| A feasible strategy to enhance mass transfer property of carbon nanofibers electrode in vanadium redox flow battery | |
| Jing, Minghua1; Qi, Xiaochen1; An, Xinyu1; Ma, Xiaoxue1; Fang, Dawei1; Fan, Xinzhuang2; Liu, Jianguo2; Yan, Chuanwei2 | |
| Corresponding Author | Fang, Dawei(dwfang@lnu.edu.cn) |
| 2021-09-10 | |
| Source Publication | ELECTROCHIMICA ACTA
 |
| ISSN | 0013-4686 |
| Volume | 390Pages:10 |
| Abstract | Carbon nanofibers (ECNFs) electrode possess good electrochemcial reactivity towards the V3+/V2+ and VO2+/VO2+ redox couples in vanadium redox flow battery (VRFB), while its inferior mass transfer property limits the cell power density seriously due to the lower porosity and poorer permeability. In order to improve the mass transfer property, starch based carbon microsphere (SCMS) of a few micrometers is synthesized by a green hydrothermal method and introduced into the electrospun precursor solution. Subsequently, a novel spherical-filament binary carbon nanofibers electrode (ECNFs-SCMS) is constructed by the controllable electrospining technique along with the subsequent heat treatment processes. The novel binary carbon nanofibers exhibits more loose structure, improved hydrophilia, increased oxygen contents and more defects, which result in the simultaneous improvement of electrochemical reaction area, electrocatalytic activity and mass transfer kinetics. The single VRFB cell with ECNFs-SCMS as electrodes shows higher energy efficiency and maximun power density as compared to the one with pure ECNFs electrodes. The results in this work suggest that improving permeability is a feasible strategy to enhance the mass transfer property of carbon nanofibers electrode. (C) 2021 Elsevier Ltd. All rights reserved. |
| Keyword | Vanadium redox flow battery Carbon nanofibers Porous electrode Mass transfer Electrochemical activity |
| Funding Organization | Department of Education of Liaoning Province (CN) ; Department of Science and Technology of Liaoning Province (CN) ; National Natural Science Foundation of China ; Youth Research Fund of Liaoning University ; Liaoning Revitalization Talents Program ; Key Technologies R&D Program of Liaoning Provincial Department of Education ; Program for Liaoning Innovative Research Team in University ; Project of the Central Government in Guidance of Local Science and Technology Development |
| DOI | 10.1016/j.electacta.2021.138879 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | Department of Education of Liaoning Province (CN)[LQN201911] ; Department of Education of Liaoning Province (CN)[LJC201915] ; Department of Education of Liaoning Province (CN)[LZD201906] ; Department of Science and Technology of Liaoning Province (CN)[2020-BS-079] ; National Natural Science Foundation of China[21803028] ; Youth Research Fund of Liaoning University[LDQN2019019] ; Liaoning Revitalization Talents Program[XLYC1807197] ; Key Technologies R&D Program of Liaoning Provincial Department of Education ; Program for Liaoning Innovative Research Team in University[LT2019006] ; Project of the Central Government in Guidance of Local Science and Technology Development |
| WOS Research Area | Electrochemistry |
| WOS Subject | Electrochemistry |
| WOS ID | WOS:000683575600012 |
| Publisher | PERGAMON-ELSEVIER SCIENCE LTD |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/159307 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Fang, Dawei |
| Affiliation | 1.Liaoning Univ, Coll Chem, Inst Rare & Scattered Elements, Shenyang 110036, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Liaoning Engn Res Ctr Adv Battery Mat, Shenyang 110016, Peoples R China |
| Recommended Citation GB/T 7714 | Jing, Minghua,Qi, Xiaochen,An, Xinyu,et al. A feasible strategy to enhance mass transfer property of carbon nanofibers electrode in vanadium redox flow battery[J]. ELECTROCHIMICA ACTA,2021,390:10. |
| APA | Jing, Minghua.,Qi, Xiaochen.,An, Xinyu.,Ma, Xiaoxue.,Fang, Dawei.,...&Yan, Chuanwei.(2021).A feasible strategy to enhance mass transfer property of carbon nanofibers electrode in vanadium redox flow battery.ELECTROCHIMICA ACTA,390,10. |
| MLA | Jing, Minghua,et al."A feasible strategy to enhance mass transfer property of carbon nanofibers electrode in vanadium redox flow battery".ELECTROCHIMICA ACTA 390(2021):10. |
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