期刊
MATERIALS RESEARCH BULLETIN
卷 96, 期 -, 页码 485-490出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2017.03.070
关键词
A. Layered compounds; B. Intercalation reactions; A. Iron oxychloride; Chloride ion batteries; D. Electrochemical properties
资金
- National Natural Science Foundation of China [U1407106, 51674147]
- Natural Science Foundation of the Jiangsu Higher Education Institutions [16KJA430001]
- Natural Science Foundation of Jiangsu Province [BK20161544]
- Priority Academic Program Development of Jiangsu Higher Education Institutions [PAPD]
Layered metal oxychloride FeOCl is considered as one of the promising cathode materials for chloride ion batteries due to its abundant elemental components and high capacity. Herein, we report the intercalation and electrochemical behaviors of the layered FeOCl material in the chloride ion battery. The intercalation of N-methyl-2-pyrrolidinone into the FeOCl layers has been found during the drying of the electrode coating at 373 K. The electrolyte component can also be intercalated into the FeOCl layers at 298 K without charge and discharge. The intercalation by these organic components results in evident expansion of the layers. Repeated charge and discharge cycling contributes to an activation of the FeOCl electrode and thus an increase of the discharge capacity. The results of elemental analysis and Fourier transform infrared spectroscopy confirm the chloride ion transfer of the FeOCl electrode during cycling. (C) 2017 Elsevier Ltd. All rights reserved.
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