Patent ID: 9732402
Date: 2017-08-15
CPC Classifications: B32B,B65D,C22C,C22F,H01M,Y02E,Y10T

Claim:
1. An aluminum alloy foil, comprising: 0.8 to 2.0 mass % of Fe, 0.05 to 0.2 mass % of Si, and 0.0025 to 0.5 mass % of Cu, with the rest consisting of Al and unavoidable impurities, wherein the aluminum alloy foil has an average crystal grain size of 20 μm or less, and a number of intermetallic compounds existing in the aluminum alloy foil, the intermetallic compounds having a circle equivalent diameter of 1.0 to 5.0 μm, is 1.0×10