C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 18/00 (2006.01) C22C 1/04 (2006.01) H01M 4/24 (2006.01) H01M 4/42 (2006.01)
Patent
CA 2061023
A non-amalgamated zinc alloy powder for use in an alkaline cell which consists of an elemental component selected from among the following compositions (1) to (6) (1) 0.01 to 0.5% by weight of bismuth, 0.01 to 0.5% by weight of indium and 0.01 to 0.5% by weight of lead, (2) 0.01 to 0.5% by weight of bismuth, 0.01 to 0.5% by weight of indium and 0.005 to 0.5% by weight of calcium, (3) 0.01 to 0.5% by weight of lead and up to 1.0 % by weight in total of at least one member selected from the group consisting of bismuth, aluminum and calcium, (4) 0.005 to 0.5% by weight of calcium, 0.01 to 0.5% by weight of bismuth and 0 to 0.5% by weight of aluminum. (5) 0.01 to 0.5% by weight of lead, 0.01 to 0.5% by weight of indium, 0.01 to 0.5% by weight of calcium and 0 to 0.5% by weight of aluminum, and (6) 0.01 to 0.5% by weight of lead, 0.01 to 0.5% by weight of indium, less than 0.01 % by weight of calcium and 0.01 to 0.5% by weight of aluminum, and the balance being zinc and containing 1 ppm or less of iron, and which can greatly suppress the evolution of hydrogen gas and maintain the discharge performance on a practical level, and the method to produce the same.
Asaoka Junichi
Motomura Tomotaka
Tsuchida Shuji
Uemura Toyohide
Yamaguchi Tomiko
Matsushita Electric Industrial Co. Ltd.
Mitsui Mining & Smelting Co. Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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