Phosphate‐Rich Interface for a Highly Stable and Safe 4.6 V LiCoO2 Cathode

Increasing the upper cut‐off voltage of LiCoO2 (LCO) is one of the most efficient strategies to gain high‐energy density for current lithium‐ion batteries. However, surface instability is expected to be exaggerated with increasing voltage arising from the high reactivity between the delithiated LCO...

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Bibliographic Details
Published in:	Advanced materials (Weinheim) 2023-04, Vol.35 (14), p.e2210966-n/a
Main Authors:	Yang, Chao, Liao, Xiaobin, Zhou, Xing, Sun, Congli, Qu, Rui, Han, Jin, Zhao, Yan, Wang, Liguang, You, Ya, Lu, Jun
Format:	Article
Language:	English
Subjects:	Cathodes Electric potential Electrochemical activation electrolyte Electrolytes Flammability high‐voltage LiCoO 2 in situ interface modification Lithium compounds Lithium-ion batteries Materials science Nonaqueous electrolytes phosphate‐rich interface Safety Solvents Surface stability Surface structure Thermal stability Voltage
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