Patents Examined by Victoria H Lynch
  • Patent number: 12294124
    Abstract: 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: Grant
    Filed: April 19, 2022
    Date of Patent: May 6, 2025
    Assignee: University of Pittsburgh—Of the Commonwealth System of Higher Education
    Inventors: Peng K. Chen, Jacob Lorenzi Poole, Paul R. Ohodnicki, Thomas D. Brown, Kirk R. Gerdes, Michael P. Buric
  • Patent number: 12288887
    Abstract: 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: Grant
    Filed: May 22, 2019
    Date of Patent: April 29, 2025
    Assignee: Hefei Gotion High-Tech Power Energy Co., Ltd.
    Inventors: Ya Zhang, Yong Wang, Yong Cao, Zhihong Lin, Qian Cheng
  • Patent number: 12283679
    Abstract: 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: Grant
    Filed: July 26, 2021
    Date of Patent: April 22, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Won Kyoung Park, Junyeob Seong, Honggoo Han, Hyun Seop Yun
  • Patent number: 12278333
    Abstract: 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: Grant
    Filed: May 8, 2023
    Date of Patent: April 15, 2025
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Hyunseok Kim, Saebom Ryu, Seoksoo Lee, Soyeon Kim
  • Patent number: 12272849
    Abstract: 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: Grant
    Filed: June 24, 2022
    Date of Patent: April 8, 2025
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Shinichiro Imura, Takeshi Minamiura, Kenichi Ezaki, Tsutomu Kawashima, Miyuki Yoshimoto
  • Patent number: 12272833
    Abstract: 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: Grant
    Filed: April 21, 2020
    Date of Patent: April 8, 2025
    Assignee: Blue Volta Technology Inc.
    Inventors: Louay Alsakka, Maxim Moiseev
  • Patent number: 12272780
    Abstract: 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: Grant
    Filed: December 28, 2021
    Date of Patent: April 8, 2025
    Assignee: Contemporary Amperex Technology Co., Limited
    Inventors: Chengdu Liang, Qian Liu, Quanguo Li, Yonghuang Ye, Wei Li
  • Patent number: 12272820
    Abstract: 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: Grant
    Filed: October 2, 2019
    Date of Patent: April 8, 2025
    Assignee: HYDRO-QUÉBEC
    Inventors: Yuesheng Wang, Abdelbast Guerfi, Karim Zaghib, Gilles Lajoie, Marie-Josée Vigeant
  • Patent number: 12264397
    Abstract: 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: Grant
    Filed: September 14, 2020
    Date of Patent: April 1, 2025
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Michel Planque, Thibault Monnet
  • Patent number: 12266796
    Abstract: 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: Grant
    Filed: September 7, 2020
    Date of Patent: April 1, 2025
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Tatsuyoshi Takahashi, Kunihiko Suzuki, Kanta Abe, Yuji Iwaki
  • Patent number: 12266924
    Abstract: 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: Grant
    Filed: April 18, 2023
    Date of Patent: April 1, 2025
    Assignee: A123 SYSTEMS LLC
    Inventors: Yue Li, Steve Gierlach, Weiwei Lin, Brian Large, Jiaping Zhang, Ke Xu
  • Patent number: 12266923
    Abstract: 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: Grant
    Filed: April 18, 2023
    Date of Patent: April 1, 2025
    Assignee: A123 SYSTEMS LLC
    Inventors: Yue Li, Steve Gierlach, Weiwei Lin, Brian Large, Jiaping Zhang, Ke Xu
  • Patent number: 12266765
    Abstract: 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: Grant
    Filed: April 12, 2022
    Date of Patent: April 1, 2025
    Assignee: JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITED
    Inventors: Hu Xu, Haizu Jin, Jiang Liu, Xing Li, Chengdu Liang, Yuqun Zeng
  • Patent number: 12255349
    Abstract: 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: Grant
    Filed: September 2, 2020
    Date of Patent: March 18, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Kyung Ryun Ka, Sang Joon Lee, In Hyouk Sung, Je An Lee
  • Patent number: 12255323
    Abstract: 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: Grant
    Filed: May 15, 2020
    Date of Patent: March 18, 2025
    Assignee: BTR NEW MATERIAL GROUP CO., LTD.
    Inventors: Jingwei Wang, Chunlei Pang, Tengyu Liang, Jianguo Ren, Min Yue, Xueqin He
  • Patent number: 12255356
    Abstract: 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: Grant
    Filed: April 27, 2022
    Date of Patent: March 18, 2025
    Assignee: CALB Co., Ltd.
    Inventors: Liujie Wang, Hao Ma, Pengfei Zhou, Tinglu Yan
  • Patent number: 12249735
    Abstract: 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: Grant
    Filed: October 21, 2021
    Date of Patent: March 11, 2025
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Naoto Akizuki, Masahiro Otsuka
  • Patent number: 12249711
    Abstract: 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: Grant
    Filed: September 16, 2020
    Date of Patent: March 11, 2025
    Assignees: SUMITOMO METAL MINING CO., LTD., Panasonic Energy Co., Ltd.
    Inventors: Ayumi Miura, Hiroyuki Fujimoto, Masanori Maekawa, Kaoru Nagata
  • Patent number: 12249710
    Abstract: 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: Grant
    Filed: June 30, 2020
    Date of Patent: March 11, 2025
    Assignees: PANASONIC ENERGY CO., LTD., SUMITOMO METAL MINING CO., LTD.
    Inventors: Yuki Koshika, Haruki Kaneda
  • Patent number: 12244020
    Abstract: 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: Grant
    Filed: December 10, 2022
    Date of Patent: March 4, 2025
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Hyun Ju Kim, Dong Yoon Shin