Aluminum alloy foil for electrode current collectors and manufacturing method thereof

Aluminum alloy foil for electrode current collectors and manufacturing method thereof

  • CN 103,262,317 A
  • Filed: 12/12/2011
  • Published: 08/21/2013
  • Est. Priority Date: 12/20/2010
  • Status: Active Application
First Claim
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1. electrode collector alloy foil, it is characterized in that:

  • this kind alloy foil contains Fe;

    0.03~

    0.1mass%, Si;

    0.01~

    0.1mass%, Cu;

    0.0001~

    0.01mass%, remainder is made up of Al and unavoidable impurities, final tensile strength after cold rolling is more than the 180MPa, 0.2% endurance is more than the 160MPa, conductance is more than the 60%IACS, and under 120 ℃

    of temperature, carried out 24 hours, carried out 3 hours under 140 ℃

    of temperature, under the situation of carrying out under 160 ℃

    of temperature under the arbitrary condition among 15 minutes above-mentioned final alloy foil after cold rolling is heat-treated, tensile strength after the heat treatment still is more than the 170MPa, and 0.2% endurance is more than the 150MPa.

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