Method of manufacturing sealed type storage battery using...

H - Electricity – 01 – M

Patent

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H01M 4/38 (2006.01) H01M 10/28 (2006.01) H01M 10/34 (2006.01) H01M 10/44 (2006.01)

Patent

CA 2097943

The invention provides a sealed type storage battery which has a low internal pressure during an overcharging operation, a small capacity loss when operated at a high or low temperature, and a longer cycle life than conventional batteries of this type. A sealed type storage battery using a hydrogen-occlusion electrode as a negative electrode is filled up with an alkaline electrolyte, and there is provided a standing time within 14 hours after the battery was filled up with the electrolyte until the start of the initial charge operation. Also, the initial charge operation is discontinued at such a time when the battery is in an incompletely charged state of 5% or more but less than 100% of its rated capacity, and thereafter the initial charge operation is resumed.

Cette invention a trait à une batterie d'accumulateurs de type scellé ayant une basse pression interne pendant une opération de chargement, une faible capacité de perte lorsqu'elle fonctionne à une température élevée ou basse, et un cycle de vie plus long que les batteries conventionnelles de ce type. Une batterie d'accumulateurs utilisant une électrode à occlusion d'hydrogène comme électrode négative est remplie d'un électrolyte alcalin, et on prévoit un temps d'attente de 14 heures après que la batterie a été remplie avec l'électrolyte jusqu'au début de l'activité initiale de chargement. L'activité initiale de chargement est interrompue au moment où la batterie est dans un état de chargement incomplet à 5 % ou plus mais à moins de 100 % de sa capacité évaluée, puis l'opération initiale de chargement reprend.

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