Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 13, Issue 16, Pages 18704-18712Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.1c00749
Keywords
3D structure; V10O24 center dot 12H(2)O nanosheets; coated carbon; zinc-ion batteries; facile synthesis
Funding
- Training Plan of Young Backbone Teachers in Henan Colleges and Universities [2018GGJS144]
- Development Plan to Cultivate Huan-River Scholar of Anyang Institute of Technology [HRS201904]
- Project of Tackling Key Problems on Causes and Treatments of Heavy Air Pollution of China [DQGG0209-25]
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Three-dimensional V10O24@C nanosheets show excellent performance and cycling stability as cathodes in zinc-ion batteries, making them suitable for high-rate discharge applications.
Three-dimensional (3D) structures of V10O24 center dot 12H(2)O nanosheets coated with carbon (denoted as V10O24@C) are facially and cost-effectively fabricated by reducing the V2O5-based aqueous solution with ethanol under hydrothermal conditions. By using the 3D V10O24@C as the cathode of zinc-ion batteries, the as-obtained 3D V10O24@C sample delivers excellent charge-discharge cycling capability, superior rate performance, and reasonable specific capacity, and a specific capacity of ca. 133.3 mA h g(-1) and a 94.1% capacity retention are achieved even after 10000 cycles at a high current density of 10 A g(-1) (similar to 80 C). Furthermore, it provides a facile and scalable approach to synthesize the 3D structures of pure-phased vanadium oxide nanosheets or other nanoscale metal oxides coated with carbon.
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