×

ALUMINUM ALLOY FOIL FOR ELECTRODE CURRENT COLLECTORS AND MANUFACTURING METHOD THEREOF

  • US 20130302676A1
  • Filed: 12/12/2011
  • Published: 11/14/2013
  • Est. Priority Date: 12/20/2010
  • Status: Active Grant
First Claim
Patent Images

1. An aluminum alloy foil for an electrode current collector, comprising 0.1 to 1.0 mass % (hereinafter, “

  • mass %”

    is simply referred to as “

    %”

    ) of Fe, 0.01 to 0.5% of Si, and 0.01 to 0.2% of Cu, with the rest consisting of Al and unavoidable impurities, wherein the aluminum alloy foil after final cold rolling has a tensile strength of 220 MPa or higher, a 0.2% yield strength of 180 MPa or higher, and an electrical conductivity of 58% IACS or higher; and

    the aluminum ally foil has a tensile strength of 190 MPa or higher and a 0.2% yield strength of 160 MPa or higher even after the aluminum alloy foil is subjected to heat treatment at any of 120°

    C. for 24 hours, 140°

    C. for 3 hours, and 160°

    C. for 15 minutes.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×