期刊
CERAMICS INTERNATIONAL
卷 48, 期 14, 页码 20599-20604出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2022.04.027
关键词
MXene; Surface decoration; Self-assembly; Electrocatalytic nitrogen reduction; Ammonia synthesis
资金
- National Natural Science Foundation of China [21902021, 21908017, 51972293, 51772039]
- Fundamental Research Funds for the Central Universities [82233001, DUT20RC(4) 020, DUT20RC(4)018]
- Open Foundation of Key Laboratory of Industrial Ecology and Environmental Engineering, MOE [KLIEEE-2001, KLIEEE-21-02]
- Supercomputing Center of Dalian University of Technology
The research team synthesized an economical, efficient, and stable Ni-decorated Nb2C (Ni@Nb2C) MXene-based catalyst for electrochemical nitrogen reduction reaction (NRR), which showed excellent performance and potential applications in a wide range of environment- and energy-related fields like ammonia synthesis.
Electrochemical nitrogen reduction reaction (NRR) is widely regarded as a green and environmentally sustainable strategy with the promise for industrial-scale ammonia synthesis under ambient conditions. To promote its industrialization, we synthesized an economical, efficient and stable Ni-decorated Nb2C (Ni@Nb2C) MXene-based catalyst. The Ni@Nb2C MXene displays excellent electrocatalytic NRR performance with NH3 yield of 26.16 mu g cm(-2) h(-1) and Faradaic efficiency of 7.3%. Remarkably, the general methodology reported here paves the way to effectively synthesize various other metals-decorated MXenes, which not only enrich the MXene-based catalysts but also significantly promote their practical utilization in a wide range of environment- and energy-related fields. It is of great significance for the harmonious development of humans and nature.
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