发明名称 BATTERY ELECTRODE SUBSTRATE SHEET
摘要 To provide a battery electrode substrate sheet capable of reducing a waste part, in which a defect part is included, of an electrode active material coating film coated on a collector.;A battery electrode substrate sheet includes a strip-shaped collector 101, an electrode active material coating film 103 formed on the collector in a longitudinal direction thereof, and an insulating protective film 107 formed on an electrode active material non-coating surface of the collector so as to extend along the coating film in the longitudinal direction thereof. A defect sign part 105 that indicates a portion at which a defective part 104a of the coating film exists is formed on the insulating protective film 107.
申请公布号 US2015030935(A1) 申请公布日期 2015.01.29
申请号 US201314378683 申请日期 2013.02.07
申请人 Ukita Akio 发明人 Ukita Akio
分类号 H01M4/04;H01M10/0525;H01M4/13 主分类号 H01M4/04
代理机构 代理人
主权项 1. A battery electrode substrate sheet characterized by comprising: a strip-shaped collector; an electrode active material coating film formed on the collector in a longitudinal direction thereof; and an insulating protective film formed on an electrode active material non-coating surface of the collector so as to extend along the coating film in the longitudinal direction thereof, wherein a defect sign part that indicates a portion at which a defective part of the coating film exists is formed on the insulating protective film.
地址 Sagamihara-shi JP