LITHIUM ION SECONDARY BATTERY AND SEPARATION MEMBRANE

LITHIUM ION SECONDARY BATTERY AND SEPARATION MEMBRANE

An aspect of the present invention provides a lithium ion secondary battery containing: a positive electrode mixture layer; a separation membrane; and a negative electrode mixture layer, in this order, wherein the positive electrode mixture layer contains a positive electrode active material, a firs...

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Bibliographische Detailangaben
Hauptverfasser: YOSHINARI, Yasuhiko, MIKUNI, Hiroki, HORIKAWA, Masayo, ORITA, Akihiro, KURODA, Naoto
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:An aspect of the present invention provides a lithium ion secondary battery containing: a positive electrode mixture layer; a separation membrane; and a negative electrode mixture layer, in this order, wherein the positive electrode mixture layer contains a positive electrode active material, a first lithium salt, and a first solvent, the negative electrode mixture layer contains a negative electrode active material, a second lithium salt, and a second solvent different from the first solvent, and the separation membrane contains pores having an average pore size of 2 Å or greater and less than 20 Å.