Room Temperature, Liquid-Phase Al2o3 Surface Coating Approach For Ni-Rich Layered Oxide Cathode Material
CHEMICAL COMMUNICATIONS(2019)
摘要
A room temperature, atomic-layer-deposition-like coating strategy for NCM811 (80% Ni) is reported. Trimethylaluminum is shown to readily react with adsorbed moisture, leading both to Al2O3 surface layer formation on NCM811 and to trace H2O removal in a single treatment step. Even more importantly, the cycling performance of pouch cells at 45 degrees C is greatly improved.
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关键词
surface coating approach,cathode,oxide,liquid-phase,ni-rich
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