Patents Examined by Sarah A Slifka
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Patent number: 12218379Abstract: An improved multilayer laminated microporous battery separator for a lithium ion secondary battery, and/or a method of making or using this separator is provided. The preferred inventive dry process separator is a tri-layer laminated Polypropylene/Polyethylene/Polypropylene microporous membrane with a thickness range of 12 ?m to 30 ?m having improved puncture strength and low electrical resistance for improved cycling and charge performance in a lithium ion battery. In addition, the preferred inventive separator's or membrane's low Electrical Resistance and high porosity provides superior charge rate performance in a lithium battery for high power applications.Type: GrantFiled: September 19, 2023Date of Patent: February 4, 2025Assignee: Celgard, LLCInventors: Xiaomin Zhang, Lie Shi, William John Paulus
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Patent number: 12215272Abstract: Heat transfer fluid concentrates include: (a) a freezing point depressant; and (b) a non-ionic surfactant comprising (i) a corrosion inhibitor for copper and copper alloys and (ii) a polyalkylene glycol. A conductivity of the heat transfer fluid concentrate is less than or equal to about 100 S/cm. Ready-to-use heat transfer fluids and methods for preventing corrosion in heat transfer systems are described.Type: GrantFiled: March 6, 2020Date of Patent: February 4, 2025Assignee: Prestone Products LLCInventors: Bo Yang, Peter M. Woyciesjes
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Patent number: 12199252Abstract: Among other things, the present disclosure relates to re-purposing used lithium-ion batteries. The present disclosure includes treating an electrode using a solvent prior to electrochemically relithiating the electrode. In some embodiments, the relithiation may be done using a roll-to-roll device, wherein the electrode may be secured on a first pin and a second pin, then it may be unwound and submerged in an electrolyte solution. Lithium ions may be inserted into the electrode using a voltage. The layer of lithium may provide lithium ions to the electrode.Type: GrantFiled: December 5, 2023Date of Patent: January 14, 2025Assignee: Alliance for Sustainable Energy, LLCInventors: Kandler Alan Smith, Shriram Santhanagopalan, Nathaniel Alexander Sunderlin, Andrew Michael Colclasure, Chunmei Ban, Xuemin Li, Judy C. Netter, Donal Patrick Finegan, Kaitlin Elizabeth Fink, Jaclyn Elizabeth Coyle
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Patent number: 12199298Abstract: A battery energy storage module and a battery energy storage device. The battery energy storage module comprises: a structure body (101), a support member (102), and a cell group (103). A cavity for accommodating the cell group (103) is formed inside the structure body (101). The structure body (101) is provided with an opening. The cell group (103) is disposed in the cavity of the structure body (101) through the opening of the structure body (101). The support member (102) is used for supporting the structure body (101) to protect the cell group (103) disposed in the cavity of the structure body (101). Because the support member (102) is used for supporting the structure body (101) to protect the cell group (103) disposed in the cavity of the structure body (101), the battery energy storage module can have strong impact resistance, and can be applied to a full vehicle environment alone without being disposed in a protection tray.Type: GrantFiled: November 12, 2019Date of Patent: January 14, 2025Assignee: SAIC MOTOR CORPORATION LIMITEDInventors: Jun Zhu, Kewei Lu, Dingxian Zhou, Haiping Chen, Shuyuan Liu, Zhao Li, Yaqi Chen, Xunwen Cao, Fengyi Chen
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Patent number: 12191516Abstract: The invention relates to a mounting device (1) for a composite battery (7) consisting of a plurality of battery cells (71), comprising a printed circuit board (2) with electrical lines and switch elements for connecting the battery cells in parallel or series connection, a safety device with safety instruments (51) for the overcurrent protection of each battery cell, a housing with two housing parts (61, 62), having contact regions (63) for fixing the battery cells, wherein the contact regions of at least one housing part are designed as enclosures (64) for embracing a battery cell, the circuit board comprises recesses (23) for receiving and contacting (31, 32) in each case one battery cell in a respective enclosure, and wherein each recess embraces an enclosure with a battery cell in its maximum cross-sectional area.Type: GrantFiled: December 20, 2021Date of Patent: January 7, 2025Inventor: Maximilian Weiland
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Patent number: 12191496Abstract: The present invention provides a slurry composition comprising (a) an electrochemically active material and/or an electrically conductive agent; and (b) a binder comprising (i) a polymer comprising a fluoropolymer dispersed in a liquid medium; and (ii) a polymer comprising an addition polymer comprising constitutional units comprising the residue of a heterocyclic group-containing ethylenically unsaturated monomer. The present invention also provides electrodes and electrical storage devices.Type: GrantFiled: December 8, 2023Date of Patent: January 7, 2025Assignee: PPG Industries Ohio, Inc.Inventors: Stuart D. Hellring, Scott W. Sisco, Jacob W. Mohin, Shanti Swarup, Calum H. Munro, Olivia L Jones, Ryan T. Plazio
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Patent number: 12170392Abstract: A modular device for generating hydrogen gas from a hydrogen liquid carrier may include a housing; an inlet for receiving the hydrogen liquid carrier; and at least one cartridge arranged within the housing. The cartridge may include at least one catalyst configured to cause a release of hydrogen gas when exposed to the hydrogen liquid carrier. The modular device may include a gas outlet for expelling the hydrogen gas released in the modular device and a liquid outlet for expelling spent hydrogen liquid carrier.Type: GrantFiled: May 27, 2022Date of Patent: December 17, 2024Assignee: Electriq-Global Energy Solutions Ltd.Inventors: Guy Nevo-Michrowski, Roman Futerman
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Patent number: 12166202Abstract: A cathode includes a disordered rocksalt phase material and a coating layer disposed on a surface of the disordered rocksalt phase material. The coating layer may include one or more of an oxide, a phosphate, a phosphide, or a fluoride.Type: GrantFiled: August 26, 2022Date of Patent: December 10, 2024Assignee: Wildcat Discovery Technologies, Inc.Inventors: Tanghong Yi, Bin Li, Sun-Ho Kang, Yunguang Zhu, Han Wang
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Patent number: 12166179Abstract: A method for producing an all solid state battery using a precipitation-dissolution reaction of metallic Li as a reaction of an anode, includes a preparation step, a liquid composition preparation step, a coating layer formation step, and a separator formation step. The preparation step includes preparing a sulfide solid electrolyte represented by Li7-aPS6-aXa (X is at least one of Cl, Br, and I, and a satisfies 0?a?2), the liquid composition preparation step includes dissolving the sulfide solid electrolyte in an alcohol-based solvent to prepare a liquid composition, the coating layer formation step includes applying the liquid composition to an anode current collector to form a coating layer, the separator formation step includes forming a separator by volatilizing the alcohol-based solvent from the coating layer by drying, and the ratio of the sulfide solid electrolyte contained in the liquid composition is 10% by weight to 30% by weight.Type: GrantFiled: August 28, 2023Date of Patent: December 10, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Keisuke Morita, Chihiro Yada, Yushi Suzuki
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Patent number: 12159995Abstract: A negative electrode active material with high capacity and excellent cycle performance and rate performance is provided. In addition, a secondary battery including the negative electrode active material, and an electronic device including the secondary battery are provided. Nanosilicon is mixed with a solid electrolyte containing lithium, titanium, phosphorus, and oxygen, and graphene oxide is further added thereto. Then, graphene oxide contained in the mixture is reduced with ethanol in which ascorbic acid and lithium hydroxide hydrate are dissolved, so that the negative electrode active material is manufactured.Type: GrantFiled: March 26, 2019Date of Patent: December 3, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Mayumi Mikami, Jun Ishikawa, Miku Fujita, Kazuhei Narita
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Patent number: 12155036Abstract: Methods of reducing acid stratification with an acid-soluble and acid-stable polymer with a high molecular weight are disclosed herein. Electrolytes and separators for an energy storage device are disclosed herein. The separator includes a coating containing an acid-soluble and acid-stable polymer with a high molecular weight. The electrolyte includes sulfuric acid and an acid-soluble and acid-stable polymer with a high molecular weight. Methods of making the separators disclosed herein and methods of making batteries are also disclosed herein.Type: GrantFiled: December 12, 2023Date of Patent: November 26, 2024Assignee: Amtek Research International LLCInventors: Daniel Wandera, Robert Waterhouse, Wyatt Self, Eric B. Hostetler, Richard W. Pekala
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Patent number: 12148898Abstract: The present invention relates to an electric battery (10). The electric battery (10) comprises plural battery cells (12), with each battery cell comprising a container. The container contains an electrochemical arrangement. Each battery cell (12) comprises positive and negative terminals of sheet form which extend from the electrochemical arrangement. The electric battery further comprises plural measurement arrangements (14), with each of the plural measurement arrangements being electrically coupled to each of two spaced apart locations on one of the positive and negative terminals of a respective one of the plural battery cells. Each of the plural measurement arrangements (14) is configured to measure potential difference between the two spaced apart locations.Type: GrantFiled: February 6, 2023Date of Patent: November 19, 2024Assignee: DUKOSI LIMITEDInventor: Joel Sylvester
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Patent number: 12148963Abstract: Disclosed is a membrane-electrode assembly having increased active area, improved fluid management capability, and decreased gas transfer resistance due to electrodes having patterned structures on both sides. Also disclosed are a method for manufacturing same, and a fuel cell comprising same. A membrane-electrode assembly according to the present invention comprises: a first electrode; a second electrode; and a polymer electrolyte membrane between the first and second electrodes, wherein the first electrode has a first surface facing the polymer electrolyte membrane and a second surface opposite the first surface, the first surface having a first patterned structure, and the second surface having a second patterned structure.Type: GrantFiled: December 23, 2020Date of Patent: November 19, 2024Assignee: KOLON INDUSTRIES, INC.Inventors: Nak Won Kong, Kyoung Sik Nam, Kah Young Song, Jun Young Kim, Ju Sung Lee
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Patent number: 12142728Abstract: A solid-state battery having a low heat generation amount and low resistance, and a method for producing the same. The solid-state battery is a solid-state battery comprising: a cathode comprising a cathode layer that contains an oxide-based cathode active material, an anode comprising an anode layer that contains an anode active material, and a solid electrolyte layer being disposed between the cathode layer and the anode layer and containing a solid electrolyte, wherein at least any one of the cathode layer and the solid electrolyte layer contains a sulfide-based solid electrolyte, and wherein the sulfide-based solid electrolyte comprises a high oxygen concentration layer on a contact surface with the oxide-based cathode active material, the high oxygen concentration layer having a higher oxygen element concentration than other parts except the contact surface.Type: GrantFiled: September 7, 2023Date of Patent: November 12, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Jun Yoshida, Shinya Shiotani, Masaru Kubota, Yohei Shindo, Takeshi Usami
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Patent number: 12142766Abstract: High energy density and long cycle life all solid-state electrolyte lithium-ion batteries use ceramic-polymer composite anodes which include a polymer matrix with ceramic nanoparticles, silicon-based anode active materials, conducting agents, lithium salts and plasticizer distributed in the matrix. The silicon-based anode active material are anode active particles formed by high energy milling a mixture of silicon, graphite, and metallic and/or non-metallic oxides. A polymer coating is applied to the particles. The networking structure of the electrolyte establishes an effective lithium-ion transport pathway in the electrode and strengthens the contact between the electrode layer and solid-state electrolyte resulting in higher lithium-ion battery cell cycling stability and long battery life.Type: GrantFiled: December 6, 2023Date of Patent: November 12, 2024Assignee: Solid Energies Inc.Inventors: Zhigang Lin, Kevin Zanjani
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Patent number: 12136749Abstract: A seal structure is provided that follows fluctuations in a gap between a pair of fuel cell separators without generating a large tightening force. A pair of separators facing each other with an electrolyte membrane as a mating member interposed therebetween have beads which form a flow path for fluid between the beads and the electrolyte membrane in close contact with the electrolyte membrane. A seal which seals the pair of separators causes the beads 14 of the pair of these separators to overlap each other in a nested manner. A seal material having elasticity is provided between side walls of the respective beads which face each other. When the gap between the pair of separators fluctuates, the seal material deforms in a shearing direction.Type: GrantFiled: August 24, 2020Date of Patent: November 5, 2024Assignee: NOK CORPORATIONInventors: Taisuke Matsuda, Shigeru Watanabe
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Patent number: 12132241Abstract: A method of rebalancing electrolytes in a redox flow battery system comprises directing hydrogen gas generated on the negative side of the redox flow battery system to a catalyst surface, and fluidly contacting the hydrogen gas with an electrolyte comprising a metal ion at the catalyst surface, wherein the metal ion is chemically reduced by the hydrogen gas at the catalyst surface, and a state of charge of the electrolyte and pH of the electrolyte remain substantially balanced.Type: GrantFiled: November 9, 2023Date of Patent: October 29, 2024Assignee: ESS TECH, INC.Inventors: Yang Song, Craig E. Evans
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Patent number: 12132208Abstract: A battery includes an electrolyte, a metal anode and a cathode. The metal anode includes a porous material disposed thereon to protect the metal anode. The porous material has a zeta potential with a magnitude of at least above 15 mV in the electrolyte. The porous material can include a cross-linked polymer having segments with polar functional groups. Examples of polar functional groups include, but are not limited to, those comprising one or more among O, N, P, S, and B.Type: GrantFiled: April 12, 2019Date of Patent: October 29, 2024Assignee: The Penn State Research FoundationInventors: Donghai Wang, Guoxing Li
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Patent number: 12125968Abstract: Provided are a method of manufacturing a solid electrolyte sheet including: heating a preformed body that is obtained by performing pre-pressure-forming on inorganic solid electrolyte particles containing solid particles plastically deformable at 250° C. or lower at a specific temperature or on inorganic solid electrolyte particles containing solid particles that have a thermal decomposition temperature of 250° C. or lower and that are plastically deformable at 250° C. or lower at a specific temperature and then performing pre-pressure-forming at a specific temperature to form a solid electrolyte layer consisting of inorganic solid electrolyte particles, a method of manufacturing a negative electrode sheet for an all-solid state secondary battery, and a method of manufacturing an all-solid state secondary battery, which include the method of manufacturing a solid electrolyte sheet.Type: GrantFiled: September 28, 2020Date of Patent: October 22, 2024Assignee: FUJIFILM CorporationInventors: Shinji Imai, Hideyuki Suzuki, Shin Ozawa
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Patent number: 12126010Abstract: A method for forming a cathode includes milling a suspension of precursors via a micromedia mill to form a mixture of primary particles in the suspension. The precursors include one or more metal compounds. The method includes spray drying the suspension after the milling to form secondary particles. The secondary particles are agglomerations of the primary particles. The method also includes annealing the secondary particles to form a disordered rocksalt powder.Type: GrantFiled: November 29, 2023Date of Patent: October 22, 2024Assignee: Wildcat Discovery Technologies, Inc.Inventors: Tanghong Yi, Bin Li