School of Chemistry China Normal University 510006;
Guangzhou Tinci Materials Technology Co.. 510760;
LiNi_(0.8)Co_(0.1)Mn_(0.1)O_(2)/graphite battery; High temperature performance; H_(2)O/HF scavenger; 2-Phenyl-1H-imidazole-1-sulfonate; Electrolyte additive;