Method of manufacturing sealed-type storage batteries using hydr

Details Method of manufacturing sealed-type storage batteries using hydr Method of manufacturing sealed-type storage batteries using hydr

1993-05-24

1994-06-21

Maples, John S.

Metal working

Method of mechanical manufacture

Electrical device making

296231, 429223, H01M 600, H01M 458

Patent

active

053225279

ABSTRACT:
A method of manufacturing a sealed-type storage battery using a hydrogen-occlusion electrode and an alloy for making the electrode is described. The sealed-type storage battery uses the hydrogen-occlusion electrode as a negative electrode. The battery is filled up with an alkaline electrolyte and is then allowed to stand for not more than 14 hours prior to the commencement of the initial charging of the battery. The initial charging is discontinued for at least one hour when the battery is in an incomplete charged state, i.e., when the battery is charged 5% or more but less than 100% of its rated capacity. Thereafter, the charging of the battery is continued until the battery is charged to its full capacity. The invention provides a sealed-type storage battery which has a low internal pressure during an overcharging operation, has a small capacity loss when operated whether at a high or low temperature, and has a longer cycle life as compared to conventional batteries.

REFERENCES:
patent: 5077149 (1991-12-01), Ikoma et al.

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