Additives for alkaline electrochemical cells having manganese di

Details Additives for alkaline electrochemical cells having manganese di Additives for alkaline electrochemical cells having manganese di

1995-08-22

1996-07-02

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429229, 429206, H01M 450, H01M 442

Patent

active

055320856

ABSTRACT:
The invention relates to alkaline cells containing manganese dioxide cathode active material. A substance selected from the group of compounds CaWO.sub.4, MgTiO.sub.3, BaTiO.sub.3, CaTiO.sub.3, ZnMn.sub.2 O.sub.4, and Bi.sub.12 TiO.sub.20 is added to the cathode of conventional alkaline cells typically having an anode comprising zinc and cathode comprising manganese dioxide and an alkaline electrolyte. The additive increases the service life of the cell.

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