期刊
IONICS
卷 26, 期 9, 页码 4609-4619出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11581-020-03617-2
关键词
N; P; and F tri-doped mesoporous carbon; Metal-free electrocatalyst; Oxygen reduction reaction; Ionic liquid
资金
- National Natural Science Foundation of China [21801147]
- Natural Science Foundation of Heilongjiang Province of China [B2015015]
- Postdoctoral Scientific Research Developmental Fund of Heilongjiang Province of China [LBH-Q14158]
- Scientific Research Foundation of Heilongjiang Education Department [135309354]
Recently, heteroatom-doped carbon has been widely used in various fields because of their inexpensive and abundant resources, especially in oxygen reduction reaction. Here, the 1-butyl-3-methlyimidazolium hexafluorophosphate (BmimPF(6)) is explored as the precursor to offer phosphorus and fluorine, and melamine as a supporter to provide nitrogen. The N, P, F-tridoped mesoporous carbons are obtained by pyrolyzing the homogeneous mixture of melamine and BmimPF(6), without any post-processing. This composition of the carbon can be used as a potential metal-free electrocatalyst for oxygen reduction reaction (ORR). Notably, the optimized N, P, and F tri-doped mesoporous carbon obtained at 900 degrees C, exhibits good electrocatalytic performance for ORR, with high electron-transfer number, great methanol crossover tolerance, and outstanding durability. This work may provide a new case to synthesis heteroatom-tridoped carbon for energy conversion and storage.
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