期刊
RSC ADVANCES
卷 6, 期 49, 页码 43185-43190出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra05303c
关键词
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资金
- Thousands Talents Program
- National Science Foundation of China [51172275, 51372271]
- National Key Basic Research Program of China [2012CB215402]
- National Natural Science Foundation of China [51272050, 51572051]
The electroreduction of water for sustainable hydrogen production is an important process for clean energy technologies, such as water splitting and fuel cells. However, development of low-cost and efficient electrocatalysts for hydrogen evolution reaction (HER) is still a great challenge. Here we reported a kind of ultrathin chain-structured CuCo2O4 (CCO) and sulfured CuCo2O4 (S-CCO) for HER with excellent activity and good durability in alkaline solution. At a current density of 10 mA cm(-2), S-CCO nanocomposite catalyst only need an overpotential of 154 mV (vs. RHE), whereas chain-structured CCO need an overpotential of 490 mV. It demonstrates that sulfured treatment is an effective approach to enhance the catalytic activity of oxide for HER.
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