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Excellent stability and electrochemical performance of the electrolyte with indium ion for iron-chromium flow battery
Wang, Shaoliang1,2; Xu, Zeyu1,2; Wu, Xiaoliang1; Zhao, Huan1; Zhao, Jinling1; Liu, Jianguo1,2; Yan, Chuanwei1,2; Fan, Xinzhuang1
Corresponding AuthorLiu, Jianguo(jgliu@imr.ac.cn) ; Fan, Xinzhuang(mexzfan@gmail.com)
2021-02-01
Source PublicationELECTROCHIMICA ACTA
ISSN0013-4686
Volume368Pages:9
AbstractIron-chromium flow battery (ICFB) is one of the most promising technologies for energy storage systems, while the parasitic hydrogen evolution reaction (HER) during the negative process remains a critical issue for the long-term operation. To solve this issue, In3+ is firstly used as the additive to improve the stability and performance of ICFB. The results suggest that In3+ not only effectively inhibits the HER but also accelerates the kinetics of Cr3+/Cr2+ and Fe3+/Fe2+ to some extent. More importantly, the ICFB using an optimal concentration of 0.01 M In3+ in the anolyte exhibits an energy efficiency of 77.0% at 200 mA cm(-2), and a 36.3% higher capacity retention ratio than that of the pristine anolyte after 140 cycles at 160 mA cm(-2). Furthermore, the capacity decay rate is low to 0.16% per cycle during the cycle test, which is much lower than that in the previous studies. Both the enhanced stability and electrochemical performance are attributed to the coupling effect of the inhibited HER and promoted kinetics of Cr3+/Cr2+ after In3+ is introduced. Therefore, In3+ as an anolyte additive can be a promising and cost-effective method to further improve the battery performance of ICFB and promote its engineering application. (C) 2020 Elsevier Ltd. All rights reserved.
KeywordIron-chromium flow battery Hydrogen evolution reaction Indium ions Stability Battery performance
Funding OrganizationNational Nature Science Foundation of China ; Shenyang key R&D and technology transfer program ; Open project of State Key Laboratory of Heavy Oil Processing in China University of Petroleum
DOI10.1016/j.electacta.2020.137524
Indexed BySCI
Language英语
Funding ProjectNational Nature Science Foundation of China[21975267] ; National Nature Science Foundation of China[21703263] ; Shenyang key R&D and technology transfer program[Z17-7-026] ; Open project of State Key Laboratory of Heavy Oil Processing in China University of Petroleum[Y7F1911191]
WOS Research AreaElectrochemistry
WOS SubjectElectrochemistry
WOS IDWOS:000609080200012
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159103
Collection中国科学院金属研究所
Corresponding AuthorLiu, Jianguo; Fan, Xinzhuang
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Wang, Shaoliang,Xu, Zeyu,Wu, Xiaoliang,et al. Excellent stability and electrochemical performance of the electrolyte with indium ion for iron-chromium flow battery[J]. ELECTROCHIMICA ACTA,2021,368:9.
APA Wang, Shaoliang.,Xu, Zeyu.,Wu, Xiaoliang.,Zhao, Huan.,Zhao, Jinling.,...&Fan, Xinzhuang.(2021).Excellent stability and electrochemical performance of the electrolyte with indium ion for iron-chromium flow battery.ELECTROCHIMICA ACTA,368,9.
MLA Wang, Shaoliang,et al."Excellent stability and electrochemical performance of the electrolyte with indium ion for iron-chromium flow battery".ELECTROCHIMICA ACTA 368(2021):9.
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