期刊
RSC ADVANCES
卷 8, 期 34, 页码 19157-19163出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ra03226b
关键词
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资金
- Basic Science Center Project of National Natural Science Foundation of China [51788104]
- National Key R&D Program of China [2016YFA0202500]
- National Natural Science Foundation of China [21773264, 51672281]
- Transformational Technologies for Clean Energy and Demonstration, Strategic Priority Research Program of the Chinese Academy of Sciences [XDA 21070300]
Rechargeable aqueous batteries are one of the most promising large-scale energy storage devices because of their environment-friendly properties and high safety advantages without using flammable and poisonous organic liquid electrolyte. In addition, rechargeable Zn-MnO2 batteries have great potential due to their low-cost resources as well as high energy density. However, dendritic growth of the zinc anode hinders the exertion of cycling stability and rate capacity in an aqueous Zn-MnO2 battery system. Here we use an electrochemical deposition method to in situ form a three-dimensional (3D) zinc anode on carbon fibers (CFs). This 3D Zn@CFs framework has lower charge transfer resistance with larger electroactive areas. Batteries based on the 3D zinc framework anode and -MnO2 nanowire cathode present enhanced rate capacity and long cycling stability, which is promising for utilization in other zinc anode based aqueous batteries as an effective way to solve dendrite formation.
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