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Unveiling the Role of Heteroatom Gradient-Distributed Carbon Fibers for Vanadium Redox Flow Batteries with Long Service Life

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成果类型:
期刊论文
作者:
Wu, Xiong-Wei;Deng, Qi*;Peng, Chang;Zeng, Xian-Xiang;Wu, An-Jun;...
通讯作者:
Deng, Qi;Lu, Xiang-Yang;Guo, Yu-Guo
作者机构:
[Wu, An-Jun; Ma, Qiang; Wu, Xiong-Wei; Peng, Chang; Deng, Q; Lu, Xiang-Yang; Deng, Qi; Zeng, Xian-Xiang; Zhou, Chun-Jiao] Hunan Agr Univ, Coll Sci, Coll Biosci & Biotechnol, Changsha 410128, Hunan, Peoples R China.
[Yin, Ya-Xia; Guo, Yu-Guo] Chinese Acad Sci, Inst Chem, CAS Key Lab Mol Nanostruct & Nanotechnol, CAS Res Educ Ctr Excellence Mol Sci,BNLMS, Beijing 100190, Peoples R China.
[Yin, Ya-Xia; Guo, Yu-Guo] Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
通讯机构:
[Deng, Q; Lu, XY] H
[Guo, Yu-Guo] C
[Guo, Yu-Guo] U
Hunan Agr Univ, Coll Sci, Coll Biosci & Biotechnol, Changsha 410128, Hunan, Peoples R China.
Chinese Acad Sci, Inst Chem, CAS Key Lab Mol Nanostruct & Nanotechnol, CAS Res Educ Ctr Excellence Mol Sci,BNLMS, Beijing 100190, Peoples R China.
语种:
英文
关键词:
vanadium redox flow batteries;electrocatalysis;carbon fibers;heteroatoms gradient distribution;long service life
期刊:
ACS Applied Materials & Interfaces
ISSN:
1944-8244
年:
2019
卷:
11
期:
12
页码:
11451-11458
基金类别:
This work was financially supported by the Basic Science Center Project of Natural Science Foundation of China (Grant no. 51788104), the National Key R&D Program of China (Grant no. 2016YFA0202500), the “Transformational Technologies for Clean Energy and Demonstration”, Strategic Priority Research Program of the Chinese Academy of Sciences (Grant no. XDA21070300), the Double First-Class Construction Project of Hunan Agricultural University (Grant no. SYL201802002, SYL201802008), and the Scientific Research Fund of Hunan Provincial Education Department (Grant no. 15 K058).
机构署名:
本校为第一且通讯机构
院系归属:
理学院
生物科学技术学院
摘要:
The fundamental understanding of electrocatalytic reaction process is anticipated to guide electrode upgradation and acquirement of high-performance vanadium redox flow batteries (VRFBs). Herein, a carbon fiber prototype system with a heteroatom gradient distribution has been developed with enlarged interlayer spacing and a high graphitization that improve the electronic conductivity and accelerate the electrocatalytic reaction, and the mechanism by which gradient-distributed heteroatoms enhance vanadium redox reactions was elucidated with the assistance of density functional theory calculatio...

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