LID ASSEMBLY, BATTERY AND BATTERY PACK

According to one embodiment, a lid assembly includes a plate-shaped lid, a pair of leads, an insulating member, and a valve. The insulating member is provided between the lid and base portions of the pair of leads. The insulating member includes opposing faces facing an electrode group, a pair of su...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHINODA, Tatsuya, YAMAGISHI, Genki, NEGISHI, Nobuyasu
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	According to one embodiment, a lid assembly includes a plate-shaped lid, a pair of leads, an insulating member, and a valve. The insulating member is provided between the lid and base portions of the pair of leads. The insulating member includes opposing faces facing an electrode group, a pair of support face groups protruding with respect to the opposing faces, and an intermediate region provided between the pair of support face groups and having an opening facing the lid. The valve is adjacent to the opening of the intermediate region, and is configured to open when a pressure on a side where the leads and the insulating member are disposed reaching a predetermined pressure. A maximum possible opening area with which the valve is configured to open is equal to or smaller than an area of the opposing faces.