Cathode Material

Abstract

Ultrathin Al2O3 is directly deposited on LiNi0.5Co0.2Mn0.3O2 (NCM523) composite electrodes by atomic layer deposition (ALD). After 4 ALD cycles, the coated cathode exhibits significantly improved cycling performance and thermal stability, especially at high working voltage. The capacity retention of the coated cathode is 76.8% after 30 cycles in the voltage… (More)

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