Designable ultra-smooth ultra-thin solid-electrolyte interphases of three alkali metal anodes
Gu, Y; Wang, WW; Li, YJ; Wu, QH; Tang, S; Yan, JW; Zheng, MS; Wu, DY; Fan, CH; Hu, WQ; Chen, ZB; Fang, Y; Zhang, QH; Dong, QF; Mao, BW
2018
发表期刊NATURE COMMUNICATIONS
ISSN2041-1723
卷号9页码:-
文章类型期刊论文
摘要Dendrite growth of alkali metal anodes limited their lifetime for charge/discharge cycling. Here, we report near-perfect anodes of lithium, sodium, and potassium metals achieved by electrochemical polishing, which removes microscopic defects and creates ultra-smooth ultra-thin solid-electrolyte interphase layers at metal surfaces for providing a homogeneous environment. Precise characterizations by AFM force probing with corroborative in-depth XPS profile analysis reveal that the ultra-smooth ultra-thin solid-electrolyte interphase can be designed to have alternating inorganic-rich and organic-rich/mixed multi-layered structure, which offers mechanical property of coupled rigidity and elasticity. The polished metal anodes exhibit significantly enhanced cycling stability, specifically the lithium anodes can cycle for over 200 times at a real current density of 2mA cm(-2) with 100% depth of discharge. Our work illustrates that an ultra-smooth ultra-thin solid-electrolyte interphase may be robust enough to suppress dendrite growth and thus serve as an initial layer for further improved protection of alkali metal anodes.
关键词Atomic-force Microscopy Superoxide Nao2 Battery Polar Aprotic Systems Li-ion Batteries Rechargeable Batteries Double-layer Lithium Liquid Deposition Surface
DOI10.1038/s41467-018-03466-8
收录类别SCI
语种英语
WOS记录号WOS:000429498100001
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28963
专题中科院上海应用物理研究所2011-2018年
作者单位1.Gu, Y
2.Wang, WW
3.Li, YJ
4.Wu, QH
5.Tang, S
6.Yan, JW
7.Zheng, MS
8.Wu, DY
9.Fan, CH
10.Hu, WQ
11.Chen, ZB
12.Fang, Y
13.Zhang, QH
14.Dong, QF
15.Mao, BW
推荐引用方式
GB/T 7714
Gu, Y,Wang, WW,Li, YJ,et al. Designable ultra-smooth ultra-thin solid-electrolyte interphases of three alkali metal anodes[J]. NATURE COMMUNICATIONS,2018,9:-.
APA Gu, Y.,Wang, WW.,Li, YJ.,Wu, QH.,Tang, S.,...&Mao, BW.(2018).Designable ultra-smooth ultra-thin solid-electrolyte interphases of three alkali metal anodes.NATURE COMMUNICATIONS,9,-.
MLA Gu, Y,et al."Designable ultra-smooth ultra-thin solid-electrolyte interphases of three alkali metal anodes".NATURE COMMUNICATIONS 9(2018):-.
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