Additives for primary electrochemical cells having manganese dio

Details Additives for primary electrochemical cells having manganese dio Additives for primary electrochemical cells having manganese dio

Filed on

1993-05-17

Date issued

1994-08-30

Examiner

Kalafut, Stephen

Patent Class

Chemistry: electrical current producing apparatus, product, and

SubClass

Current producing cell, elements, subcombinations and...

SubSubClass

Electrode

Other Related Categories

429232, H01M 462

Type

Patent

Status

active

Patent number

053427122

Description

ABSTRACT:
The invention relates to primary alkaline cells containing manganese dioxide cathode active material. Anatase titanium dioxide is added to the manganese dioxide cathode material resulting in an increase in the useful service life of the cell. Typically the anatase titanium dioxide comprises between 0.1 and 5 percent by weight of the cathode active material.

REFERENCES:
patent: 1058778 (1913-04-01), Morrison
patent: 4096318 (1978-06-01), Wurmb et al.
patent: 4483785 (1984-11-01), Johnson et al.
patent: 4524091 (1985-06-01), Blaauw et al.
patent: 5011752 (1991-04-01), Kordesch
patent: 5026617 (1991-06-01), Kosaka

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