期刊
JOURNAL OF MATERIALS CHEMISTRY A
卷 8, 期 13, 页码 6190-6195出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ta11715f
关键词
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资金
- National Key R&D Program of China [2016YFB0600902]
- National Natural Science Foundation of China [21576032, 21822803]
- Projects of International Cooperation and Exchanges NSFC [21761162015]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB17000000]
- Dalian National Laboratory for Clean Energy [DNL180401]
- Singapore Ministry of Education [RG10/16, RG111/15, MOE2016-T2-2-004]
Single atom catalysts (SACs) with atomically dispersed catalytic sites have shown great promise for energy related chemical reactions. In this work, a facile and general approach to synthesize a large variety of transition metal (Fe, Ni, Co, Cu, etc.) SACs with a large surface area and a hierarchical structure using layered montmorillonite (MMT) as the structural template was developed. Specifically, the as-synthesized nickel SAC (Ni-SAC) exhibits outstanding performance toward electrochemical CO2 reduction, achieving CO2-to-CO conversion with more than 90% faradaic efficiency in the potential range from -0.6 to -1.1 V vs. RHE, and the iron SAC (Fe-SAC) displays excellent ORR activity, with the half-wave potential surpassing that of the state-of-the-art Pt/C catalyst.
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