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    • 2. 发明专利
    • Production method of preparation and electrode current collector
    • JP5141951B2
    • 2013-02-13
    • JP2007210006
    • 2007-08-10
    • 株式会社デンソー
    • 潤二 乙部謙一郎 加美玄 鈴木常元 厨川
    • H01M4/66H01G11/22H01G11/28H01G11/30H01G11/66H01G11/68H01G11/70H01G11/86
    • Y02E60/13
    • PROBLEM TO BE SOLVED: To provide a manufacturing method for a current collector decreasing internal resistance. SOLUTION: The manufacturing method for a current collector comprises: a process of using a base stand retaining by firmly sticking a thin film base material on the surface and firmly sticking and retaining the thin film base material on the surface of the base stand; and an injection process of jetting a mixture of particulate material with a particle size of 1-9 μm and a carrier gas to the thin film base material retained on the base stand. That is, a firmly-joined conductor layer is formed on the surface of the thin film base material so that the particulate material made of a conductive material forming a conductor layer and having a distribution of designated particle sizes is injected on the surface of the thin film base material with aluminum as a major component at high pressure in order to form the conductor layer. The conductor layer made of the conductive material is formed on the surface of the thin film base material since the particulate material injected from a nozzle at high speed enters and diffuses into the thin film base material by breaking through a passive coated film formed on the surface of the thin film base material. The formed conductor layer is firmly joined with diffusion of atoms between the conductor layer and the thin film base material. COPYRIGHT: (C)2009,JPO&INPIT