TY  - JOUR
AU  - LI, Biaoyang
AU  - GAO, Lin
AU  - ZHANG, Lulu
AU  - YANG, Xuelin
PY  - 2023
TI  - W Doped V2O5 Nanosheets as Cathode Material for High-Performance Aqueous Zinc Ion Battery
JO  - Journal of the Chinese Ceramic Society
SN  - 0454-5648
SP  - 1697
EP  - 1706
VL  - 51
IS  - 7
AB  - Aqueous zinc-ion batteries (ZIBs) are considered to be prospective candidates in energy storage devices because of their excellent safety, crustal abundance, low cost and environmental benignity. Whereas, the design of a satisfied cathode material with a large specific capacity, superior rate performance and long-cycle life is still a significant challenge for ZIBs. Herein, a new strategy is proposed to use W doped V2O5 as cathode material for aqueous ZIBs. The W doping can effectively enlarge the lattice spacing and ion migration efficiency of V2O5, and the formation of W—O bond can obviously alleviate the capacity decay problem caused by structural damage and low intrinsic conductivity in the cycling process. As a result, the V2O5-W cathode exhibits an excellent capacity of 195.0 mA·h/g after 100 cycles at 0.1 A/g, and an impressive rate capability of 243.0 mA·h/g at the high current density of 1 A/g after 1000 cycles. This work provides a simple, efficient and feasible strategy for designing high-performance cathode materials in ZIBs.
UR  - https://doi.org/10.14062/j.issn.0454-5648.20220901
DO  - 10.14062/j.issn.0454-5648.20220901