A zinc powder for alkaline batteries can comprise up to 20 ppm of iron if it further consists of 0.0005-1 % of aluminium, of a quantity of calcium such that the molar ratio aluminium/calcium amounts at most to 2 and such that the sum of the concentrations of aluminium and calcium amounts at most to 2 %, of 0.001-2 % of at least one of bismuth, indium and gallium, the rest being zinc.
申请公布号
WO9606196(A1)
申请公布日期
1996.02.29
申请号
WO1995EP03229
申请日期
1995.08.14
申请人
N.V. UNION MINIERE S.A;STRAUVEN, IVAN, A., J.;MEEUS, MARCEL, L.