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- W3138140996 abstract "Fabricating self-supporting electrocatalysts with double functions for overall water splitting is a promising strategy for clean energy generation. Herein, spinel-based CuCo2S4 nanoflakes were grown vertically on carbon cloth (CC) substrate to obtain hierarchical self-supporting CuCo2S4/CC electrocatalysts through a hydrothermal process. The influence of hydrothermal time on the surface morphology and electrocatalytic properties of the CuCo2S4/CC was investigated. The rational synthetic approach can significantly reduce the diffusion path and promote the transfer of charge. As a result, the optimized CuCo2S4/CC exhibits a significantly higher electrocatalytic activity than the control single metal sulfide catalysts (CoS1.097/CC and CuS/CC) in 1.0 M KOH solution, and relatively overpotentials of 204 and 280 mV are demanded to generate a current density of 10 mA cm−2 for hydrogen evolution reaction and oxygen evolution reaction, respectively. The significantly enhanced electrocatalytic activity benefits from the synergetic effect of the fast charge transport and abundant catalytic active sites. Moreover, in an overall water splitting system, a two-electrode setup constructed using CuCo2S4/CC as both cathode and anode shows a low voltage of 1.58 V at 10 mA cm−2 and high durability. This study provides a rational strategy for improving the overall water splitting performance by constructing self-supporting spinel-based catalysts." @default.
- W3138140996 created "2021-03-29" @default.
- W3138140996 creator A5007435732 @default.
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- W3138140996 creator A5080959560 @default.
- W3138140996 date "2021-03-12" @default.
- W3138140996 modified "2023-10-16" @default.
- W3138140996 title "Hierarchical CuCo <sub>2</sub> S <sub>4</sub> Nanoflake Arrays Grown on Carbon Cloth: A Remarkable Bifunctional Electrocatalyst for Overall Water Splitting" @default.
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- W3138140996 doi "https://doi.org/10.1002/celc.202100247" @default.
- W3138140996 hasPublicationYear "2021" @default.