WxCoyS core-shell grown on hollow-porous carbon fiber (HCF) as synergetic electrocatalysts for efficient water splitting

WxCoyS core-shell grown on hollow-porous carbon fiber (HCF) as synergetic electrocatalysts for efficient water splitting
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在中空多孔碳纤维(HCF)上生长的 WxCoyS 核壳作为高效水分解的协同电催化剂

DOI:
10.1016/j.electacta.2019.03.091
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发表时间:
2019-05
影响因子:
6.6
通讯作者:
Zhang Yan
Zhang Yan
中科院分区:
材料科学2区
文献类型:
--
作者:
Wang Fei fei;Xu Lan;Wang Ping;Zhang Yan

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Developing highly-efficiency, cost-effective, high-throughput and durable bifunctional electrocatalysts for both the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER) is of paramount important for water splitting. Herein, we report an economical method for the synthesis of WS2/Co9S8core-shell nanoparticles arrayed on hollow-porous carbon fiber (WxCoyS@HCF) via simple electrospinning method and followed by calcination. The WxCoyS@HCF catalysts exhibited pronounced electrocatalytic activity and remarkable stability in electrolyte solution. The excellent electrocatalytic activities can be attributed to the best synergetic effect of appropriate molar ratio of WS2and Co9S8as well as the hollow-porous structure can provide more potential implantation sites.
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