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	Operando study of Fe3O4 anodes by electrochemical atomic force microscopy
	Wang, Deyu; Wang, Shuwei; Zhang, Weicong; Chen, Yuanning; Dai, Zhengwu; Zhao, Chongchong; Shen, Cai
刊名	APPLIED SURFACE SCIENCE
	2017
卷号	426页码:217-223
ISSN号	0169-4332
英文摘要	Present study provided visual evidence of solid electrolyte interphase (SEI) layer formation on Fe3O4 anode during charge and discharge using in situ electrochemical atomic force microscopy. AFM images show that SEI layer formed on Fe3O4 electrode from fluoroethylene carbonate (FEC)-based electrolyte was more stable and compact than that formed from ethylene carbonate (EC)-based electrolyte. In addition, presence of surface cracks on the electrodes indicated poor formation of an intact SEI layer. This observation was more apparent in the EC-based electrolyte. Lack of anintact SEI layer resulted in decomposition of electrolytes which were reflected by presence of large air bubbles and dendrites on the electrode during CV. Although FEC-based electrolyte improved the performance of Fe3O4 anodes in lithiumion batteries, its protective effects were far from perfect. To accelerate the application of Fe3O4 or other metal oxide anodes in lithiumion batteries, better electrolytes and sophisticated carbon coating techniques are needed. (C) 2017 Elsevier B.V. All rights reserved.
公开日期	2017-12-25
内容类型	期刊论文
源URL	[http://ir.nimte.ac.cn/handle/174433/13461]
专题	2017专题
推荐引用方式 GB/T 7714	Wang, Deyu,Wang, Shuwei,Zhang, Weicong,et al. Operando study of Fe3O4 anodes by electrochemical atomic force microscopy[J]. APPLIED SURFACE SCIENCE,2017,426:217-223.
APA	Wang, Deyu.,Wang, Shuwei.,Zhang, Weicong.,Chen, Yuanning.,Dai, Zhengwu.,...&Shen, Cai.(2017).Operando study of Fe3O4 anodes by electrochemical atomic force microscopy.APPLIED SURFACE SCIENCE,426,217-223.
MLA	Wang, Deyu,et al."Operando study of Fe3O4 anodes by electrochemical atomic force microscopy".APPLIED SURFACE SCIENCE 426(2017):217-223.

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