Abstract
This study examines the electrochemical performance of LiNi1/3Co1/3Mn1/3O2 (LNCM) cathode, prepared by a medium-frequency induction sintering technique. The induction heating method is capable of preparing highly-crystalline LNCM powders. The carbon coating onto LNCM powders appears as a crucial factor in facilitating the specific capacity, rate capability, and cyclic stability. The discharge capacities of C-coated LNCM cathode can reach to 184.6 and 202.3 mAh g−1 at 25 and 55°C, respectively. This enhanced performance can be ascribed to fast Li+ diffusion in the solid solution and electron jumping across the LNCM cathode, with the aid of carbon layer over the LNCM cathode.
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