Phase‐Stabilized Crystal Etching to Unlock An Oxygen‐Vacancy‐Rich Potassium Vanadate For Ultra‐Fast Zn Storage
Dan Luo,
Huaibo Yu,
Li Zeng
et al.
Abstract:Despite holding the advantages of high theoretical capacity and low cost, the practical application of layered‐structured potassium vanadates in zinc ion batteries (ZIBs) has been staggered by the sluggish ion diffusion, low intrinsic electronic conductivity, and unstable crystal structure. Herein, for the first time, a phase stabilized crystal etching strategy is proposed to innovate an oxygen‐vacancy‐rich K0.486V2O5 nanorod composite (Ov‐KVO@rGO) as a high‐performance ZIB cathode. The in situ ascorbic acid a… Show more
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