Electronic Structure Regulation of Layered Vanadium Oxide via Interlayer Doping Strategy toward Superior High‐Rate and Low‐Temperature Zinc‐Ion Batteries
Guangdong University of Technology · Suzhou University of Technology
Abstract
Abstract Currently, development of suitable cathode materials for zinc‐ion batteries (ZIBs) is plagued by the sluggish kinetics of Zn 2+ with multivalent charge in the host structure. Herein, it is demonstrated that interlayer Mn 2+ ‐doped layered vanadium oxide (Mn 0.15 V 2 O 5 · n H 2 O) composites with narrowed direct bandgap manifest greatly boosted electrochemical performance as zinc‐ion battery cathodes. Specifically, the Mn 0.15 V 2 O 5 · n H 2 O electrode shows a high specific capacity of 367 mAh g −1 at a current density of 0.1 A g −1 as well as excellent retentive capacities of 153 and 122 mAh g −1 after 8000 cycles at high current densities up to 10 and 20 A g −1 , respectively. Even at a low…
Citation impact
- FWCI
- 25.55
- Percentile
- 100%
- References
- 41
Authors
6Topics & keywords
- Materials science
- Electrochemistry
- Cathode
- Vanadium
- Doping
- Vanadium oxide
- Ion
- Battery (electricity)