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    ナトリウムイオン二次電池用電極活物質およびその製造方法
    37.
    发明专利
    ナトリウムイオン二次電池用電極活物質およびその製造方法 有权

    公开(公告)号：JP2019091528A

    公开(公告)日：2019-06-13

    申请号：JP2017217544

    申请日：2017-11-10

    Applicant: SUMITOMO ELECTRIC INDUSTRIES ,  UNIV TOKYO DENKI

    Inventor： NITTA KOJI ,  SAKAI SHOICHIRO ,  FUKUNAGA ATSUSHI ,  YABUUCHI NAOAKI

    IPC: H01M4/505 ,  H01M4/485

    Abstract: 【課題】高容量かつサイクル特性に優れたナトリウムイオン二次電池用電極活物質を提供する。【解決手段】O3型層状岩塩構造を有し、一般式(1):x[NaM1O2-α]−(1−x)[M2O2-β](ただし、0.5≦x≦0.9、−0.1≦α≦0.1および−0.1≦β≦0.1)で表されるナトリウム含有複合酸化物、もしくはカチオン不規則配列型岩塩構造を有し、一般式(2):y[Na2M2O3-γ]−(1−y)[NaM1O2-δ](ただし、0.1≦y≦0.4、−0.1≦δ≦0.1、−0.1≦γ≦0.1)、または一般式(3):NaM1O2-ε(−0.1≦ε≦0.1)で表されるナトリウム含有複合酸化物を含み、M1はMnを含み、M2はTiを含む、ナトリウムイオン二次電池用電極活物質。【選択図】図1

    MOLTEN SALT BATTERY
    38.
    发明专利
    MOLTEN SALT BATTERY 审中-公开

    公开(公告)号：JP2012109198A

    公开(公告)日：2012-06-07

    申请号：JP2011053485

    申请日：2011-03-10

    Applicant: SUMITOMO ELECTRIC INDUSTRIES

    Inventor： FUKUNAGA ATSUSHI ,  SAKAI SHOICHIRO ,  NITTA KOJI ,  YAMAGUCHI ATSUSHI ,  MASHIMA MASATOSHI ,  INAZAWA SHINJI

    IPC: H01M10/39 ,  H01M2/02 ,  H01M2/16 ,  H01M2/18

    Abstract: PROBLEM TO BE SOLVED: To provide a molten salt battery in which the insulation part in a battery container is not broken even if the positive electrode and the negative electrode expand or contract.SOLUTION: A plurality (6 in the figure) of rectangular flat plate-shaped negative electrodes 21, 21, ..21, and a plurality (5 in the figure) of rectangular flat plate-shaped positive electrodes 41, 41, ..41 are laminated alternately one by one in the lateral direction via separators 31, 31, ..31 to face each other and contained in a battery container 10 consisting of an aluminum alloy. An alumite coating 1H is formed on the inside of the battery container 10 and subjected to insulation treatment. Furthermore, rectangular tabs (conductors) 42, 42, ..42 for taking out currents from the positive electrodes 41, 41, ..41 are interconnected via a tab lead 43, and rectangular tabs 22, 22, ..22 for taking out currents from the negative electrodes 21, 21, ..21 are interconnected via a tab lead 23.

    MOLTEN SALT BATTERY PACK
    39.
    发明专利
    MOLTEN SALT BATTERY PACK 审中-公开

    公开(公告)号：JP2012109194A

    公开(公告)日：2012-06-07

    申请号：JP2011024792

    申请日：2011-02-08

    Applicant: SUMITOMO ELECTRIC INDUSTRIES

    Inventor： NITTA KOJI ,  SAKAI SHOICHIRO ,  FUKUNAGA ATSUSHI ,  MASHIMA MASATOSHI ,  YAMAGUCHI ATSUSHI ,  INAZAWA SHINJI

    IPC: H01M2/30 ,  H01M2/10 ,  H01M10/39

    Abstract: PROBLEM TO BE SOLVED: To provide a molten salt battery pack which allows for rigid mechanical connection and electrical connection of adjoining molten salt batteries simultaneously.SOLUTION: Connection tabs 42 and 22 of the positive electrode and negative electrode 21 in one and the other adjoining molten salt batteries are connected, respectively, to two connection members 43 and 23 consisting of an aluminum alloy and having a U-shaped plan view. When the sidewalls 1A, 1B of the adjoining battery containers 10, 10 are abutted and fastened using a bolt 51 and nuts 52, 52 consisting of an aluminum alloy, the two connection members 43 and 23 are connected electrically by the bolt 51 and nuts 52, 52.

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