POWER STORAGE DEVICE

To provide a power storage device capable of suppressing a gas ejected from an electrode body in a case from breaking through the case and being emitted to the outside of the case.SOLUTION: A power storage device 1 comprises: an electrode body 30; a case 10 that accommodates the electrode body 30 th...

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Bibliographische Detailangaben
1. Verfasser:	SHIMAMURA HARUNARI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	To provide a power storage device capable of suppressing a gas ejected from an electrode body in a case from breaking through the case and being emitted to the outside of the case.SOLUTION: A power storage device 1 comprises: an electrode body 30; a case 10 that accommodates the electrode body 30 therein; and a safety valve 25 provided in the case 10 to emit a gas GA generated in the case 10 to the outside of the case 10. The power storage device 1 further comprises gas guiding parts 40 and 50 that guide the ejected gas GA toward the safety valve 25 in a case where the gas GA is ejected from the electrode body 30.SELECTED DRAWING: Figure 2 【課題】ケース内で電極体から噴出したガスが、ケースを突き破ってケース外に放出されるのを抑制できる蓄電デバイスを提供すること。【解決手段】蓄電デバイス１は、電極体３０と、この電極体３０を内部に収容するケース１０と、このケース１０に設けられ、ケース１０内で発生したガスＧＡをケース１０外に放出する安全弁２５とを備える。更に蓄電デバイス１は、電極体３０からガスＧＡが噴出した場合に、噴出したガスＧＡを安全弁２５に向けて誘導するガス誘導部４０，５０を備える。【選択図】図２