期刊
CHEMSUSCHEM
卷 8, 期 4, 页码 623-627出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201403000
关键词
carbon; doping; electrochemistry; fuel cells; reduction
资金
- National Key Basic Research Program of China [2013CB933200]
- National Natural Science Foundation of China [21177137, 51202278, 51202288]
- Natural Science Foundation of Shanghai [12ZR1435200]
Hollow-structured mesoporous carbon cubes (HMCCs) have been successfully synthesized from carbon dioxide by a facile approach based on thermal reduction of magnesium. The approach is economical and applicable to large-scale synthesis. Notably, pyrrole-type nitrogen species are doped into the HMCCs during the synthesis insitu, that is, without introducing a nitrogen-containing precursor. A formation mechanism of the HMCCs is proposed, and formation of the structure is attributed to MgO templates generated insitu. Furthermore, the HMCCs are demonstrated to be a promising alternative to commercial Pt/C fuel-cell catalysts for the electrochemical oxygen reduction reaction.
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