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    Method for producing electrode catalyst, and electrode catalyst
    1.
    发明授权
    Method for producing electrode catalyst, and electrode catalyst 有权

    公开(公告)号：US11189841B2

    公开(公告)日：2021-11-30

    申请号：US16336129

    申请日：2017-09-29

    申请人： MITSUI MINING & SMELTING CO., LTD.

    发明人： Yuichi Senoo ,  Koichi Miyake ,  Koji Taniguchi ,  Hiromu Watanabe ,  Naohiko Abe

    IPC分类号： H01M4/80 ,  H01M4/88 ,  H01M8/1004 ,  H01M4/92 ,  H01M4/86 ,  H01M4/90 ,  H01M8/10

    摘要： This method for producing an electrode catalyst includes: a dispersion liquid preparation step wherein a dispersion liquid is prepared by mixing (i) at least one solvent selected from the group consisting of sulfoxide compounds and amide compounds, (ii) a catalyst carrier powder composed of a metal oxide, (iii) a platinum compound, (iv) a transition metal compound and (v) an aromatic compound that contains a carboxyl group; a loading step wherein the dispersion liquid is heated so that a platinum alloy of platinum and a transition metal is loaded on the surface of the catalyst carrier powder; a solid-liquid separation step wherein a dispersoid is separated from the dispersion liquid after the loading step, thereby obtaining a catalyst powder wherein the catalyst carrier powder is loaded with the platinum alloy; and a heat treatment step wherein the catalyst powder is heated under vacuum or in a reducing gas atmosphere.

    COPPER FOIL, NEGATIVE ELECTRODE CURRENT COLLECTOR AND NEGATIVE ELECTRODE MATERIAL FOR NON-AQUEOUS SECONDARY BATTERY
    4.
    发明申请
    COPPER FOIL, NEGATIVE ELECTRODE CURRENT COLLECTOR AND NEGATIVE ELECTRODE MATERIAL FOR NON-AQUEOUS SECONDARY BATTERY 审中-公开
    铜箔，负极电极集电极和负极电极材料用于非水性二次电池

    公开(公告)号：US20150132658A1

    公开(公告)日：2015-05-14

    申请号：US14402501

    申请日：2013-05-21

    申请人： MITSUI MINING & SMELTING CO., LTD.

    发明人： Koichi Miyake ,  Tomoyuki Maeda ,  Kazutaka Hozumi ,  Hiroaki Nakahara ,  Shinichi Yamauchi

    IPC分类号： H01M4/66

    CPC分类号： H01M4/662 ,  B23K35/0233 ,  B23K35/3046 ,  C22C9/04 ,  C22C18/00 ,  C23C28/021 ,  C25D1/04 ,  C25D7/0614 ,  H01M10/0525

    摘要： An object of the present invention is to provide a copper foil inexpensive and sufficient in tensile strength even after heat treatment. The copper foil includes zinc in a content range of 0.02% by mass to 2.7% by mass in the total mass of the entire copper foil, and if the regions in thicknesses direction from both surfaces of the copper foil where occupies 5% by mass in the total mass of the entire copper foil are referred to as the respective external layers and a region between one external layer and the other external layer is referred to as an internal layer, the internal layer includes copper as a main element and includes 100 ppm or more of one or mixture of small amount-elements selected from carbon, sulfur, chlorine and nitrogen, and includes zinc at 10% or more in the total mass of zinc included in the entire copper foil.

    摘要翻译： 本发明的目的是提供即使在热处理后也具有廉价且足够的拉伸强度的铜箔。 铜箔包括在整个铜箔的总质量中含量范围为0.02质量％至2.7质量％的锌，并且如果铜箔的两面的厚度方向上的区域占据质量的5质量％ 将整个铜箔的总质量称为各自的外部层，将一个外部层与另一个外部层之间的区域称为内部层，内部层包含铜作为主要元素，并且包括100ppm或 更多的是选自碳，硫，氯和氮的少量元素的一种或混合物，并且包括在整个铜箔中包含的锌的总质量为10％或更多的锌。