MULTILAYERED PLANE TYPE ELECTRICITY STORAGE DEVICE AND MANUFACTURING METHOD THEREFOR

PROBLEM TO BE SOLVED: To provide a multilayered plane type electricity storage device that eliminates the need for spot welding of an current collector foil, and is provided with a diversion in preparation for electrical short circuits that may occur between cells, and to provide a low-cost manufact...

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Bibliographische Detailangaben
Hauptverfasser:	MITSUTA KENRO, SETO MAKOTO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE 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:	PROBLEM TO BE SOLVED: To provide a multilayered plane type electricity storage device that eliminates the need for spot welding of an current collector foil, and is provided with a diversion in preparation for electrical short circuits that may occur between cells, and to provide a low-cost manufacturing method therefor. SOLUTION: The multilayered plane type electricity storage device comprises a multilayered plane lamination stack in which a double-sided dual polarity lamination unit and a single-sided dual polarity lamination unit are disposed and laminated. In the double-sided dual polarity lamination unit, a positive electrode layer and a negative electrode layer are formed to face each other across an inter-cell insulating seal portion that is formed in the center of both sides of the rectangular current collector foil in a belt shape extending along a given side. In the single-sided dual polarity lamination unit, a positive electrode layer and a negative electrode layer are formed to face each other across an inter-cell insulating seal portion that is formed in the center of one side of the rectangular current collector foil in a belt shape extending along a given side. The inter-cell insulating seal portions of the double-sided dual polarity lamination unit are bonded to the inter-cell insulating seal portion of the one-sided dual polarity lamination unit or the double-sided dual polarity lamination unit, an upper container, or a lower container, thus cells being separated for each line. COPYRIGHT: (C)2008,JPO&INPIT