LITHIUM SECONDARY BATTERY

The objective of the present invention is to reduce the resistance between a positive electrode and a negative electrode. A lithium ion secondary battery which comprises a positive electrode having apositive electrode mixture layer, a negative electrode having a negative electrode mixture layer, and...

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Bibliographische Detailangaben
Hauptverfasser:	NAOE KAZUAKI, ARAKI CHIEKO, SUZUKI SHUICHI, AMASAKI SHIMPEI, TSUBOUCHI SHIGETAKA, NOIE AKIHIKO, NISHIMURA ETSUKO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	The objective of the present invention is to reduce the resistance between a positive electrode and a negative electrode. A lithium ion secondary battery which comprises a positive electrode having apositive electrode mixture layer, a negative electrode having a negative electrode mixture layer, and a ceramic layer arranged between the positive electrode mixture layer and the negative electrode mixture layer, and wherein: the ceramic layer contains ceramic particles and dielectric particles represented by Ba1-xMxTiO3 (wherein M is La or Sr, and x is within the range of 0-0.1); the ceramic particles have an average particle diameter (Da) of from 1 [mu]m to 30 [mu]m (inclusive); the relationship between the average particle diameter (Da) of the ceramic particles and the average particle diameter (Db) of the dielectric particles, namely Db/Da satisfies Db/Da