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    ALL-SOLID-STATE BATTERY AND METHOD FOR MANUFACTURING SAME
    3.
    发明申请
    ALL-SOLID-STATE BATTERY AND METHOD FOR MANUFACTURING SAME 有权

    公开(公告)号：US20220200044A1

    公开(公告)日：2022-06-23

    申请号：US17522964

    申请日：2021-11-10

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： SHUZO TSUCHIDA ,  AKIHIRO HORIKAWA ,  TAKESHI KOIWASAKI

    IPC: H01M10/0562 ,  H01M10/0585

    Abstract: All-solid-state battery 100 has a structure in which positive electrode current collector 6, positive electrode layer 20 containing positive electrode active material 3 and solid electrolyte 1, solid electrolyte layer 10 containing solid electrolyte 2, negative electrode layer 30 containing negative electrode active material 4 and solid electrolyte 5, and negative electrode current collector 7 are stacked in this order. Solid electrolyte 2 contains first material 21 and second material 22 having an ionic conductivity lower than an ionic conductivity of first material 21. First material 21 includes first particles 40, and at least a part of a surface of first particles 40 is covered with second material 22.

    COMPOSITE PARTICLE PRODUCTION METHOD AND COMPOSITE PARTICLE
    6.
    发明申请
    COMPOSITE PARTICLE PRODUCTION METHOD AND COMPOSITE PARTICLE 有权

    公开(公告)号：US20250059059A1

    公开(公告)日：2025-02-20

    申请号：US18937721

    申请日：2024-11-05

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： TAKESHI KOIWASAKI ,  HISAO NAGAI ,  HIROKI MARUYAMA

    IPC: C01G23/047 ,  C08K3/22

    Abstract: A method of manufacturing a composite particle includes: a step of preparing a first raw material including an element selected from any of copper, molybdenum, and silver, and a second raw material including one or more types of elements selected from aluminum, titanium, zirconium, hafnium, iron, yttrium, niobium, tantalum, silicon, calcium, magnesium, tungsten, indium, tin, germanium, nickel, zinc, and molybdenum; and a thermal plasma evaporation and cooling step of introducing the prepared first and second raw materials into thermal plasma to evaporate the first raw materials, and cooling the evaporated first raw materials to generate a composite particle. The composite particle includes the second raw material, and a fine particle carried on a surface of the second raw material and generated from the first raw material having an average particle size of 0.5 nm or more and 300 nm or less.

    FINE PARTICLE PRODUCING APPARATUS AND FINE PARTICLE PRODUCING METHOD
    7.
    发明申请
    FINE PARTICLE PRODUCING APPARATUS AND FINE PARTICLE PRODUCING METHOD 审中-公开

    公开(公告)号：US20190247822A1

    公开(公告)日：2019-08-15

    申请号：US16255135

    申请日：2019-01-23

    Applicant: Panasonic Intellectual Property Management Co., Ltd.

    Inventor： HISAO NAGAI ,  TAKESHI KOIWASAKI ,  TAKAFUMI OKUMA

    IPC: B01J19/08 ,  B22F9/14 ,  B22F1/00

    CPC classification number: B01J19/088 ,  B01J2219/0809 ,  B01J2219/0879 ,  B01J2219/0898 ,  B22F1/0018 ,  B22F1/0048 ,  B22F9/14 ,  B22F2202/13 ,  B22F2304/05

    Abstract: A fine particle producing apparatus includes a reaction chamber extending vertically from the lower side to the upper side; a material supply device which is connected to a central part on one end side of the vertically lower side inside the reaction chamber and supplies a material particle into the reaction chamber of a vertically upper side from a material supply port; a first electrode arrangement region which protrudes in an inward radial direction to be disposed on an inner peripheral wall in the reaction chamber which is vertically above the material supply device, and includes a plurality of lower electrodes to which AC power is applied; a second electrode arrangement region which protrudes in an inward radial direction to be disposed on an inner peripheral wall in the reaction chamber which is vertically above the first electrode arrangement region, and includes a plurality of upper electrodes to which AC power is applied; a collector which is connected to the other end side in the reaction chamber of the vertically upper side so as to collect fine particles; a power source which is capable of changing a frequency of AC power applied to at least one of the lower electrode included in the first electrode arrangement region and the upper electrode included in the second electrode arrangement region; and a controller which sets the frequency of AC power applied to the lower electrode as a frequency equal to or higher than a frequency of AC power applied to the upper electrode, in which a fine particle is generated from the material particle by generating arc discharge by the lower electrode and the upper electrode, and generating plasma in the reaction chamber.

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