Unlocking the solubility limit of ferrocyanide for high energy density redox flow batteries

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成果类型：

期刊论文

作者：

Wang, Guixiang;Zou, Haitao;Xu, Zhizhao;Tang, Ao;Zhong, Fangfang;...

通讯作者：

Mei Ding<&wdkj&>Chuankun Jia

作者机构：

[Zou, Haitao; Zhong, Fangfang; Wang, Guixiang; Xu, Zhizhao; Jia, Chuankun; Zhu, Xiaobo; Ding, Mei] Changsha Univ Sci & Technol, Inst Energy Storage Technol, Changsha 410114, Peoples R China.

[Zou, Haitao; Zhong, Fangfang; Wang, Guixiang; Xu, Zhizhao; Jia, Chuankun; Zhu, Xiaobo; Ding, Mei] Changsha Univ Sci & Technol, Coll Mat Sci & Engn, Changsha 410114, Peoples R China.

[Tang, Ao] Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.

[Qin, Chengpeng] Xian Thermal Power Res Inst Co Ltd, Xian 710032, Peoples R China.

[You, Wei] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci BNLMS, CAS Key Lab Engn Plast, Beijing 100190, Peoples R China.

通讯机构：

[Mei Ding; Chuankun Jia] I

Institute of Energy Storage Technology, Changsha University of Science & Technology, Changsha 410114, China<&wdkj&>College of Materials Science and Engineering, Changsha University of Science & Technology, Changsha 410114, China

语种：

英文

关键词：

Energy storage;Flow battery;High concentration catholyte;Diverse ion effect;Zinc-iron flow battery

期刊：

Materials Today Energy

ISSN：

2468-6069

年：

2022

卷：

页码：

101061

DOI：

10.1016/j.mtener.2022.101061

基金类别：

CRediT authorship contribution statement Guixiang Wang: Investigation, Data curation, Formal analysis, Writing - Original draft. Haitao Zou: Investigation, Formal analysis, Validation. Zhizhao Xu: Investigation, Formal analysis, Validation. Ao Tang: Methodology, Software. Fangfang Zhong: Formal analysis. Xiaobo Zhu: Investigation, Validation. Chengpeng Qin: Formal analysis. Mei Ding: Conceptualization, Writing – review and editing, Supervision, acquisition. Wei You: Supervision, Writing – review and editing, Validation.

机构署名：

本校为第一机构

院系归属：

材料科学与工程学院

摘要：

A redox flow battery (RFB) system with improved energy density via unlocking the solubility limit of ferrocyanide in combination with low capital cost is demonstrated. Based on the diverse ion effect, the maximum ferrocyanide concentration increases from 0.76 M to 1.46 M at room temperature. By pairing with Zn(OH)(4)(2-)/Zn redox couple, the proposed alkaline zinc-iron RFB features excellent electrochemical performance, with slow capacity fade rate over 7600 cycles (0.00078% per cycle and 0.23% per day), high energy efficiency of 88.10% at 100 mA/cm(2), high energy density (73.64 Wh/L based on...

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Unlocking the solubility limit of ferrocyanide for high energy density redox flow batteries

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