Patent ID: 8568917
Filing Date: 2013-10-29
Classification: C23C,H01M,Y02E,Y10T

Abstract:
1. A material for contact components or battery components, the material comprising a metal sheet having a surface layer portion containing a first metal element, wherein said metal sheet comprises a Cr-containing steel plate or a surface-treated steel plate, at least a part of said first metal element on an outermost surface of said surface layer portion is substituted by a second metal element having a nobler standard electrode potential than said first metal element, and said second metal element is deposited on said outermost surface in a state of a particulate metal, oxide, or hydroxide, an amount of the second metal element deposited on the outermost surface of the metal sheet is 5 to 50 mg/m said second metal element contains: the first group and second group elements are both deposited on and in direct contact with the outermost surface of the metal sheet.