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Anchoring effect of the partially reduced graphene oxide doped electrospun carbon nanofibers on their electrochemical performances in vanadium flow battery
Jing, Minghua; Xu, Zeyu; Fang, Dawei; Fan, Xinzhuang; Liu, Jianguo; Yan, Chuanwei
2019-06-15
Source PublicationJOURNAL OF POWER SOURCES
ISSN0378-7753
Volume425Pages:94-102
AbstractIn order to improve the wettability and electrochemical activity of electrospun carbon nanofibers, the partially reduced graphene oxide doped electrospun carbon nanofibers have been successfully prepared by introducing graphene oxide into the electrospinning solution with a simple electrospinning and subsequent carbonization process. It is found that some of the partially reduced graphene oxide nanosheets with plenty of wrinkles are embedded between the nanofibers, which directly enhances the physical surface area. Despite the introduced graphene oxide is partially reduced during the carbonization process, the corresponding oxygen content is greatly increased, which results in the improved wettability and further a significant enhancement in the electrochemical surface area. It is worth noting that the electrocatalytic activity is almost unchanged, indicating the improved electrochemical response is attributed to the enhanced electrochemical surface area. Moreover, vanadium flow battery with such composites presents a remarkable improvement in the electrochemical performances such as energy efficiency and discharge capacity, further suggesting that such composites are promising high-efficient electrode materials for vanadium flow battery. Therefore, it is believed that the construction of carbon-based electrode with high electrochemical surface area through the anchoring effect of hydrophilic materials is an effective approach to obtain high-efficient electrode materials for vanadium flow battery.
KeywordAnchoring effect Partially reduced graphene oxide Wettability Electrochemical surface area Electrochemical performance Vanadium flow battery
Indexed BySCI
Language英语
WOS IDWOS:000468717900012
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80996
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Jing, Minghua,Xu, Zeyu,Fang, Dawei,et al. Anchoring effect of the partially reduced graphene oxide doped electrospun carbon nanofibers on their electrochemical performances in vanadium flow battery[J]. JOURNAL OF POWER SOURCES,2019,425:94-102.
APA Jing, Minghua,Xu, Zeyu,Fang, Dawei,Fan, Xinzhuang,Liu, Jianguo,&Yan, Chuanwei.(2019).Anchoring effect of the partially reduced graphene oxide doped electrospun carbon nanofibers on their electrochemical performances in vanadium flow battery.JOURNAL OF POWER SOURCES,425,94-102.
MLA Jing, Minghua,et al."Anchoring effect of the partially reduced graphene oxide doped electrospun carbon nanofibers on their electrochemical performances in vanadium flow battery".JOURNAL OF POWER SOURCES 425(2019):94-102.
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