POWER STORAGE DEVICE

PROBLEM TO BE SOLVED: To provide a power storage device which enables the suppression of generation of hydrogen fluoride.SOLUTION: A secondary battery comprises: an electrode assembly composed of a layered structure including a positive electrode, a negative electrode, and a separator 40 for insulat...

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Bibliographische Detailangaben
1. Verfasser:	NIWA JUNICHI
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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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a power storage device which enables the suppression of generation of hydrogen fluoride.SOLUTION: A secondary battery comprises: an electrode assembly composed of a layered structure including a positive electrode, a negative electrode, and a separator 40 for insulating between the electrodes; a case in which the electrode assembly is enclosed; and an electrolytic solution including a lithium salt and filled in the case. The secondary battery further comprises, on a surface 41 of the separator 40 opposed to the positive electrode, a compound layer 43 including an interlayer compound of a multilayer crystal structure.SELECTED DRAWING: Figure 4 【課題】フッ化水素の発生を抑えることのできる蓄電装置を提供する。【解決手段】二次電池は、正極電極と負極電極とそれら電極間を絶縁するセパレータ４０とが層状の構造をなす電極組立体、同電極組立体を収容するケース、ケースの内部に注入されたリチウム塩を含む電解液を備える。二次電池は、セパレータ４０における正極電極に対する対向面４１に、多層状の結晶構造の層間化合物を含む化合物層４３を有している。【選択図】図４