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Stabilizing Li/electrolyte interface with a transplantable protective layer based on nanoscale LiF domains
Peng, Zhe1; Zhao, Ning4; Zhang, Zhenggang1; Wan, Hao1; Lin, Huan1; Liu, Meng1; Shen, Cai1; He, Haiyong1; Guo, Xiangxin2; Zhang, Ji-Guang3; Wang, Deyu1
2017
Source PublicationNano Energy
ISSN22112855
Volume39Pages:662-672
AbstractAlthough Li metal has been regarded as one of the most promising anode materials, an unstable Li/electrolyte interface during the cycling process seriously limits its practical application in rechargeable batteries. Herein, we report a transplantable LiF-rich layer (TLL) that can suppress the side reactions between electrolyte and lithium metal. This peelable layer cross-linked by nanoscale LiF domains is obtained by electrochemically reducing NiF2electrodes and could be used to protect Li metal anodes. Cu-Li cells using the TLL protection can operate for more than 300 cycles with a Coulombic efficiency as high as ~ 98% in carbonate-based electrolytes. In Li-LiFePO4cells, lithium metal with a TLL still looks shiny after 1000 cycles (~ 6 months) in contrast to the black surface of bare lithium foil after ~ 500 cycles (~ 3 months). These results clearly demonstrate that the TLL could greatly limit the side reactions between lithium metal and the carbonate-based electrolytes, and may enable long-term stable operation of Li metal batteries. © 2017
DOI10.1016/j.nanoen.2017.07.052
EI Accession Number20173204020041
EI KeywordsLithium compounds
EI Classification Number544.2 Copper Alloys - 702 Electric Batteries and Fuel Cells - 714.1 Electron Tubes - 761 Nanotechnology - 803 Chemical Agents and Basic Industrial Chemicals - 804 Chemical Products Generally - 951 Materials Science
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Cited Times:36[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25439
Collection中国科学院上海硅酸盐研究所
Affiliation1.Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo; 315201, China;
2.CAS Key Laboratory of Materials for Energy Conversion, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
3.Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland; WA; 99352, United States;
4.College of Physics, Qingdao University, Qingdao; 266071, China
Recommended Citation
GB/T 7714
Peng, Zhe,Zhao, Ning,Zhang, Zhenggang,et al. Stabilizing Li/electrolyte interface with a transplantable protective layer based on nanoscale LiF domains[J]. Nano Energy,2017,39:662-672.
APA Peng, Zhe.,Zhao, Ning.,Zhang, Zhenggang.,Wan, Hao.,Lin, Huan.,...&Wang, Deyu.(2017).Stabilizing Li/electrolyte interface with a transplantable protective layer based on nanoscale LiF domains.Nano Energy,39,662-672.
MLA Peng, Zhe,et al."Stabilizing Li/electrolyte interface with a transplantable protective layer based on nanoscale LiF domains".Nano Energy 39(2017):662-672.
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