发明名称 |
Zinc powder for alkaline batteries. |
摘要 |
A zinc based powder for alkaline batteries is claimed contg. less mercury. It contains, in addn. to zinc and its inevitable impurities; Al 0.005 to 2%; Rare earth metal (REM) 0.0001 to 0.01%; In or REM 0.0001 to 2%; Bi 0.003-2% + In or REM 0.0001 to 2%; Pb 0.005 to 2% + In or REM 0.0001 to 2%; Pb 0.005 to 2%, Bi 0.003 to 2% and In or REM 0.0001 to 2%. The pref. amt. of Al is 0.02 to 0.06%, of In is 0.0025 to 0.05% and of rare earth metals is 0.0003 to 0.005%. The powder can contain up to 0.2% Hg but this can range down to zero. The lead level can be as high as 2% but the min. claimed is 0.01 to 1%. The pref. Bi level is 0.003 to 0.05%. In addn. there is pref. 0.005 to 0.07% of at least one element from the group Ga, Rn, alkali metals and alkali earth metal. |
申请公布号 |
EP0427315(A2) |
申请公布日期 |
1991.05.15 |
申请号 |
EP19900202853 |
申请日期 |
1990.10.26 |
申请人 |
S.A. ACEC-UNION MINIERE N.V. |
发明人 |
MEEUS, MARCEL L.;STRAUVEN, YVAN A.J. |
分类号 |
C22C18/00;C22C1/04;C22C18/04;H01M4/22;H01M4/42 |
主分类号 |
C22C18/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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