Nonaqueous electrolyte secondary battery

The invention provides a nonaqueous electrolyte secondary battery. The battery includes: a battery element in which a cathode having a cathode active material layer on a strip-shaped cathode current collector and an anode having an anode active material layer on a strip-shaped anode current collecto...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TAKADA TOMOO, KAWASE KENICHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	The invention provides a nonaqueous electrolyte secondary battery. The battery includes: a battery element in which a cathode having a cathode active material layer on a strip-shaped cathode current collector and an anode having an anode active material layer on a strip-shaped anode current collector are layered with a separator in between, wherein the anode active material layer is provided to occupy a first region that is overlapped with a cathode active material layer formation region in which the cathode active material layer is provided on the cathode current collector and a peripheral region thereof in the anode, and out of a second region adjacent to the first region in the longitudinal direction in the anode, a width of a third region in which the anode active material layer is not formed and the anode current collector is exposed is smaller than a width of the first region.