POWER STORAGE DEVICE

A power storage device includes a first electrode including a first active material layer formed on a first surface, a second electrode including a second active material layer formed on a first surface, a separator, and a spacer. The first active material layer has a longitudinal side of a first le...

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Bibliographische Detailangaben
Hauptverfasser:	OKAMOTO, Yuki, KAWABATA, Yoshikatsu, INOUE, Masaki
Format:	Patent
Sprache:	eng
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:	A power storage device includes a first electrode including a first active material layer formed on a first surface, a second electrode including a second active material layer formed on a first surface, a separator, and a spacer. The first active material layer has a longitudinal side of a first length. The second area has a second length between the spacer and the first active material layer. A ratio of the second length to the first length is 0.02 or less. At least one of corners of the first active material layer has a shape chamfered in an arc shape. A radius of curvature at a portion of the corner having a maximum curvature is 5 mm or more.