Graphene-Nanowall-Decorated Carbon Felt with Excellent Electrochemical Activity Toward VO2+/VO2+ Couple for All Vanadium Redox Flow Battery | |
Li, Wenyue; Zhang, Zhenyu; Tang, Yongbing; Bian, Haidong; Ng, Tsz-Wai; Zhang, Wenjun; Lee, Chun-Sing | |
刊名 | ADVANCED SCIENCE
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2016 | |
英文摘要 | 3D graphene-nanowall-decorated carbon felts (CF) are synthesized via an in situ microwave plasma enhanced chemical vapor deposition method and used as positive electrode for vanadium redox flow battery(VRFB). The carbon fibers in CF are successfully wrapped by vertically grown graphene nanowalls, which not only increase the electrode specific area, but also expose a high density of sharp graphene edges withgood catalytic activities to the vanadium ions. As a result, the VRFB with this novel electrode shows three times higher reaction rate toward VO2+/VO2+ redox couple and 11% increased energy efficiency over VRFB with an unmodified CF electrode. Moreover, this designed architecture shows excellent stability in thebattery operation. After 100 charging-discharging cycles, the electrode not only shows no observable morphology change, it can also be reused in another battery and practical with the same performance. It is believed that this novel structure including the synthesis procedure will provide a new developing direction forthe VRFB electrode. |
收录类别 | SCI |
原文出处 | http://onlinelibrary.wiley.com/doi/10.1002/advs.201500276/abstract |
语种 | 英语 |
内容类型 | 期刊论文 |
源URL | [http://ir.siat.ac.cn:8080/handle/172644/9921] ![]() |
专题 | 深圳先进技术研究院_集成所 |
作者单位 | ADVANCED SCIENCE |
推荐引用方式 GB/T 7714 | Li, Wenyue,Zhang, Zhenyu,Tang, Yongbing,et al. Graphene-Nanowall-Decorated Carbon Felt with Excellent Electrochemical Activity Toward VO2+/VO2+ Couple for All Vanadium Redox Flow Battery[J]. ADVANCED SCIENCE,2016. |
APA | Li, Wenyue.,Zhang, Zhenyu.,Tang, Yongbing.,Bian, Haidong.,Ng, Tsz-Wai.,...&Lee, Chun-Sing.(2016).Graphene-Nanowall-Decorated Carbon Felt with Excellent Electrochemical Activity Toward VO2+/VO2+ Couple for All Vanadium Redox Flow Battery.ADVANCED SCIENCE. |
MLA | Li, Wenyue,et al."Graphene-Nanowall-Decorated Carbon Felt with Excellent Electrochemical Activity Toward VO2+/VO2+ Couple for All Vanadium Redox Flow Battery".ADVANCED SCIENCE (2016). |
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