Energy storage device and method of manufacturing energy storage device

An energy storage device including: an electrode assembly and a positive electrode current collector, wherein the positive electrode current collector includes an electrode connecting portion connected to the electrode assembly, the electrode connecting portion includes a first portion and a second...

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Bibliographische Detailangaben
Hauptverfasser:	Kambayashi, Hirokazu, Maeda, Kazuto
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:	An energy storage device including: an electrode assembly and a positive electrode current collector, wherein the positive electrode current collector includes an electrode connecting portion connected to the electrode assembly, the electrode connecting portion includes a first portion and a second portion which has a smaller wall thickness than the first portion and is joined to the electrode assembly, and either one of the second portion or the electrode assembly includes a first convex portion projecting toward the other in a joined portion.