Cathodes for zinc manganese dioxide cells having barium...

Details Cathodes for zinc manganese dioxide cells having barium... Cathodes for zinc manganese dioxide cells having barium...

H - Electricity

01

M

H01M 4/62 (2006.01) H01M 10/24 (2006.01) H01M 4/50 (2006.01)

Patent

CA 2126069

A cathode structure for alkaline manganese dioxide-zinc primary or rechargeable cells with improved capacity that comprise manganese dioxide active material, a conductive powder and an additive material uniformly mixed and pressed to form a porous body, wherein the additive is a barium compound which is at least 3 % mass of the solid components. The preferred additive is barium oxide, barium hydroxide or barium sulphate. The invention relates also to alkaline manganese dioxide-zinc primary or rechargeable cells, wherein the cathode structure is employed.

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