Patents Examined by Victoria H Lynch
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Patent number: 12294124Abstract: A method of monitoring operation of a reactor system includes causing a chemical reaction to occur within an assembly of the reactor system, and measuring a chemical composition of one or more reactants of the chemical reaction with spatial resolution at a plurality of points along a path within the assembly using a sensor system structured to implement distributed sensing. The sensor system includes an optical fiber sensing member provided at least partially within the assembly, wherein the optical fiber sensing member comprises a functionalized optical fiber based sensor device structured to exhibit a change in one or more optical properties in response to changes in the chemical composition of the one or more reactants.Type: GrantFiled: April 19, 2022Date of Patent: May 6, 2025Assignee: University of Pittsburgh—Of the Commonwealth System of Higher EducationInventors: Peng K. Chen, Jacob Lorenzi Poole, Paul R. Ohodnicki, Thomas D. Brown, Kirk R. Gerdes, Michael P. Buric
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Patent number: 12288887Abstract: The present invention relates to a case having a thermal barrier layer for a single cell. The composite case comprises a substrate and a double-layer structure coating on the substrate, wherein the double-layer structure coating includes an inner layer containing an aerogel material which has a ultra-low thermal conductivity, and an outer layer containing a barrier material which may prevent an electrolyte solvent from permeating into the inner layer. According to the present invention, the composite case can preserve cases in a prismatic or pouch cell from melting when cell goes to thermal runaway.Type: GrantFiled: May 22, 2019Date of Patent: April 29, 2025Assignee: Hefei Gotion High-Tech Power Energy Co., Ltd.Inventors: Ya Zhang, Yong Wang, Yong Cao, Zhihong Lin, Qian Cheng
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Patent number: 12283679Abstract: 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; and a heat sink which is formed under the bottom portion of the module frame and cools the plurality of battery cells. The heat sink includes a lower plate and a partition wall portion forming a flowing path of a refrigerant, and the partition wall portion is formed of a shape memory alloy, and the shape of the partition wall portion is deformed according to temperature, thereby changing the flow of the refrigerant.Type: GrantFiled: July 26, 2021Date of Patent: April 22, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Won Kyoung Park, Junyeob Seong, Honggoo Han, Hyun Seop Yun
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Patent number: 12278333Abstract: A solid electrolyte includes a compound having an argyrodite crystal structure represented by Formula 1, LiaMxPSbBrcXd.??Formula 1 wherein Formula 1, M is Na, K, Fe, Mg, Ca, Ag, Cu, Zr, Zn, or a combination thereof; X is Cl, I, or a combination thereof; and 0?x<1, 5?(a+x)<7, 5?a?6, 4?b?6, 0<(c+d)?2, and (c/d)>4.Type: GrantFiled: May 8, 2023Date of Patent: April 15, 2025Assignee: SAMSUNG SDI CO., LTD.Inventors: Hyunseok Kim, Saebom Ryu, Seoksoo Lee, Soyeon Kim
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Patent number: 12272849Abstract: A membrane electrode assembly for a fuel cell includes a catalyst layer having a first main surface and a second main surface, a gas diffusion layer disposed on a side of the first main surface, and an electrolyte membrane disposed on a side of the second main surface, wherein the gas diffusion layer includes a conductive material and a polymer resin, the conductive material comprises a fibrous carbon material, an average fiber diameter D of the fibrous carbon material is equal to or less than 25% of a thickness T of the catalyst layer, and in a cross section in a thickness direction of the catalyst layer, an arithmetic mean roughness Ra1 of the first main surface and an arithmetic mean roughness Ra2 of the second main surface satisfies the relation, Ra1>Ra2.Type: GrantFiled: June 24, 2022Date of Patent: April 8, 2025Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Shinichiro Imura, Takeshi Minamiura, Kenichi Ezaki, Tsutomu Kawashima, Miyuki Yoshimoto
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Patent number: 12272833Abstract: A scalable and manageable energy storage system and methods are disclosed. By accounting for the characteristics of an individual cell in a battery, the disclosed system and method prevents cell stress to extend the useful life span of the cell. A dynamic wiring topology allows the scalable and manageable energy storage system to directly control a load or be charged by a volatile energy source.Type: GrantFiled: April 21, 2020Date of Patent: April 8, 2025Assignee: Blue Volta Technology Inc.Inventors: Louay Alsakka, Maxim Moiseev
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Patent number: 12272780Abstract: The present application provides a battery module, an apparatus, a battery pack, and a method and device for manufacturing the battery module. The battery module includes: a first-type battery cell and a second-type battery cell, which are connected in series, the first-type battery cell and the second-type battery cell are battery cells of different chemical system, and the volume energy density of the first-type battery cell is less than the volume energy density of the second-type battery cell; and the capacity Cap1 of the first-type battery cell is greater than the capacity Cap2 of the second-type battery cell. While ensuring the safety performance of the battery module, the service life and the energy throughput of the battery module are effectively improved.Type: GrantFiled: December 28, 2021Date of Patent: April 8, 2025Assignee: Contemporary Amperex Technology Co., LimitedInventors: Chengdu Liang, Qian Liu, Quanguo Li, Yonghuang Ye, Wei Li
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Patent number: 12272820Abstract: The present technology relates to electrode materials comprising an electrochemically active material, wherein the electrochemically active material comprises a P2-type or a O3-type layered sodium metal oxide. The electrochemically active material is of formula NaxMO2, wherein 0.5?x?1.0 and M is selected from Co, Mn, Fe, Ni, Ti, Cr, V, Cu, Sb and their combinations. Also described are electrodes, electrochemical cells and batteries comprising the electrode materials.Type: GrantFiled: October 2, 2019Date of Patent: April 8, 2025Assignee: HYDRO-QUÉBECInventors: Yuesheng Wang, Abdelbast Guerfi, Karim Zaghib, Gilles Lajoie, Marie-Josée Vigeant
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Assembly comprising a SOEC/SOFC-type solid oxide stack and a high-temperature sealed coupling system
Patent number: 12264397Abstract: An assembly includes a solid-oxide pack of the SOEC/SOFC type and a system for clamping the pack. The assembly furthermore includes a coupling system gastight at high temperature, including a clamping base with a first through internal pipe to enable a tube to pass, a support base located in the pipe and having a second through internal pipe, and a seal, having a C shape, positioned against a first end of the support base. One of the clamping plates includes a through pipe for gas to pass having a support surface for the seal and a threaded countersink for receiving a thread of the clamping base.Type: GrantFiled: September 14, 2020Date of Patent: April 1, 2025Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVESInventors: Michel Planque, Thibault Monnet -
Patent number: 12266796Abstract: Provided is a positive electrode for a secondary battery, which has a small change in a crystal structure due to charging and discharging and has excellent cycle performance. The positive electrode for a secondary battery includes n positive electrode active material layers (n is an integer greater than or equal to 2), n?1 separation layer(s), and a positive electrode current collector layer. The positive electrode active material layers and the separation layer(s) are alternately stacked. The positive electrode active material layer contains lithium, cobalt, and oxygen. The separation layer contains a titanium compound. Titanium oxide and titanium nitride are preferable as the titanium compound, and titanium oxide is particularly preferable.Type: GrantFiled: September 7, 2020Date of Patent: April 1, 2025Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Tatsuyoshi Takahashi, Kunihiko Suzuki, Kanta Abe, Yuji Iwaki
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Patent number: 12266924Abstract: Systems and methods are provided for a battery management system (BMS) having a protection circuit. In one example, a vehicle battery system may include the BMS, the BMS including a cutoff circuit coupled to a short-circuit protection circuit, and a battery pack, wherein the short-circuit protection circuit may include a diode array, cathodes of the diode array being coupled to a positive terminal post of the battery pack and anodes of the diode array being coupled to a negative terminal post of the battery pack. In some examples, the cutoff circuit may further be coupled to a reverse bias protection circuit including a switchable current path arranged between a control input of the cutoff circuit and an output of the cutoff circuit. In this way, the vehicle battery system may be protected from unexpected voltage conditions via the BMS redirecting and dissipating excess current away from the cutoff circuit.Type: GrantFiled: April 18, 2023Date of Patent: April 1, 2025Assignee: A123 SYSTEMS LLCInventors: Yue Li, Steve Gierlach, Weiwei Lin, Brian Large, Jiaping Zhang, Ke Xu
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Patent number: 12266923Abstract: Systems and methods are provided for a battery management system (BMS) having a protection circuit. In one example, a vehicle battery system may include the BMS, the BMS including a cutoff circuit coupled to a short-circuit protection circuit, and a battery pack, wherein the short-circuit protection circuit may include a diode array, cathodes of the diode array being coupled to a positive terminal post of the battery pack and anodes of the diode array being coupled to a negative terminal post of the battery pack. In some examples, the cutoff circuit may further be coupled to a reverse bias protection circuit including a switchable current path arranged between a control input of the cutoff circuit and an output of the cutoff circuit. In this way, the vehicle battery system may be protected from unexpected voltage conditions via the BMS redirecting and dissipating excess current away from the cutoff circuit.Type: GrantFiled: April 18, 2023Date of Patent: April 1, 2025Assignee: A123 SYSTEMS LLCInventors: Yue Li, Steve Gierlach, Weiwei Lin, Brian Large, Jiaping Zhang, Ke Xu
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Patent number: 12266765Abstract: An embodiment of the present application provides an electrode assembly, a battery cell, a battery, and an electrode assembly manufacturing method and device, which belong to the technical field of batteries. The electrode assembly includes a positive electrode plate and a negative electrode plate, the positive electrode plate and the negative electrode plate being wound in a winding direction and forming a winding structure. The positive electrode plate comprises a plurality of first active substance layer regions and at least one first inactive substance layer region; and in an axial direction of the winding structure, the first inactive substance layer region is located between two adjacent first active substance layer regions, wherein, the first inactive substance layer region is provided with a first guide flow through hole, and the first guide flow through hole is configured to penetrate both sides in a thickness direction of the positive electrode plate.Type: GrantFiled: April 12, 2022Date of Patent: April 1, 2025Assignee: JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITEDInventors: Hu Xu, Haizu Jin, Jiang Liu, Xing Li, Chengdu Liang, Yuqun Zeng
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Patent number: 12255349Abstract: A separator for a secondary battery having a separator substrate and a coating layer formed on the separator substrate. The coating layer is on at least one surface of the separator substrate. The coating layer comprises an acrylate-based binder and an additive. The additive is a fluorine-based non-ionic surfactant, and provides a separator for a secondary battery with significantly improved electrolyte impregnation rate.Type: GrantFiled: September 2, 2020Date of Patent: March 18, 2025Assignee: LG ENERGY SOLUTION, LTD.Inventors: Kyung Ryun Ka, Sang Joon Lee, In Hyouk Sung, Je An Lee
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Patent number: 12255323Abstract: A preparation method obtains silicon oxide/carbon composite negative electrode material and a lithium-ion battery. The silicon oxide/carbon composite negative electrode material is a secondary particle, and mainly consists of a SiOx/C material. The SiOx/C material includes SiOx particles and a carbon layer with which the surfaces of the SiOx particles are coated. The SiOx particles include Si crystallites. The preparation method includes: 1) synthesizing a silicon oxide bulk; 2) performing crushing to obtain micro-level or nano-level SiOx particles; 3) mixing with a carbon binder; 4) granulating; 5) modification and carbonization; and 6) post-processing.Type: GrantFiled: May 15, 2020Date of Patent: March 18, 2025Assignee: BTR NEW MATERIAL GROUP CO., LTD.Inventors: Jingwei Wang, Chunlei Pang, Tengyu Liang, Jianguo Ren, Min Yue, Xueqin He
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Patent number: 12255356Abstract: A busbar assembly includes a first busbar configured to connect two adjacent battery units. The first busbar includes a first connection part and a second connection part. The first connection part is used to connect a first electrode terminal of one of the battery units. The second connection part is used to connect the second electrode terminal of the other one of the battery units, and the second connection part and the first connection part are in staggered arrangement. The first connection part and the second connection part of the first busbar are in staggered arrangement, to match a vertical distance between a lead surface of the second electrode terminal and a lead surface of the first electrode terminal on a same side of the battery units.Type: GrantFiled: April 27, 2022Date of Patent: March 18, 2025Assignee: CALB Co., Ltd.Inventors: Liujie Wang, Hao Ma, Pengfei Zhou, Tinglu Yan
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Patent number: 12249735Abstract: Provided is a secondary battery including an electrode assembly and an electrolyte enclosed in an exterior case. The electrode assembly includes a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode. The secondary battery includes a spacer positioned between the electrode assembly and the exterior case. The electrode assembly includes a positive electrode current collecting tab and a negative electrode current collecting tab protruding from the electrode assembly. The spacer includes a first recess for the positive electrode current collecting tab and a second recess for the negative electrode current collecting tab at an outer edge in plain view, and the first recess and the second recess are provided with a separation portion interposed therebetween.Type: GrantFiled: October 21, 2021Date of Patent: March 11, 2025Assignee: Murata Manufacturing Co., Ltd.Inventors: Naoto Akizuki, Masahiro Otsuka
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Patent number: 12249711Abstract: A positive-electrode active material for a lithium-ion secondary battery, wherein an average pore size of the positive-electrode active material is 0.2 ?m to 1.0 ?m when a pore size is measured in a range of 0.0036 ?m to 400 ?m.Type: GrantFiled: September 16, 2020Date of Patent: March 11, 2025Assignees: SUMITOMO METAL MINING CO., LTD., Panasonic Energy Co., Ltd.Inventors: Ayumi Miura, Hiroyuki Fujimoto, Masanori Maekawa, Kaoru Nagata
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Patent number: 12249710Abstract: The positive electrode active material for a lithium ion secondary battery contains a lithium-nickel composite oxide, in which the lithium-nickel composite oxide contains lithium, nickel, manganese, titanium, niobium, and optionally an element M1, an amount of substance ratio of the respective elements is represented as Li:Ni:Mn:M:Ti:Nb=a:(1?x1?y1?b?c):x1:y1:b:c (provided that, 0.95?a?1.25, (1?x1?y1?b?c)<0.80, 0.03?x1?0.35, 0?y1?0.35, 0.005?b?0.05, and 0.001<c?0.03), in the amount of substance ratio, (b+c)?0.06 and b>c are satisfied, and an amount of lithium to be eluted in water is 0.07% by mass or less.Type: GrantFiled: June 30, 2020Date of Patent: March 11, 2025Assignees: PANASONIC ENERGY CO., LTD., SUMITOMO METAL MINING CO., LTD.Inventors: Yuki Koshika, Haruki Kaneda
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Patent number: 12244020Abstract: Disclosed is, inter alia, a method of producing a platinum alloy catalyst using a carbon protective layer. The method includes depositing a transition metal precursor on a Pt/C catalyst including a platinum component and a carbon carrier, placing carbon at the bottom of a reactor separately from the transition metal precursor-deposited Pt/C catalyst by a separation membrane; performing heat treatment on the inside of the; forming a Pt-M/C catalyst coated with a carbon protective layer by passing a gas product generated through thermal decomposition of the placed carbon through the separation membrane, and removing the carbon protective layer from the Pt-M/C catalyst by performing acid treatment on the carbon protective layer coated on the Pt-AMC catalyst.Type: GrantFiled: December 10, 2022Date of Patent: March 4, 2025Assignees: Hyundai Motor Company, Kia CorporationInventors: Hyun Ju Kim, Dong Yoon Shin