FeS与Co3S4的异界面耦合对水/海水裂解电催化活性的增强

Q3 Energy

燃料化学学报 Pub Date : 2024-12-01 DOI:10.1016/S1872-5813(24)60490-1

Zhan ZHAO , Jiao LI , Kelei HUANG , Xiangchao MENG

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引用次数: 0

摘要

由过渡金属硫化物组成的异质结催化剂在电催化水裂解中表现出优异的潜力。在此，我们设计了一种FeS/Co3S4异质结催化剂，用于碱性水/海水溶液中的析氢反应（HER）和析氧反应（OER）。在泡沫镍上生长了三维纳米阵列，异质结的成功合成使催化剂具有优异的活性。在碱性水/海水溶液中，HER的低过电位（电流密度为10 mA/cm2时）分别为120.3和135.6 mV， OER的低过电位分别为212和232 mV。本研究为通过制备异质结实现水的高效电催化分离提供了有效的方法。

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Hetero-interfaces coupling between FeS and Co3S4 with enhanced electrocatalytic activity in water/seawater splitting

Heterojunction catalysts composed of transition metal sulfides exhibited excellent potentials in electrocatalytic water splitting. Herein, we have designed a FeS/Co₃S₄ heterojunction catalyst for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) in alkaline water/seawater solution. Three-dimensional nanoarrays were grown on nickel foam, and the successful synthesis of heterojunction endowed excellent activity to the catalyst. In alkaline water/seawater solution, the low overpotentials (at current density of 10 mA/cm²) of HER were 120.3 and 135.6 mV and the low overpotentials of OER were 212 and 232 mV, respectively. This work provided an effective method for highly-efficiently electrocatalytic splitting of water via fabrication of heterojunction.

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来源期刊

燃料化学学报 Chemical Engineering-Chemical Engineering (all)

CiteScore

2.80

自引率

0.00%

发文量

5825

期刊介绍： Journal of Fuel Chemistry and Technology (Ranliao Huaxue Xuebao) is a Chinese Academy of Sciences(CAS) journal started in 1956, sponsored by the Chinese Chemical Society and the Institute of Coal Chemistry, Chinese Academy of Sciences(CAS). The journal is published bimonthly by Science Press in China and widely distributed in about 20 countries. Journal of Fuel Chemistry and Technology publishes reports of both basic and applied research in the chemistry and chemical engineering of many energy sources, including that involved in the nature, processing and utilization of coal, petroleum, oil shale, natural gas, biomass and synfuels, as well as related subjects of increasing interest such as C1 chemistry, pollutions control and new catalytic materials. Types of publications include original research articles, short communications, research notes and reviews. Both domestic and international contributors are welcome. Manuscripts written in Chinese or English will be accepted. Additional English titles, abstracts and key words should be included in Chinese manuscripts. All manuscripts are subject to critical review by the editorial committee, which is composed of about 10 foreign and 50 Chinese experts in fuel science. Journal of Fuel Chemistry and Technology has been a source of primary research work in fuel chemistry as a Chinese core scientific periodical.