Patents Examined by Emily Elizabeth Freeman
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Patent number: 11967694Abstract: The invention relates to methods for producing a porous electrode, said electrode comprising a layer deposited on a substrate, being binder-free and having a porosity of more than 30 and less than 50 volume %, and pores having an average diameter of less than 50 nm, said method comprising: (a) providing a colloidal suspension containing aggregates or agglomerates of nanoparticles of at least one material P having an average primary diameter of 80 nm or less, said aggregates or agglomerates having an average diameter comprised between 80 nm and 300 nm, (b) providing a substrate, (c) depositing a mesoporous, electrode layer on the substrate by electrophoresis, ink-jet, doctor blade, roll coating, curtain coating or dip-coating, from the colloidal suspension provided in step (a); (d) drying said layer, preferably in an air flow, and (e) consolidating the porous, preferably mesoporous electrode layer obtained in step (d) by pressing and/or heating.Type: GrantFiled: May 6, 2019Date of Patent: April 23, 2024Assignee: I-TENInventor: Fabien Gaben
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Patent number: 11961992Abstract: An electrode includes a current collector, an active material layer, a first layer including first particles, and a second layer including second particles, wherein an average cross-sectional area of the first particles in a plane substantially parallel to the electrode surface is smaller than an average cross-sectional area of the second particles in a plane substantially parallel to the electrode surface.Type: GrantFiled: September 6, 2018Date of Patent: April 16, 2024Assignee: AESC Japan Ltd.Inventors: Junpei Morita, Kazuya Mimura
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Patent number: 11949114Abstract: This application provides a battery box, which includes: a box body, a first battery group and a sealing member, where the first battery group includes: a first battery row including a plurality of batteries, all explosion-proof valves of the first battery row form a first explosion-proof valve row; a first guide plate, configured to be sealed and disposed above the first explosion-proof valve row, and forming a first path with an upper surface of the first battery row; and a first end plate, provided with a first recess communicating with one end of the first path, and an opening is disposed at a position, corresponding to the first recess, of the box body, where the sealing member is configured to seal the opening and be capable of being damaged to open the opening. The battery box of this application effectively exports heat to the outside.Type: GrantFiled: December 17, 2020Date of Patent: April 2, 2024Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITEDInventors: Liwen Jiang, Wumei Fang
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Patent number: 11949117Abstract: A battery includes a plurality of energy storage units, a flexible linkage arranged to physically and electrically connect each adjacent pair of energy storage units, and an encapsulation arranged to encapsulate the energy storage units and the linkages. The energy storage units are movable with respect to each other via the flexible linkage within each adjacent pair of energy storage units in the encapsulation.Type: GrantFiled: April 9, 2020Date of Patent: April 2, 2024Assignee: City University of Hong KongInventors: Chunyi Zhi, Ao Chen, Zijie Tang
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Patent number: 11949110Abstract: The present invention relates to a copper foil current collector having superior adhesion to an active material of a Li secondary battery. The electrolytic copper foil of the present invention having a first surface and a second surface comprises: a first protective layer at the first surface; a second protective layer at the second surface; and a copper film between the first and second protective layers, wherein an oxygen-containing part at the second surface has a thickness (OT) of not less than 1.5 nm. According to the present invention, an electrolytic copper foil current collector for a Li secondary battery, which has low electric resistance and high adhesion to an active material, can be provided.Type: GrantFiled: August 27, 2018Date of Patent: April 2, 2024Assignee: SK NEXILIS CO., LTD.Inventors: Seung Min Kim, An Na Lee
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Patent number: 11936046Abstract: An electricity storage device includes a stack of bipolar electrodes each including a steel sheet, and a plating layer provided on a surface of the steel sheet. The plating layer includes a base nickel-plating layer provided on the surface of the steel sheet, and a surface nickel-plating layer provided on the base nickel-plating layer, and having a surface roughness greater than that of the base nickel-plating layer.Type: GrantFiled: October 19, 2018Date of Patent: March 19, 2024Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Tatsuya Kinugawa, Shota Saga, Junji Takeuchi, Manabu Osamura
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Patent number: 11929460Abstract: A solid-state battery includes a first electrode; a second electrode having a first side facing a first side of the first electrode and spaced from the first electrode; and a solid electrolyte at least partially disposed in a space between the first electrode and the second electrode for providing a path for metal ions associated with the first electrode and/or the second electrode to move through. The metal ions are kept differentially distributed along the path.Type: GrantFiled: November 27, 2019Date of Patent: March 12, 2024Assignee: CYNTEC CO., LTD.Inventors: Chihung Su, Wenhsiung Liao
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Patent number: 11923511Abstract: A novel wound electrode assembly for a lithium oxyhalide electrochemical cell is described. The electrode assembly comprises an elongate cathode of an electrochemically non-active but electrically conductive carbonaceous material disposed between an inner elongate portion and an outer elongate portion of a unitary lithium anode. That way, lithium faces the entire length of the opposed major sides of the cathode. This inner anode portion/cathode/outer anode portion configuration is rolled into a wound-shaped electrode assembly that is housed inside a cylindrically-shaped casing. A cylindrically-shaped sheet-type spring centered in the electrode assembly presses outwardly to limit axial movement of the electrode assembly. In one embodiment, all the non-active components, except for the cathode current collector which is nickel, are made of stainless-steel. This provides the cell with a low magnetic signature without adversely affecting the cell's high-rate capability.Type: GrantFiled: July 10, 2020Date of Patent: March 5, 2024Assignee: Electrochem Solutions, Inc.Inventors: Yufei Wang, John S. Miller, John Hession, Arden P Johnson
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Patent number: 11884163Abstract: An apparatus for detecting overheating of a battery module includes a battery pack including a first battery module and a second battery module, a first temperature fuse arranged on the first battery module and having a first resistance value, a second temperature fuse arranged on the second battery module and having a second resistance value, and a controller that detects an overheated battery module based on a total resistance value of the first and second temperature fuses, which are connected in parallel to each other.Type: GrantFiled: September 14, 2020Date of Patent: January 30, 2024Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Yoon Jun Lee, Jong Hu Yoon
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Patent number: 11855292Abstract: Embodiments herein relate to simplified and space efficient designs for multiplate batteries. In an embodiment, an electrochemical cell is included having an multiplate anode and multiplate cathode with a separator to provide physical separation between anode and cathode plates. Anode collectors can be in electrical communication with each anode plate and anode tabs in electrical communication with each anode collector. Cathode collectors can be in electrical communication with each cathode plate and cathode tabs in electrical communication with each cathode collector. An anode busbar can interconnect the plurality of anode tabs in parallel and a cathode busbar can interconnect the plurality of cathode tabs in parallel. The cathode busbar can be oriented such that the cathode tabs are not disposed between the cathode busbar and the plurality of cathode plates. Other embodiments are also included herein.Type: GrantFiled: April 16, 2020Date of Patent: December 26, 2023Assignee: Cardiac Pacemakers, Inc.Inventors: Kurt E. Koshiol, Ignacio Chi, Joseph Charles Delmedico
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Patent number: 11848461Abstract: An energy storage module includes: a plurality of battery cells such that long side surfaces of adjacent ones of the battery cells face one another; a plurality of insulation spacers, at least one of the insulation spacers being between adjacent battery cells, each of the insulation spacers including a heat-insulating first sheet and a plurality of flame-retardant second sheets respectively adhered to opposite surfaces of the first sheet by an adhesion member; a cover member including an internal receiving space configured to accommodate the battery cells and the insulation spacers; a top plate coupled to the cover member and including ducts respectively corresponding to vents of the battery cells and having fire extinguishing agent openings respectively corresponding to the insulation spacers; a top cover coupled to the top plate and having discharge openings respectively corresponding to the ducts; and an extinguisher sheet between the top cover and the top plate.Type: GrantFiled: June 15, 2020Date of Patent: December 19, 2023Assignee: Samsung SDI Co., Ltd.Inventors: Jin Taek Kim, Eun Ok Kwak, Jang Hoon Kim, Jin Bhum Yun, Jong Yeol Woo, Kwang Deuk Lee, Woo Sung Choi
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Patent number: 11843134Abstract: A power control system for a battery system of a vehicle includes a first contactor, a second contactor, N fuses and N vehicle loads. An active sacrificial protection device includes a third contactor and a first fuse. The active sacrificial protection device is connected to a positive or negative terminal of the battery system. A current sensor is configured to sense a measured load current flowing through one of the first contactor and the second contactor. A battery management module is configured to selectively close the third contactor to reduce current flowing through one of the first contactor or the second contactor and selectively open the one of the first contactor or the second contactor after closing the third contactor.Type: GrantFiled: November 10, 2021Date of Patent: December 12, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Mark Daniel Gottlieb, Venkata Prasad Atluri, Madhusudan Raghavan
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Patent number: 11824186Abstract: In a method of making a negative electrode for an electrochemical cell of a secondary lithium battery, a precursor mixture is prepared that includes electrochemically active Li—Si alloy particles, electrically conductive carbon particles, and an inert polymer binder dissolved in a nonpolar organic solvent.Type: GrantFiled: April 2, 2021Date of Patent: November 21, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bradley R. Frieberg, Nicole Ellison, Xiaosong Huang, Zhongyi Liu
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Patent number: 11824191Abstract: An alkali- and/or alkaline earth-ion sulfur battery having at least one cathode containing a cathode current collector foil, optionally a conductive adhesive interlayer, a primary cathode mass layer containing a conductive dimensionally stable porous host structure, sulfur as an active material, preferably at least 20% of the sulfur present is monoclinic sulfur allotrope, and optionally conductive additives, binders and pore-forming additives; a secondary cathode mass layer containing sulfur and alkali-ion- and/or alkaline earth-ion-intercalating material, optionally a layer containing graphene oxide and/or reduced graphene oxide, heteroatom Group VIIa and/or Group Va elements co-doped graphene, and a Group VIIa and/or Group Va heteroatom-containing polymer; at least one anode and at least one separator. The resulting cells offer a wide range of economic and ecological advantages over the currently available cells, as well as allowing versatility of materials and production processes.Type: GrantFiled: April 15, 2019Date of Patent: November 21, 2023Assignees: BRNO UNIVERSITY OF TECHNOLOGY, MORROW TECHNOLOGIES ASInventors: Marie Sedlarikova, Tomas Kazda, Marek Slavik, Andrea Strakova Fedorkova
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Patent number: 11799172Abstract: An electrochemical cell comprises a casing having an open- ended container closed by a lid. An anode and cathode are housed inside the casing. The cathode housed inside a primary separator envelope is electrically connected to a positive polarity terminal pin electrically isolated from the casing by a glass-to- The anode is electrically connected to the casing metal seal. serving as a negative terminal. The primary separator enveloping the cathode is contained in a secondary separator comprising an open-ended bag-shaped member extending to an open annular edge. The open annular edge of the secondary separator resides between the cathode electrically connected to the terminal pin and the anode electrically connected to the casing. An electrolyte provided in the casing activates the anode and cathode.Type: GrantFiled: October 20, 2021Date of Patent: October 24, 2023Assignee: Greatbatch Ltd.Inventor: Gary Freitag
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Patent number: 11791519Abstract: A transient or biodegradable battery is provided having a filament structure that limits the speed of reaction allowing for a longer duration of battery power with a controlled current limit. In one embodiment, the filament may be constructed of zinc microparticles or nanoparticles having a thin outer insulation whereby a chemical reaction at the center core results in the progressive disintegration of the insulation revealing more core material. In one embodiment, microparticles or nanoparticles are coated with outer layers of chitosan and Al2O3 nanofilms, respectively, with designable discharge current and battery lifespan by controlling the exposed cross-sectional area of the zinc microparticle center core and the length of the filament, respectively. This novel structure of biodegradable battery provides improved control of battery life and power output, providing a promising solution to power transient medical implants.Type: GrantFiled: October 14, 2021Date of Patent: October 17, 2023Assignee: Wisconsin Alumni Research FoundationInventors: Xudong Wang, Yutao Dong
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Patent number: 11791521Abstract: Electric tabs and methods for manufacturing are described. A method includes disposing a dielectric layer on a second side of a base material, the base material having a first side and the second side. The method including developing the dielectric layer on the second side of the base material. And, the method including etching the first side of the base material to form an electrode tab.Type: GrantFiled: September 10, 2020Date of Patent: October 17, 2023Assignee: Hutchinson Technology IncorporatedInventors: Douglas P. Riemer, Peter F. Ladwig, Joseph D. Starkey, Michael W. Davis, Duane M. Jelkin
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Patent number: 11769921Abstract: A battery pack includes: a plurality of battery cells; and a holder including cell regions in which the plurality of battery cells are arranged, and well regions each arranged between adjacent cell regions of the cell regions, each of the well regions being connected to at least one of the adjacent cell region and being filled with a filling resin.Type: GrantFiled: December 30, 2020Date of Patent: September 26, 2023Assignee: Samsung SDI Co., Ltd.Inventors: Byungkook Ahn, Changyong Yun
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Patent number: 11757130Abstract: An additive for a non-aqueous electrolyte solution that can exhibit high-temperature cycle properties at 50° C. or more and low-temperature output properties at ?20° C. or less in a well-balanced manner for a non-aqueous electrolyte solution battery. The additive for a non-aqueous electrolyte solution is represented by formula [1], wherein Z1, Z2, Z3, Z4, Mp+ and p are as defined in the specification.Type: GrantFiled: September 12, 2018Date of Patent: September 12, 2023Assignee: CENTRAL GLASS CO., LTD.Inventors: Takayoshi Morinaka, Susumu Iwasaki, Keita Nakahara, Makoto Kubo, Mikihiro Takahashi
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Patent number: 11749807Abstract: A microelectronic device is provided, including: a support; and an electrically conductive element including in a stack and successively above a first face of the support, a first layer based on a metal and a second layer, in contact with the first layer, based on a material selected from among MoSi and WSiy. A method for manufacturing the microelectronic device is also provided.Type: GrantFiled: November 13, 2020Date of Patent: September 5, 2023Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Guillaume Rodriguez, Christophe Dubarry, Aomar Halimaoui, Magali Tessaire