THIN FILM SOLID SECONDARY BATTERY AND METHOD OF MANUFACTURING THIN FILM SOLID SECONDARY BATTERY

PROBLEM TO BE SOLVED: To provide a thin film solid secondary battery having high charge/discharge capacity and high cycle characteristics. SOLUTION: In the thin film solid secondary battery formed by laminating a positive current collecting layer 20, a positive active material layer 30, a solid elec...

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Bibliographische Detailangaben
Hauptverfasser:	BABA MAMORU, NAKAZAWA HIROMI, SANO KIMIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRICITY INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a thin film solid secondary battery having high charge/discharge capacity and high cycle characteristics. SOLUTION: In the thin film solid secondary battery formed by laminating a positive current collecting layer 20, a positive active material layer 30, a solid electrolyte layer 40, a negative active material layer 50, and a negative current collecting layer 20 on a substrate 10, the thickness of the positive active material layer 30 and that of the negative active material layer 5 are decided so that when the ratio of the reverse number of a maximum charge/discharge capacity per volume to the negative active material layer 50 of the positive active material layer 330 is represented by R, the film thickness ratio to the negative active material layer 50 of the positive active material layer 30 satisfies the condition of 0.2≤R≤X≤10R. As the maximum charge/discharge capacity pre volume of the positive active material layer 30 and the negative active material layer 50, a value obtained by actual measurement is used. COPYRIGHT: (C)2007,JPO&INPIT