ZnCo2S4 nanosheet array anchored on nickel foam as electrocatalyst for electrochemical water splitting
ZnCo2S4 nanosheet array anchored on nickel foam as electrocatalyst for electrochemical water splitting
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锚定在泡沫镍上的 ZnCo2S4 纳米片阵列作为电化学水分解的电催化剂
DOI:
10.1016/j.elecom.2019.106487
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发表时间:
2019-08
影响因子:
5.4
通讯作者:
Zhang Lixue
中科院分区:
文献类型:
--
作者:
Song Guotao;Wang Zhichao;Sun Junwei;Sun Jiankun;Yuan Ding;Zhang Lixue
Exploring transition metal-based, highly efficient and bifunctional catalysts for electrochemical water splitting remains a challenging task. Herein, ZnCo2S4nanosheet array supported on nickel foam (ZnCo2S4/NF) is fabricated and demonstrated to be efficacious electrocatalyst for both oxygen evolution and hydrogen evolution reactions. The resulting catalyst affords overpotentials of only 278 mV to achieve 10 mA cm−2towards oxygen evolution and 185 mV to reach 10 mA cm−2towards hydrogen evolution with superior stability in alkaline solution. The assembled two-electrode water electrolyzer using ZnCo2S4/NF can reach a current density of 10 mA cm−2by 1.66 V cell voltage.
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