Method of manufacturing sealed rechargeable batteries

Details Method of manufacturing sealed rechargeable batteries Method of manufacturing sealed rechargeable batteries

1991-06-11

1992-07-21

Skapars, Anthony

Metal working

Method of mechanical manufacture

Electrical device making

429 60, H01M 1000

Patent

active

051319209

ABSTRACT:
The invention relates to a new method of manufacturing a sealed rechargeable alkaline battery including metal oxides as positive electrode active materials and a hydrogen absorbing alloy as a negative electrode material. The basic principle of the method is that, instead of the conventional electrochemical formation, the property of a hydrogen absorbing alloy is utilized to cause the negative electrode to absorb hydrogen to thereby achieve precharged portions within the negative electrode having a relatively larger capacity as compared with the positive electrode. Regardless of the kind of positive electrode, the method of the invention insures a broad freedom in the capacity appropriation between the positive and negative electrodes.

REFERENCES:
patent: 4716088 (1987-12-01), Reichman

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