期刊
CHEMICAL COMMUNICATIONS
卷 54, 期 19, 页码 2381-2384出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7cc09751d
关键词
-
资金
- Programs of National Key Research [2017YFA0206700, 2016YFA0202500, 2016YFB0901502]
- NSFC [51771094]
- MOE 111 [B12015]
We report an in situ analysis of nano-micro sodium deposition in an ester-based electrolyte using atomic force microscopy. It is found that sodium dendrites are effectively suppressed by adding fluoroethylene carbonate (FEC) as an electrolyte additive. The decomposition of FEC provides a NaF-containing solid electrolyte interphase with homogenous morphology and high modulus, leading to stable sodium deposition and high Coulombic efficiency (88% over 50 cycles) of the sodium metal anode.
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