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    SECONDARY BATTERY
    1.
    发明申请
    SECONDARY BATTERY 有权

    公开(公告)号：US20250070243A1

    公开(公告)日：2025-02-27

    申请号：US18726742

    申请日：2023-01-13

    Applicant: LG ENERGY SOLUTION, LTD.

    Inventor： Ji Hoon RYU ,  Je Young KIM ,  Dong Kyu KIM ,  Yeo Min YOON ,  Tae Seob LIM

    IPC: H01M10/0565 ,  H01M4/02 ,  H01M4/48 ,  H01M4/583 ,  H01M50/446

    Abstract: The present disclosure relates to a secondary battery that includes an electrode assembly including an electrode and a separator which are alternately stacked, a gel polymer electrolyte, and a battery case accommodating the electrode assembly and the gel polymer electrolyte, wherein the separator includes a porous substrate and a ceramic coating layer disposed on both sides of the porous substrate, the ceramic coating layer includes inorganic particles in an amount of 92 wt % or greater and less than 100 wt % and a binder in an amount of greater than 0 wt % and 8 wt % or less, the electrode includes a positive electrode and a negative electrode, and the negative electrode includes a silicon-based active material.

    Processing System and Method for Producing a Particulate Material
    2.
    发明申请
    Processing System and Method for Producing a Particulate Material 有权

    公开(公告)号：US20250058293A1

    公开(公告)日：2025-02-20

    申请号：US18936943

    申请日：2024-11-04

    Applicant: eJoule,Inc

    Inventor： Yan Wang ,  Lu Yang ,  Liang-Yuh Chen

    IPC: B01J10/00 ,  B01J19/06 ,  B01J19/26 ,  C01B13/34 ,  H01M4/48

    Abstract: A processing system and method of producing a particulate material from a liquid mixture are provided. The processing system generally includes a system inlet connected to one or more gas lines to deliver one or more gases into the processing system, one or more power jet modules adapted to jet a liquid mixture into one or more streams of droplets and to force the one or more streams of droplets into the processing system, and a reaction chamber adapted to deliver the one or more streams of droplets in the presence of the one or more gases and process the one or more streams of droplets into the particulate material. The method includes delivering one or more gases into a processing system, jetting the liquid mixture into one or more first droplets streams using one or more power jet modules of the processing system and into the processing system, and reacting the one or more first droplets streams delivered from the processing chamber inside a reaction chamber of the processing system in the presence of the one or more gases into the particulate material at a first temperature.

    ANODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME
    6.
    发明申请
    ANODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME 有权

    公开(公告)号：US20250023050A1

    公开(公告)日：2025-01-16

    申请号：US18766653

    申请日：2024-07-09

    Applicant: SK On Co., Ltd.

    Inventor： Kwang Ho JEONG

    IPC: H01M4/62 ,  H01M4/02 ,  H01M4/133 ,  H01M4/36 ,  H01M4/48 ,  H01M4/583

    Abstract: An anode for a lithium secondary battery includes an anode mixture layer including a silicon-based anode active material and a binder, wherein the binder includes styrene butadiene rubber (SBR) and a polyacrylic acid (PAA)-based binder, and the SBR has a Young's modulus of 10.1 kPa to 29.0 kPa. According to the present disclosure, an anode for a secondary battery and a lithium secondary battery including a silicon-based anode active material to have excellent capacity characteristics and including a polyacrylic acid-based binder to improved have battery resistance characteristics, while suppressing volume expansion of the silicon-based anode active material during charging and discharging.

    Anodes for lithium-based energy storage devices
    7.
    发明授权
    Anodes for lithium-based energy storage devices 有权

    公开(公告)号：US12191501B2

    公开(公告)日：2025-01-07

    申请号：US18170080

    申请日：2023-02-16

    Applicant: Graphenix Development, Inc.

    Inventor： John C. Brewer ,  Paul D. Garman ,  Kevin Tanzil

    IPC: H01M4/66 ,  H01M4/04 ,  H01M4/36 ,  H01M4/48 ,  H01M4/58 ,  H01M10/0525 ,  H01M10/0565 ,  H01M10/0568 ,  H01M10/0569

    Abstract: Methods of making an anode for a lithium-based energy storage device such as a lithium-ion battery are disclosed. Methods may include providing a current collector. The current collector may include an electrically conductive layer and a surface layer overlaying over the electrically conductive layer. The surface layer may have an average thickness of at least 0.002 μm. The surface layer may include a metal chalcogenide including at least one of sulfur or selenium. Methods may include depositing a continuous porous lithium storage layer onto the surface layer by a PECVD process. The continuous porous lithium storage layer may have an average thickness in a range of 4 μm to 30 μm and comprises at least 85 atomic % amorphous silicon.

    Lithium-ion battery and apparatus
    9.
    发明授权
    Lithium-ion battery and apparatus 有权

    公开(公告)号：US12183922B2

    公开(公告)日：2024-12-31

    申请号：US17563694

    申请日：2021-12-28

    Applicant: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED

    Inventor： Tiancheng Yi ,  Chunhua Hu ,  Shushi Dou ,  Yao Jiang ,  Chengdu Liang

    IPC: H01M4/525 ,  H01M4/131 ,  H01M4/48 ,  H01M4/485 ,  H01M4/505 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/42 ,  H01M4/02

    Abstract: A lithium-ion battery and an apparatus. The lithium-ion battery includes an electrode assembly and an electrolytic solution. The electrode assembly includes a positive electrode sheet, a negative electrode sheet, and a separation film A positive active material in the positive electrode sheet includes Lix1Coy1M1-y1O2-z1Qz1. A negative active material in the negative electrode sheet includes one or more of Si, SiOx2, a Si/C composite material, and a Si alloy. The electrolytic solution contains an additive A and an additive B, the additive A is a polynitrile six-membered nitrogen-heterocyclic compound with a relatively low oxidation potential, and the additive B is a halogen-substituted cyclic carbonate compound. The lithium-ion battery has superb cycle performance and storage performance, especially under high-temperature and high-voltage conditions.

    Anode material, and electrochemical device and electronic device using the same
    10.
    发明授权
    Anode material, and electrochemical device and electronic device using the same 有权

    公开(公告)号：US12183915B2

    公开(公告)日：2024-12-31

    申请号：US17440723

    申请日：2020-03-05

    Applicant: NINGDE AMPEREX TECHNOLOGY LIMITED

    Inventor： Zhihuan Chen ,  Daoyi Jiang ,  Hang Cui ,  Yuansen Xie

    IPC: H01M4/36 ,  H01M4/02 ,  H01M4/48 ,  H01M4/587 ,  H01M10/0525

    Abstract: The present application relates to an anode material, and an electrochemical device and an electronic device using the same. The anode material of the present application includes: a silicon compound SiOx, where x is 0.5-1.5; an oxide MeOy layer, the MeOy layer coating at least a portion of the silicon compound SiOx, where Me includes at least one of Al, Si, Ti, Mn, V, Cr, Co or Zr, where y is 0.5-3; and a carbon nanotube layer, the carbon nanotube layer coating at least a portion of the MeOy layer. The anode material can significantly enhance the cycle performance and rate performance of the electrochemical device, and significantly reduce the impedance of the electrochemical device.

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