Research progress on modification of high nickel ternary cathode materials for lithium ion batteries
High-nickel ternary cathode materials have received extensive attention from researchers due to their advanta-ges,including high energy density,high voltage plateau,and non-memory effect.However,limited by its deficiencies such as poor cycling stability,cations disordering,and poor thermal stability,there remains necessity for extensive and comprehensive research on high-nickel ternary cathodes.This paper focuses on the deficiencies of high nickel ternary cathode materials,and summarized recent advances in modification approaches,encompassing ions doping,surface coat-ing,concentration gradient,co-modification,electrolyte modification and structure regulation in recent years,while also discussing and providing prospects for future research directions.
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