H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 4/04 (2006.01) C22C 1/02 (2006.01) C22C 21/00 (2006.01) C22F 1/04 (2006.01) H01M 4/38 (2006.01) H01M 4/46 (2006.01)
Patent
CA 2339059
A process of making an aluminum alloy anodic material having improved electrochemical properties for use in an electrochemical cell and battery, the alloy consisting essentially of 95- 99.5% w/w Al and 0.5-5.0 cumulative w/w additive metal selected from Group II - Group V metals of the Periodic Table, the process comprising heating 95 - 99.5% w/w Al and 0.5 - 5.0 cumulative w/w additive metal in admixture to a temperature to form a homogeneous matrix of melted alloy; cooling the melted alloy at a liquidus/solidius cooling rate to produce a solid, non-equilibrium alloy of a non-homogenous multiphase matrix comprising discrete, relatively large crystals of pure aluminum and relatively smaller crystals of the additive metal included at the interface with the aluminum crystals; rolling the solid alloy to reduce its thickness to a factor of 0.2 to 0.01 to produce a rolled sheet of the alloy having a microstructure comprising an aluminum matrix having elongate inclusions of the additive metal and small, satellite ovoidal inclusions of the additive metal dispersed in the matrix.
Iarochenko Alexander M.
Kulakov Evgeny B.
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