Method for making nickel and cadmium electrodes for batteries

Details Method for making nickel and cadmium electrodes for batteries Method for making nickel and cadmium electrodes for batteries

1975-11-28

1976-10-19

Mack, John H.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429223, 204 21, H01M 422

Patent

active

039868931

ABSTRACT:
An improved process for the electrolytic deposition of active material which may be in the form of a suitable metal hydroxide in a porous sintered nickel plaque, which in turn may be utilized to form the positive and/or negative electrodes of a nickel-cadmium battery. The process is characterized by the use of an organic acid such as formic acid as the buffering or support agent which effectively stabilizes the pH of the impregnating solution at an optimized value while at the same time avoids generating any particulate by-product which would otherwise contaminate the solution, thereby providing a virtually unlimited service life. Other advantages to the use of formic acid as the buffering material are disclosed as well.

REFERENCES:
patent: 708695 (1902-09-01), Christian
patent: 3041388 (1962-06-01), Fukuda et al.

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