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Li+ insertion‐induced structure transformation in crystalline electrodes vitally influence the energy density and cycle life of secondary lithium‐ion battery. However, the influence mechanism of structure transformation‐induced Li+ migration on the electrochemical performance of micro‐crystal materials is still unclear and the strategy to profit from such structure transformation remains exploited...
Li‐Ion Batteries
Developing new oxide solid electrolytes with fast Li‐ion transport and high stability is an important step to realize high‐performance solid‐state Li‐ion batteries. In article number 2201094, Tao Gao, Zilong Tang, and co‐workers discover that confined water in quaternary Li–H–Ti–O solid electrolytes can enhance ionic conductivity. Meanwhile, strong covalent bonds between confined...
Developing new oxide solid electrolytes with fast Li‐ion transport and high stability is an important step to realize high‐performance solid‐state Li‐ion batteries. Hydrate materials containing confined water widely exist in nature or can be easily synthesized. However, they have seldom been explored as Li‐ion solid electrolytes due to the stereotype that the presence of water limits the electrochemical...
For conventional polycrystalline Ni‐rich cathode material consisting of numerous primary particles in disordered orientation, the crystal anisotropy in charge/discharge process results in the poor rate capability and rapid capacity degradation. In this work, highly‐dispersed submicron single‐crystal LiNi0.8Co0.15Al0.05O2 (SC‐NCA) cathode is efficiently prepared by spray pyrolysis (SP) technique followed...
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