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Secondary battery electrode terminal 发明授权

2023-10-28 1980 291K 0

专利信息

申请日期 2025-07-16 申请号 JP2012018960
公开(公告)号 JP5957913B2 公开(公告)日 2016-07-27
公开国别 JP 申请人省市代码 全国
申请人 凸版印刷株式会社
简介 An electrode terminal for a secondary battery, the electrode terminal interposed between polyolefin-based resin layers facing each other by thermal fusion under pressure at an outer edge portion of a packaging material, the packaging material including a multi-layer sheet including a polyolefin-based resin layer on which at least a metal layer is laminated, and the packaging material sealing at least a positive electrode, a negative electrode, and an electrolyte therein. The electrode terminal includes a metal terminal that is connected to at least one of the positive electrode and the negative electrode; and a corrosion-resistant protective layer that is formed on a surface of the metal terminal. The corrosion-resistant protective layer includes a layer (A) that contains the following component (A), and any one or both of a layer (X) that contains the following component (X) and a layer (Y) that contains the following component (Y). Component (A) : Component composed of a rare-earth element oxide (a) and phosphoric acid or phosphate (a2) which is blended in an amount of 1 part by mass to 100 parts by mass with respect to 100 parts by mass of the rare-earth element oxide (a). Component (X) : Component composed of an anionic polymer (x1) and a cross-linking agent (x2) that cross-links the anionic polymer (x1). Component (Y) : Component composed of a cationic polymer (y1) and a cross-linking agent (y2) that cross-links the cationic polymer (y1).


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