Positive electrode coating liquid, positive electrode precursor, and nonaqueous lithium electric storage element

Positive electrode coating liquid, positive electrode precursor, and nonaqueous lithium electric storage element

Provided is a positive electrode precursor having a positive electrode active material layer, wherein the mass proportion A1 of a carbon material in the positive electrode active material layer accounts for 15-65 mass %, the mass proportion A2 of a lithium transition metal oxide in the positive elec...

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Bibliographische Detailangaben
Hauptverfasser: Okada, Nobuhiro, Hirakawa, Yuichiro, Kusuzaka, Keita, Umetsu, Kazuteru
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:Provided is a positive electrode precursor having a positive electrode active material layer, wherein the mass proportion A1 of a carbon material in the positive electrode active material layer accounts for 15-65 mass %, the mass proportion A2 of a lithium transition metal oxide in the positive electrode active material layer accounts for 5-35 mass %, the mass proportion A3 of an alkali metal compound in the positive electrode active material layer accounts for 10-50 mass %, A2/A1 is 0.10-2.00, A1/A3 is 0.50-3.00, and the positive electrode active material layer has a peel strength of 0.02-3.00 N/cm.