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    • 1. 发明申请
    • Electrode for secondary battery
    • 二次电池用电极
    • US20070020514A1
    • 2007-01-25
    • US11489523
    • 2006-07-20
    • Kouki OzakiShigeru InamiMasanori Tsutsui
    • Kouki OzakiShigeru InamiMasanori Tsutsui
    • H01M2/28
    • H01M4/621H01M4/02H01M4/0404H01M4/13H01M4/131H01M4/24H01M4/623
    • The object of the present invention is to provide an electrode for secondary battery according to which the electrode density can be increased and furthermore the electric characteristics can be improved. In the present invention, the sheet material for electrode to be laminated on the surface of a current collector is prepared by mixing and kneading a powdered positive electrode active material or negative electrode active material and a finely powdered conductive material as main components to which a fluorine-containing polymer resin is added, screening the resulting mixture by a sieve to obtain particles of the mixture, adding a liquid lubricant to the particles, preforming the particles to make a sheet-like formed body, and stretching the sheet-like formed body in mono-axial or multi-axial direction.
    • 本发明的目的是提供一种可以提高电极密度的二次电池用电极,能够提高电特性。 在本发明中,通过将粉末状的正极活性物质或负极活性物质和细粉末状的导电性材料作为主成分进行混合和捏合来制备层叠在集电体的表面上的电极用片材, 的聚合物树脂,通过筛子筛分得到的混合物,得到混合物的颗粒,向颗粒中加入液体润滑剂,预先形成颗粒以制成片状成形体,并将片状成形体拉伸 单轴或多轴方向。