Patents Examined by Alexander Usyatinsky
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Patent number: 12294085Abstract: A cathode material includes a plurality of first particles. Each first particle includes a secondary particle composed of a plurality of third particles, and the first particle includes a first lithium-containing transition metal oxide; and a plurality of second particles. The second particle includes a fourth particle and/or a secondary particle composed of a plurality of fourth particles, and the second particle includes a second lithium-containing transition metal oxide. The electrochemical device including the cathode material is significantly improved in the aspects of energy density, capacity attenuation and service life.Type: GrantFiled: January 31, 2024Date of Patent: May 6, 2025Assignee: NINGDE AMPEREX TECHNOLOGY LIMITEDInventors: Wenyuan Liu, Gang Peng, Ye Lang, Leimin Xu
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Patent number: 12294104Abstract: A battery module includes a first housing portion and a second housing portion defining a sealed volume. A plurality of electrochemical cells is provided in the volume, each of the plurality of electrochemical cells including a respective vent to enable a release of a gas into the volume when an internal pressure of the respective electrochemical cell reaches a threshold. A ventilation vent is coupled with the housing and in fluid communication with the volume. A burst vent is coupled with the housing and in fluid communication with the volume, the burst vent including a valve having a first valve portion and a second valve portion. The first and second valve portions enable a staged release of vented gases through the burst vent based on incremented thresholds.Type: GrantFiled: November 20, 2023Date of Patent: May 6, 2025Assignee: CPS Technology Holdings LLCInventors: Robert J. Mack, William M. Cavanaugh
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Patent number: 12288847Abstract: A nonaqueous electrolyte secondary battery includes an electrode assembly and an electrolyte solution. The electrode assembly includes a laminated assembly. The laminated assembly includes a positive electrode plate, a negative electrode plate, and a separator. The separator separates the positive electrode plate and the negative electrode plate from each other. The separator includes a porous resin layer. The porous resin layer includes a polyolefin-based material. The negative electrode plate includes a negative electrode active material layer. The negative electrode active material layer includes negative electrode active material particles. The negative electrode active material layer is in direct contact with the porous resin layer. The negative electrode active material layer has a puncture resistance of more than or equal to 0.60 N/mm.Type: GrantFiled: April 21, 2022Date of Patent: April 29, 2025Assignee: PRIME PLANET ENERGY & SOLUTIONS, INC.Inventor: Yuto Shimizu
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Patent number: 12283678Abstract: A battery module includes a battery cell stack in which a plurality of battery cells are stacked, a module frame for housing the battery cell stack, a thermal conductive resin layer located between a bottom portion of the module frame and the battery cell stack, and a heat sink located below a bottom portion of the module frame. The bottom portion of the module frame has an upper plate of the heat sink, and an avoidance portion for exposing one end of the bottom portion of the module frame is formed at one end of the heat sink.Type: GrantFiled: March 11, 2021Date of Patent: April 22, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Changhun Lee, Junyeob Seong, Myungki Park
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Patent number: 12278336Abstract: An alkali metal electrode treatment agent including an acrylate represented by the following general formula (1): wherein X, Y and Rf are as defined herein and/or a polymer containing an acrylate represented by the general formula (1) as a part or all of its constituent units. Also disclosed is an electrolytic solution for an alkali metal secondary battery and an alkali metal electrode including the acrylate represented by the general formula (1), an alkali metal secondary battery including the alkali metal electrode, and a module including the alkali metal secondary battery.Type: GrantFiled: June 30, 2020Date of Patent: April 15, 2025Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Shigeaki Yamazaki, Yoshiko Kuwajima
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Patent number: 12278337Abstract: The present invention relates to an electrolyte composition including a lithium salt; a non-aqueous organic solvent; a compound represented by a specific formula; and a perfluoropolyether oligomer, a gel polymer electrolyte including a polymer network which is formed by a polymerization reaction of the electrolyte composition, and a lithium secondary battery including the same.Type: GrantFiled: July 14, 2022Date of Patent: April 15, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Won Kyung Shin, Kyoung Ho Ahn, Jun Hyeok Han, Su Hyeon Ji, Chul Haeng Lee, Min Jung Kim, Won Tae Lee, Young Ho Oh, You Kyeong Jeong
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Patent number: 12261299Abstract: An electrode having a coating layer formed from a composition including a perfluoropolyether group-containing compound represented by the formula (A1), (A2), (B1), (B2), (C1), (C2), (D1), (D2), (E1) or (E2) as defined herein, wherein in the composition, compounds represented by formulae (A2), (B2), (C2), (D2) and (E2) are 0.1 mol % or more and 35 mol % or less based on the total amount of compounds represented by formulae (A1), (B1), (C1), (D1) and (E1) and compounds represented by formulae (A2), (B2), (C2), (D2) and (E2). Also disclosed is an electrochemical device including the electrode.Type: GrantFiled: November 6, 2020Date of Patent: March 25, 2025Assignee: DAIKIN INDUSTRIES, LTD.Inventors: Shigeaki Yamazaki, Yoshiaki Honda, Toshiharu Shimooka, Yoshimi Motonari, Hisashi Mitsuhashi
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Patent number: 12261337Abstract: An aqueous electrolyte solution can comprise a redox-active compound, wherein the redox-active compound is a functionalized ferrocene containing solubility-facilitating groups attached to a cyclopentadienyl ring via spacers, the spacers having two to four carbon atoms. The electrolyte solution may be used in redox flow batteries and is characterized by high stability of the redox active compound at elevated temperatures of 30° C. or above.Type: GrantFiled: November 27, 2019Date of Patent: March 25, 2025Assignee: FRIEDRICH-SCHILLER-UNIVERSITAET JENAInventor: Ulrich Sigmar Schubert
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Patent number: 12255292Abstract: An example outdoor mounted device includes a first battery configured to operate at a low temperature range that at least includes negative 20 Celsius; a second battery configured to operate at a high temperature range; a temperature sensor; and processing circuitry configured to: determine, based on data received from the temperature sensors, a current temperature; responsive to determining that the current temperature is within the low temperature range, cause one or more components of the computing device to operate using electrical energy sourced from the first battery; and responsive to determining that the current temperature is within the high temperature range, cause the one or more components of the computing device to operate using electrical energy sourced from the second battery.Type: GrantFiled: March 15, 2024Date of Patent: March 18, 2025Assignee: Google LLCInventors: James Robert Lim, Wei Li, Brian Conner, Brett Wilson
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Patent number: 12255336Abstract: A negative electrode and a lithium secondary battery include the negative electrode, wherein the negative electrode includes a metal current collector and a negative electrode active material layer including a negative electrode active material and metal nanowires and formed on the metal current collector. The negative electrode active material includes a silicon-based active material and a carbon-based active material, and the metal nanowires include one or more metals selected from the group consisting of copper, gold, nickel, cobalt, and silver.Type: GrantFiled: February 7, 2020Date of Patent: March 18, 2025Assignee: LG Energy Solution, Ltd.Inventors: Dong Hyuk Kim, Yong Ju Lee, Il Geun Oh
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Patent number: 12247154Abstract: The use of a refrigerant including 2,3,3,3-tetrafluoropropene for the heating of a battery of an electric vehicle including at least one electrochemical cell including a negative electrode, a positive electrode and an electrolyte, the electrolyte including a lithium salt and the negative electrode including metallic lithium as electrochemically active material.Type: GrantFiled: June 3, 2020Date of Patent: March 11, 2025Assignee: Arkema FranceInventor: Gregory Schmidt
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Patent number: 12237473Abstract: A secondary battery includes a partition, a negative electrode, a positive electrode, a first aqueous electrolytic solution, and a second aqueous electrolytic solution. The partition separates a first space and a second space from each other and allows a metal ion to pass therethrough between the first space and the second space. The negative electrode is disposed in the first space. The positive electrode is disposed in the second space. The first aqueous electrolytic solution is contained in the first space. The second aqueous electrolytic solution is contained in the second space. The second aqueous electrolytic solution has a pH lower than the first aqueous electrolytic solution.Type: GrantFiled: October 22, 2021Date of Patent: February 25, 2025Assignee: Murata Manufacturing Co., Ltd.Inventor: Takumi Hiasa
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Patent number: 12237540Abstract: This application provides an output electrode base, a battery module, and an electric vehicle, and relates to the technical field of batteries. The output electrode base provided in this application includes: a base body and a connecting member. A cavity is made in the base body. At least a part of the connecting member is located inside the cavity and fixed to the base body. A plurality of first stop blocks are disposed around an outer peripheral wall of the connecting member, and the plurality of first stop blocks are configured to limit movement of the connecting member. The battery module provided in this application includes: a battery cell; an output electrode base provided in this application; and an output electrode connecting plate, fixed to the output electrode base.Type: GrantFiled: December 27, 2021Date of Patent: February 25, 2025Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITEDInventors: Jun Liu, Chengjin Lin, Zhiling Li, Jihua Yao
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Patent number: 12230792Abstract: A supporter of lithium metal, a material of the supporter of lithium metal is at least one of copper, an alloy of the copper, nickel, or an alloy of the nickel, and a surface of the supporter of lithium metal comprises a lithiophilic surface.Type: GrantFiled: June 7, 2021Date of Patent: February 18, 2025Assignee: Xiamen UniversityInventors: BingWei Mao, Yu Gu, Hongyu Xu, Weiwei Wang, Jiawei Yan
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Nitrile-substituted silanes and electrolyte compositions and electrochemical devices containing them
Patent number: 12230751Abstract: Described herein are liquid, organosilicon compounds that including a substituent that is a cyano (—CN), cyanate (—OCN), isocyanate (—NCO), thiocyanate (—SCN) or isothiocyanate (—NCS). The organosilicon compounds are useful in electrolyte compositions and can be used in any electrochemical device where electrolytes are conventionally used.Type: GrantFiled: February 25, 2022Date of Patent: February 18, 2025Assignee: Silatronix, IncInventors: Jose Adrian Pena Hueso, David Osmalov, Jian Dong, Monica Usrey, Michael Pollina, Robert C. West -
Patent number: 12218389Abstract: A fuel cell includes a plurality of unit cells disposed in a stack. Each unit cell includes a membrane electrode assembly (MEA) having an anode and a cathode and a bipolar plate having a cathode side defining a recessed pocket in fluid communication with an air port, an anode side, and coolant channels between the cathode and anode sides. The bipolar plate is disposed against the MEA such that the cathode is disposed over the pocket. A flow guide is disposed in the pocket with a front side facing the MEA and a back side facing a bottom of the pocket. The flow guide has a plurality of embossments.Type: GrantFiled: July 20, 2023Date of Patent: February 4, 2025Assignee: Ford Global Technologies, LLCInventors: Chunchuan Xu, Zijie Lu, Jun Yang, Daniel E. Wilkosz, Shinichi Hirano
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Patent number: 12211991Abstract: The present disclosure relates to a method for manufacturing a negative electrode for an all solid state secondary battery, including the steps of: (S1) preparing a preliminary negative electrode including: a current collector; and a negative electrode active material layer formed on at least one surface of the current collector, and containing a plurality of negative electrode active material particles and a solid electrolyte; (S2) disposing a lithium layer on the negative electrode active material layer; (S3) dipping the preliminary negative electrode having the lithium layer disposed thereon in an organic solvent; and (S4) removing the lithium layer. The present disclosure also relates to a negative electrode for an all solid state secondary battery obtained by the method. The negative electrode for an all solid state secondary battery provides improved initial efficiency and cycle characteristics.Type: GrantFiled: September 25, 2019Date of Patent: January 28, 2025Assignee: LG Energy Solution, Ltd.Inventors: Eun-Bee Kim, Ji-Hoon Ryu, Jung-Pil Lee, Vin-Na Jo
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Patent number: 12206128Abstract: A sheet-type cell disclosed in this application includes an outer case and a power generation element contained in the outer case. The power generation element includes a positive electrode, a negative electrode, a separator, and an electrolyte solution. The separator is constituted by a porous resin sheet. The outer case includes a first outer case member and a second outer case member. Each outer case member includes a thermally fusible resin layer. The first outer case member and the second outer case member are disposed on respective opposite sides of the power generation element. A periphery of the first outer case member and a periphery of the second outer case member are sealed by thermally welding, with a periphery of the separator interposed between the peripheries of the first and second outer case members.Type: GrantFiled: March 9, 2020Date of Patent: January 21, 2025Assignee: Maxell, Ltd.Inventors: Yasuhiro Naka, Takahiro Furutani
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Patent number: 12199287Abstract: The invention relates to an anode for a Li-ion rechargeable battery, said anode being covered with a protective film based on fluorinated copolymer(s). The invention also relates to the processes for preparing this anode. The invention also relates to a Li-ion rechargeable battery comprising an anode according to the invention. The invention lastly relates to the use of fluorinated copolymer(s) as film for covering an anode for a lithium-ion battery comprising a negative electrode active material.Type: GrantFiled: July 25, 2019Date of Patent: January 14, 2025Assignee: ARKEMA FRANCEInventors: Dominique Plee, Fabrice Domingues Dos Santos, Gregory Schmidt
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Patent number: 12191548Abstract: A hybrid redox fuel cell system includes a hybrid redox fuel cell including an anode side through which a reductant is flowed and a cathode side through which liquid electrolyte is flowed, and a trickle bed reactor including a catalyst bed fluidly connected to the cathode side of the hybrid redox fuel cell. Furthermore, the liquid electrolyte includes a metal ion at a higher oxidation state and the metal ion at a lower oxidation state, and power is generated at the hybrid redox fuel cell by way of reducing the metal ion at the higher oxidation state to the lower oxidation state at the cathode side while oxidizing the reductant at the anode side.Type: GrantFiled: September 2, 2022Date of Patent: January 7, 2025Assignee: ESS TECH, INC.Inventors: Yang Song, Craig Evans