LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY
Applicants
Sumitomo Metal Mining Co., Ltd.
Inventors
KAGEURA, Jun-ichi, KURITA, Hiroyuki, NAKAO, Kimiyasu, KOBAYASHI, Ryota
Abstract
The present invention provides a lithium secondary battery positive electrode, wherein an electrode mixture layer that includes a positive electrode active material for a lithium secondary battery including secondary particles obtained by aggregating primary particles capable of being doped or de-doped with lithium ions being aggregated, a conductive material, and a binding agent and a current collector are laminated, and requirements (1) and (2) below are satisfied:(1) 180-degree peeling strength between the current collector and the electrode mixture layer is equal to or greater than 140 N/m; and(2) a BET specific surface area of the electrode mixture layer is equal to or greater than 4.0 m/g and equal to or less than 8.5 m/g.
IPC Classifications
Designated States
AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR