Facile synthesis of manganese-oxide-containing mesoporous nitrogen-doped carbon for efficient oxygen reduction

CORC > 厦门大学 > 化学化工－已发表论文

	Facile synthesis of manganese-oxide-containing mesoporous nitrogen-doped carbon for efficient oxygen reduction
	Tan, Yueming ; Xu, Chaofa ; Chen, Guangxu ; Fang, Xiaoliang ; Zheng, Nanfeng ; Xie, Qingji ; Tan YM(谭月明) ; Zheng NF(郑南峰)
刊名	http://dx.doi.org/10.1002/adfm.201201244
	2012-11-07
关键词	Carbon Catalysts Design Doping (additives) Electrolytic reduction Energy conversion Hydrothermal synthesis Manganese Mesoporous materials Methanol Methanol fuels Nanocomposites Polyaniline Precious metals
英文摘要	Developing low-cost non-precious metal catalysts for high-performance oxygen reduction reaction (ORR) is highly desirable. Here a facile, in situ template synthesis of a MnO-containing mesoporous nitrogen-doped carbon (m-N-C) nanocomposite and its high electrocatalytic activity for a four-electron ORR in alkaline solution are reported. The synthesis of the MnO-m-N-C nanocomposite involves one-pot hydrothermal synthesis of Mn3O 4@polyaniline core/shell nanoparticles from a mixture containing aniline, Mn(NO3)2, and KMnO4, followed by heat treatment to produce N-doped ultrathin graphitic carbon coated MnO hybrids and partial acid leaching of MnO. The as-prepared MnO-m-N-C composite catalyst exhibits high electrocatalytic activity and dominant four-electron oxygen reduction pathway in 0.1 M KOH aqueous solution due to the synergetic effect between MnO and m-N-C. The pristine MnO shows little electrocatalytic activity and m-N-C alone exhibits a dominant two-electron process for ORR. The MnO-m-N-C composite catalyst also exhibits superior stability and methanol tolerance to a commercial Pt/C catalyst, making the composite a promising cathode catalyst for alkaline methanol fuel cell applications. The synergetic effect between MnO and N-doped carbon described provides a new route to design advanced catalysts for energy conversion. Copyright 漏 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
语种	英语
出版者	Wiley-VCH Verlag
内容类型	期刊论文
源URL	[http://dspace.xmu.edu.cn/handle/2288/89604]
专题	化学化工－已发表论文
推荐引用方式 GB/T 7714	Tan, Yueming,Xu, Chaofa,Chen, Guangxu,et al. Facile synthesis of manganese-oxide-containing mesoporous nitrogen-doped carbon for efficient oxygen reduction[J]. http://dx.doi.org/10.1002/adfm.201201244,2012.
APA	Tan, Yueming.,Xu, Chaofa.,Chen, Guangxu.,Fang, Xiaoliang.,Zheng, Nanfeng.,...&郑南峰.(2012).Facile synthesis of manganese-oxide-containing mesoporous nitrogen-doped carbon for efficient oxygen reduction.http://dx.doi.org/10.1002/adfm.201201244.
MLA	Tan, Yueming,et al."Facile synthesis of manganese-oxide-containing mesoporous nitrogen-doped carbon for efficient oxygen reduction".http://dx.doi.org/10.1002/adfm.201201244 (2012).