connected to the positive electrode cell to provide the positive electrode cell with a second electrolyte. The unit further includes at least one electrolyte pressure compensator, connected to the first electrolyte storage tank and connected to the second electrolyte storage tank, respectively, to provide pressure balancing between an ambient medium surrounding the at least one electrolyte pressure compensator and first electrolytes and second electrolytes inside the first electrolyte storage tank and inside the second electrolyte storage tank, respectively.Type: GrantFiled: April 21, 2017Date of Patent: November 1, 2022Assignee: SIEMENS ENERGY ASInventor: Fredrik Gundersen Aarskog
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Patent number: 11476461Abstract: A crystalline precursor compound for manufacturing a lithium transition metal based oxide powder usable as an active positive electrode material in lithium-ion batteries, the precursor having a general formula M(O)x(OH)2-x-y(CO3)y, with 0<x?1, 0<y<0.03 and M=NiaMnbCocAd. A being a dopant, with 0.30?a<0.90, 0.10?b<0.40, 0.10?c<0.40, d<0.05 and a+b+c+d=1, the precursor having a Na content less than 200 ppm, a S content less than 250 ppm, the precursor having a specific surface area with a BET value expressed in m2/g and a tap density TD expressed in g/cm3, with a ratio BET/TD>30.104 cm5/g2.Type: GrantFiled: March 14, 2017Date of Patent: October 18, 2022Assignees: UMICORE, UMICORE KOREA, LTD.Inventors: Jens Paulsen, Daniël Nelis, Jin Hu, Liang Zhu, Eric Robert
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Patent number: 11462760Abstract: The present invention provides a scandia-stabilized zirconia powder for solid oxide fuel cells or a scandia-stabilized zirconia sintered body for solid oxide fuel cells, each having high crystal structure stability, low grain-boundary resistivity, and high ionic conductivity; and the production methods of these. The scandia-stabilized zirconia powder for solid oxide fuel cells comprises a compound represented by formula (1): (ZrO2)1-x-a(Sc2O3)x(Al2O3)a. In formula (1), 0.09?x?0.11 and 0.002?a<0.01 are satisfied. The scandia-stabilized zirconia powder has a rhombohedral phase crystal structure. The sintered body of the scandia-stabilized zirconia powder has a cubic phase crystal structure. The sintered body of the scandia-stabilized zirconia powder has a grain-boundary resistivity of 12 ?·cm or less at 550° C.Type: GrantFiled: June 30, 2017Date of Patent: October 4, 2022Assignee: DAIICHI KIGENSO KAGAKU KOGYO CO., LTD.Inventor: Fuminori Tamazaki
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Patent number: 11450910Abstract: A secondary battery may include: an electrode assembly in which a positive electrode, a negative electrode, and a separator are wound or stacked; an insulator on at least one of an upper portion and a lower portion of the electrode assembly; and a battery case configured to accommodate the electrode assembly, the insulator, and an electrolyte and sealed by a cap assembly, wherein the insulator includes: a peripheral portion having a disk ring shape and made of a rigid material; and a central portion extending inward from an inner circumferential surface of the peripheral portion and including a textile fabric having high-temperature resistance.Type: GrantFiled: October 17, 2018Date of Patent: September 20, 2022Assignee: LG ENERGY SOLUTION, LTD.Inventors: Hang Soo Shin, Do Gyun Kim, Sang Suk Jung, Byoung Gu Lee, Chan Bae Kim
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Patent number: 11431018Abstract: A non-aqueous electrolyte secondary battery includes at least a positive electrode active material layer, a porous film, and a negative electrode active material layer. The negative electrode active material layer contains at least a graphite-based carbon material and silicon oxide. The porous film is interposed between the positive electrode active material layer and the negative electrode active material layer. The porous film contains at least a ceramic material. The negative electrode active material layer has a first spring constant. The porous film has a second spring constant. A ratio of the second spring constant to the first spring constant is higher than 1.Type: GrantFiled: November 13, 2018Date of Patent: August 30, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Koji Torita, Hideaki Fujita, Kaoru Inoue
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Patent number: 11417934Abstract: A connection element for mechanical and electrical connection to a contact element of an electrical storage cell comprises a contact receptacle and a clamping device. The contact receptacle is open in a set-on direction and receives a portion of the contact element. The clamping device extends into the contact receptacle in a press-on position of the clamping device. The clamping device is formed from a shape memory alloy transferable by a phase transformation into the press-on position.Type: GrantFiled: November 16, 2018Date of Patent: August 16, 2022Assignee: TE Connectivity Germany GmbHInventors: Gerzson Toth, Andreas Baus, Wilhelm Grzywok, Uwe Hauck, Andre Martin Dressel, Yoshikawa Hiroko
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Patent number: 11398664Abstract: A battery includes at least one cell, a case that houses the at least one cell, at least one first charge/discharge terminal that is electrically connected to the at least one cell, and at least one first monitor terminal that is electrically connected to the at least one cell. The at least one first charge/discharge terminal has a protrusion that partially protrudes from a surface of the case. The at least one first monitor terminal has a recess that is partially recessed from the surface of the case.Type: GrantFiled: April 2, 2019Date of Patent: July 26, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Kazuya Iwamoto
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Patent number: 11394071Abstract: Provided is a battery assembly structure including: a holding panel that holds a bottom part of a battery module; a pair of mounting brackets coupled to both ends of the holding panel and standing upright so as to face both end surfaces of the battery module; and an elastic member disposed between an inner surface of at least one of the pair of mounting brackets and at least one end surface of the end surfaces of the battery module.Type: GrantFiled: January 31, 2019Date of Patent: July 19, 2022Assignee: AISIN KEIKINZOKU CO., LTD.Inventors: Satoshi Kawaguchi, Kosuke Kido
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Patent number: 11387492Abstract: An electrochemical device includes an air cathode using air as the cathodic gas; a discharge product of sodium peroxide dihydrate; an anode comprising sodium metal; a porous fiber separator; and a non-aqueous electrolyte comprising a sodium salt and a solvent.Type: GrantFiled: July 9, 2019Date of Patent: July 12, 2022Assignee: UChicago Argonne, LLCInventors: Xuanxuan Bi, Jun Lu, Khalil Amine
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Patent number: 11380956Abstract: Provided is an energy storage apparatus which can be brought into a state where outputting of electricity from an overall terminal cannot be performed. The energy storage apparatus includes: a plurality of energy storage devices; an overall electrode to which electricity is supplied from the plurality of energy storage devices; an overall terminal which is electrically terminated from the overall electrode and is electrically connected to the overall electrode by a conductive member; a cover member which is removable and covers the overall electrode; and a cover which openably and closably covers the overall electrode covered by the cover member.Type: GrantFiled: September 13, 2018Date of Patent: July 5, 2022Assignees: BLUE ENERGY CO., LTD., HONDA MOTOR CO., LTD.Inventor: Hiroaki Kakimura