Patents Examined by Tracy M. Dove
  • Patent number: 12266798
    Abstract: A negative electrode plate comprising a substrate, which comprises a current collector and negative electrode active material bonded on the current collector; first lithium bands arranged on a front surface of the substrate; second lithium bands arranged on a back surface of the substrate; the first lithium bands and the second lithium bands are mutually staggered; adjacent ones of the first lithium bands are spaced apart and adjacent ones of the second lithium bands are spaced apart, respectively.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: April 1, 2025
    Assignee: SVOLT ENERGY TECHNOLOGY CO., LTD.
    Inventors: Kai Yang, Jing Liu, Shuaibin Lou, Hongxin Yang
  • Patent number: 12266826
    Abstract: Disclosed are a button battery and an electronic device. The battery includes: a battery cell; at least one tab with one end thereof connected to one collector of the battery cell; and a shell including a first housing and a second housing hermetically connected onto each other to enclose and form a cavity in which the battery cell and the tab are positioned, wherein the at least one tab is connected with the other end thereof to an inner wall of the first housing or to an inner wall of the second housing before the first housing and the second housing are hermetically connected.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: April 1, 2025
    Assignee: GUANGDONG MIC-POWER NEW ENERGY CO., LTD.
    Inventor: Zhiyong Chen
  • Patent number: 12230800
    Abstract: This application discloses a secondary battery including a positive electrode plate and a negative electrode plate, wherein the positive electrode plate comprises a positive electrode current collector and a positive electrode film disposed on a surface of the positive electrode current collector and comprising a positive active material, the negative electrode plate comprises a negative electrode current collector and a negative electrode film disposed on a surface of the negative electrode current collector and comprising a negative active material. The positive active material comprises one or more of layered lithium transition metal oxides and modified compounds thereof, and a resistance R of the negative electrode plate satisfies: 6.0 m??R?12.0 m?; or the positive active material comprises one or more of lithium-containing phosphates with olivine structure and modified compounds thereof, and a resistance R of the negative electrode plate satisfies: 3.0 m??R?7.0 m?.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: February 18, 2025
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Jianjun Ma, Rui Shen, Libing He, Baojian Zhu, Lei Chen
  • Patent number: 12230804
    Abstract: A method of manufacturing an all-solid-state battery electrode, an all-solid-state battery electrode manufactured by the method, and an all-solid-state battery including the electrode are disclosed. In the method, a specific type of binder included in the electrode is prepared in a fiber form by applying pressure to the binder under specific conditions, so that the fiber-form binder thus prepared has an average fineness that satisfies a specific range. Therefore, the all-solid-state battery including the electrode has an advantage of having high capacity even in the case of electrode thickening for high loading.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: February 18, 2025
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION, KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Jae Min Lim, Yong Gu Kim, Hong Seok Min, Sang Heon Lee, Sa Heum Kim, Yun Sung Kim, Ji Sang Yu, Kyung Su Kim, Goo Jin Jeong, Woo Suk Cho
  • Patent number: 12218354
    Abstract: This application discloses a negative-electrode active material and a preparation method thereof, a secondary battery, and a battery module, a battery pack, and an apparatus that include such secondary battery. The negative-electrode active material includes a core and a coating layer covering at least part of a surface of the core, where the core includes artificial graphite, the coating layer includes amorphous carbon, a volume-based particle size distribution of the negative-electrode active material satisfies Dv99?24 ?m, a volume-based median particle size Dv50 of the negative-electrode active material satisfies 8 ?m?Dv?15 ?m, Dv99 is a particle size corresponding to a cumulative volume distribution percentage of the negative-electrode active material reaching 99%, and WO is a particle size corresponding to a cumulative volume distribution percentage of the negative-electrode active material reaching 50%.
    Type: Grant
    Filed: August 25, 2022
    Date of Patent: February 4, 2025
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Yuqun Zeng, Baida Deng, Meng Kang, Erling Li, Libing He
  • Patent number: 12206107
    Abstract: Provided is a sulfur-based active material for a non-aqueous electrolyte secondary battery having a large charge/discharge capacity and excellent cycle characteristics which is inexpensively and easily provided, an electrode comprising the sulfur-based active material, and a non-aqueous electrolyte secondary battery comprising the electrode, as well as a producing method thereof. The sulfur-based active material is obtainable by calcinating a raw material, the raw material comprising (1) a heat-expandable particle comprising an outer shell comprising an acryl-based copolymer and a hydrocarbon included inside the outer shell, the heat-expandable particle having an expansion starting temperature of 150° C. or lower, and (2) sulfur.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: January 21, 2025
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Tatsuya Kubo, Fumiya Chujo
  • Patent number: 12199265
    Abstract: A method of manufacturing a dry electrode sheet for a secondary battery includes providing a dry electrode composition comprising an electrode active material and a binder, a calendering operation of preparing an electrode sheet by passing the dry electrode composition through a calender roll including three or more rolls. The calendering operation includes a first electrode sheet manufacturing operation of manufacturing a first electrode sheet by injecting the dry electrode composition between two adjacent rolls spaced apart from each other by a first interval W1, and an electrode sheet manufacturing operation of manufacturing a dry electrode sheet by inserting the first electrode sheet between two adjacent rolls spaced apart from each other by a second interval W2. The first interval W1 and the second interval W2 have a compression rate of 0.10 or more and 0.65 or less, represented by the equation (1) compression rate=(W1?W2)/W1.
    Type: Grant
    Filed: May 22, 2023
    Date of Patent: January 14, 2025
    Assignee: SK ON CO., LTD.
    Inventors: Jae Youn Kim, Yong Hee Kang, Young Jun Kim, Dong Hoon Lee
  • Patent number: 12199273
    Abstract: Disclosed is a negative electrode, including: a negative electrode current collector; and a negative electrode active material layer disposed on at least one surface of the negative electrode current collector, and having a lower layer region containing a first active material and a first binder polymer, and an upper layer region disposed on the lower layer region and containing a second active material and a second binder polymer, wherein the first active material includes primary particles of artificial graphite, the second active material includes secondary particles of artificial graphite and a carbon coating layer disposed on the secondary particles, and the weight percentage (wt %) of the first binder polymer in the lower layer region is larger than the weight percentage (wt %) of the second binder polymer in the upper layer region. Also disclosed are a method for manufacturing the negative electrode and a lithium secondary battery including the negative electrode.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: January 14, 2025
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Dong-Sub Jung, Suk-In Noh, Chang-Ju Lee, Sang-Wook Woo
  • Patent number: 12191466
    Abstract: A heat exchanger for an electrical component, said exchanger comprising a first body (28) defining at least a primary channel (30) and a secondary channel (32), which are parallel and adjacent, in which fluid circulates in series from the primary channel (30) to the secondary channel (32), in opposite directions, said first body (28) having at least one exchange surface for exchanging heat between the fluid circulating in said channels (30, 32) and said component, a width of the primary channels (30) being less than a width of the secondary channels (32).
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: January 7, 2025
    Assignee: VALEO SYSTEMES THERMIQUES
    Inventors: Jean Damien Muller, Frédéric Tison
  • Patent number: 12183950
    Abstract: A separator including a porous polymer substrate, and a porous coating layer, and an electrochemical device comprising the same. The porous coating layer includes P(VDF-TrFE-CTFE) and PVDF-CTFE as a binder polymer. The separator has a lower resistance by changing the characteristics of the binder polymer.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: December 31, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: So-Mi Jeong, Dong-Wook Sung
  • Patent number: 12170377
    Abstract: A foil-like functional material (1) providing a predefined function and may be used for targeted physical, chemical, physicochemical, biological, technical and technological purposes, and in which is arranged a support medium (2), which comprises a total support volume, has a cross-sectional extent (7) of ?100 ?m, like a matrix, and is formed from linear support elements (3a) and node-like support elements (3b), which form the substance components of the support medium (2) and pass through the total support volume to form a strip-like extent with interconnected partial volumes (5), situated therein and spanned by support elements (3) close by. The support elements (3) are sheathed with a first functional substance (4) which provides a first function. The remaining volume of the total support volume is filled with one second functional substance (6) which differs from the first function.
    Type: Grant
    Filed: January 11, 2019
    Date of Patent: December 17, 2024
    Assignee: ELFOLION GMBH
    Inventor: Manfred Danziger
  • Patent number: 12166211
    Abstract: According to an embodiment, a porous electrode comprises a three-dimensional nanostructured porous catalyst film including a catalyst material promoting an oxygen reduction and evolution reactions, having an aligned pore structure, and having an upper surface and a lower surface opening the pore structure and a porous current collecting layer interfacially adhered to the three-dimensional nanostructured porous catalyst film by a binder polymer.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: December 10, 2024
    Inventors: Seokwoo Jeon, Gayea Hyun, Yong-Mook Kang, Mihui Park, Seonyong Jo, Yong Min Lee, Joonam Park, Seungwon Jung
  • Patent number: 12148932
    Abstract: This application relates to the battery field, and specifically, to an electrode plate, an electrochemical apparatus, a battery module, a battery pack, and a device. The electrode plate in this application includes a current collector and an electrode active material layer disposed on at least one surface of the current collector, where the current collector includes a support layer and a conductive layer disposed on at least one surface of the support layer, a single-side thickness D2 of the conductive layer satisfies 30 nm?D2?3 ?m, and a conductive primer layer including a conductive material and a bonding agent is further disposed between the current collector and the electrode active material layer. The electrode plate in this application has good machinability. An electrochemical apparatus including the electrode plate has high energy density, good electrical performance, and long-term reliability.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: November 19, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Jing Li, Qingrui Xue, Zige Zhang, Wei Li, Xianwei Yang
  • Patent number: 12139416
    Abstract: The present invention relates to the new process of preparation of a Li-rich layered oxide based on Mn and optionally on Ni and/or Co in which F is incorporated within the crystal of the oxide (or “fluorinated oxide”). It also relates to the new fluorinated oxide its use as a component in a cathode of a battery.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: November 12, 2024
    Assignees: LE CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, COLLEGE DE FRANCE, SPECIALTY OPERATIONS FRANCE
    Inventors: Jean-Marie Tarascon, Jiwei Ma, Laure Bertry, Robin Amisse, Marc-David Braida, Thierry Le Mercier, Valérie Buissette
  • Patent number: 12136742
    Abstract: Power supply device is power supply device to be fixed to power supply target equipment, the power supply device including: a plurality of battery cells each having a prismatic outer covering can; a pair of end plates that cover both side end faces of a battery stack in which the plurality of battery cells are stacked; a plurality of fastening members that are plates extending in a stacking direction of the plurality of battery cells and are arranged on opposed side faces of the battery stack to fasten end plates to each other; bracket for fixing the pair of end plates to power supply target equipment; guide mechanism that slides end plate in the stacking direction of the battery stack at at least one interface between end plate and bracket; and elastic body arranged at at least one interface between end plate and bracket.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: November 5, 2024
    Assignee: SANYO Electric Co., Ltd.
    Inventor: Hiroyuki Takahashi
  • Patent number: 12132240
    Abstract: An electrolyte sheet for solid oxide fuel cells includes a ceramic plate body having rounded corners in a plan view from a thickness direction of the ceramic plate body, the ceramic plate body having a thickness of 200 ?m or less, and each of the rounded corners having a ratio Dmax/Dmin of 1.0 to 1.1, wherein Dmax and Dmin respectively represent maximum and minimum values between distances D from an intersection of extension lines of two sides of the ceramic plate body adjacent to a respective corner to starting points of the respective extension lines in the plan view.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: October 29, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Hirofumi Oie
  • Patent number: 12126004
    Abstract: There is disclosed a hybrid composite anode for lithium-ion batteries comprising silicon nanoparticles, multi-walled carbon nanotube (MWCNTs) flakes, and a polymer binder which enables enhanced capacity retention of the hybrid composite anode. A process of fabrication of an anode for a lithium-ion battery is also disclosed, the process comprising the steps of fabricating carbon nanotube (CNT) mats on an anode current collector; dispersing the fabricated CNT mats in a mixture of deionized (DI) water to ethanol using a probe sonicator and magnetic stirrer; and adding silicon nanoparticles, multi-walled carbon nanotube (MWCNTs) flakes, and a polymer binder to the mixture, forming Si-MWCNT nanocomposite (SMC) anodes.
    Type: Grant
    Filed: December 27, 2022
    Date of Patent: October 22, 2024
    Assignees: HEIDRON ENERGY RESEARCH & CONSULTANCY CO LLC, KHALIFA UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Daniel Sunghoi Choi, Aamna Hameed Khan
  • Patent number: 12119476
    Abstract: The present invention relates to an electrode of a double-layer structure including a different type of particulate active material having a different average particle diameter, and a secondary battery including the same, and according to the present invention, the mechanical strength and stability of the electrode increases, and the secondary battery to which they are applied exhibits excellent discharge capacity.
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: October 15, 2024
    Assignee: LG ENERGY SOLUTION, LTD.
    Inventors: Dae Jin Lee, Dong Hwi Kim, Jin Tae Hwang, Hyeong Il Kim, Seul Ki Chae, Wang Mo Jung, Dong Hun Lee
  • Patent number: 12109886
    Abstract: A control device includes a first accumulation unit configured to accumulate first energy, a second accumulation unit configured to accumulate second energy different from the first energy, and a supply unit configured to supply either or both of second energy obtained by converting first energy accumulated by the first accumulation unit and second energy accumulated by the second accumulation unit to an external device. The amount of second energy that is supplied from the supply unit to the external device is calculated on the basis of the amount of second energy supplied to a drive unit via the supply unit to move the moving body to a destination, the amount of first energy accumulated by the first accumulation unit, and the amount of second energy accumulated by the second accumulation unit, and a display device is caused to display a supply available time according to the calculated amount of second energy.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: October 8, 2024
    Assignee: HONDA MOTOR CO., LTD.
    Inventor: Ryoji Sakai
  • Patent number: 12107208
    Abstract: A nonaqueous electrolyte secondary battery includes a sulfur-containing positive electrode, a negative electrode, a nonaqueous electrolyte, and a cation exchange resin layer which is disposed between the positive electrode and the negative electrode and has a first surface having a roughness factor of 3 or more. A method for producing a nonaqueous electrolyte secondary battery includes a sulfur-containing positive electrode, a negative electrode, and a cation exchange resin layer which is interposed between the positive electrode and the negative electrode and has a first surface having a roughness factor of 3 or more.
    Type: Grant
    Filed: November 2, 2021
    Date of Patent: October 1, 2024
    Assignee: GS Yuasa International Ltd.
    Inventors: Kaname Nakajima, Heisuke Nishikawa, Shuji Hitomi