Method for producing a storage battery plate

Details Method for producing a storage battery plate Method for producing a storage battery plate

1981-07-27

1983-05-10

Michl, Paul R.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

2521821, H01B 108

Patent

active

043828833

ABSTRACT:
An improvement in a method for producing a negative lead-acid storage battery plate is disclosed. The improvement involves the production of a paste from sulfuric acid and a lead oxide mixture containing, distributed therethrough, from 0.1 to 1.0 part of at least one barium carbonate per 100 parts of lead therein, calculated as PbO. Preferably the paste contains from 0.1 to 0.4 part of barium carbonate per 100 parts of lead. As a consequence of reaction between the sulfuric acid and the barium carbonate, finely-divided barium sulfate is formed in situ in the paste and carbon dioxide to harden the paste is released. The barium sulfate functions as an expander and the carbon dioxide initiates curing of the paste.

REFERENCES:
patent: 1929357 (1933-10-01), Johnstone
patent: 3969141 (1976-07-01), Eriksson

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