期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 8, 期 31, 页码 15399-15416出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ta02469d
关键词
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资金
- National Natural Science Foundation of China [51872196]
- Natural Science Foundation of Tianjin, China [17JCJQJC44100]
- National Postdoctoral Program for Innovative Talents [BX20190232]
- China Postdoctoral Science Foundation [2019M660059]
With its high theoretical capacity (1165 mA h g(-1)), low reduction potential (-2.71 Vvs.the standard hydrogen electrode) and abundant resources in the earth's crust, a Na anode exhibits great potential in grid-scale energy storage systems and extensive application of electric vehicles. Nevertheless, its practical application is still hindered by its dendrite-related hazards, together with severe side reactions and infinite volume change during plating/stripping processes. Among various strategies, constructing a composite sodium anode stands out in virtue of its unique role in mitigating volume fluctuation, lowering the current density and providing numerous nucleation sites for homogeneous Na(+)plating. Herein, current progress in making a composite sodium metal anode is reviewed in terms of carbon-based scaffolds, carbon-based interlayers, carbon-based current collectors, metal-based scaffolds and mixed ion/electron-conducting scaffolds for practical applications. Finally, perspectives on its future development and important factors concerning its commercialization for high-energy-density sodium metal batteries are provided.
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