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学科主题物理化学
Mesoporous TiN as a Noncarbon Support of Ag-Rich PtAg Nanoalloy Catalysts for Oxygen Reduction Reaction in Alkaline Media
Cui, Zhiming1; Yang, Minghui1,2; Chen, Hao1; Zhao, Mengtian1; DiSalvo, Francis J.1; F.J.DiSalvo
关键词Alloy Fuel Cell Noncarbon Support Oxygen Reduction Reaction Titanium Nitride
刊名CHEMSUSCHEM
2014-12-01
DOI10.1002/cssc.201402726
7期:12页:3356-3361
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]TITANIUM NITRIDE ; ELECTROCATALYSTS ; NANOPARTICLES ; ELECTRODES ; PLATINUM ; CELL ; DEGRADATION ; PERFORMANCE ; CATHODES ; OXIDES
英文摘要There has been growing interest in noncarbon supports for fuel cell reactions, especially for the oxygen reduction reaction (ORR) in alkaline media. Herein, we report a robust mesoporous titanium nitride (TiN) which is not only kinetically stable in alkaline media, but also electrochemically stable in the potential range of fuel cell operation. This binary nitride exhibits an order of magnitude higher electronic conductivity than carbon black. Bimetallic Ag-rich PtAg nanoalloy is selected as the catalyst for the ORR in alkaline media due to their superior activity and relatively low cost. TiN-supported Pt1Ag9 nanoalloy catalysts are synthesized by a new and efficient approach with KEt3BH as reducing agent and THF as solvent. Pt1Ag9/TiN exhibits much higher mass activity and durability for the ORR in alkaline media than Pt1Ag9/C, Pt/C and Ag/C catalysts, suggesting that mesoporous TiN is a very promising support in alkaline media.
语种英语
WOS记录号WOS:000345976200024
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/144006
专题中国科学院大连化学物理研究所
通讯作者F.J.DiSalvo
作者单位1.Cornell Univ, Dept Chem & Chem Biol, Ithaca, NY 14853 USA
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Cui, Zhiming,Yang, Minghui,Chen, Hao,et al. Mesoporous TiN as a Noncarbon Support of Ag-Rich PtAg Nanoalloy Catalysts for Oxygen Reduction Reaction in Alkaline Media[J]. CHEMSUSCHEM,2014,7(12):3356-3361.
APA Cui, Zhiming,Yang, Minghui,Chen, Hao,Zhao, Mengtian,DiSalvo, Francis J.,&F.J.DiSalvo.(2014).Mesoporous TiN as a Noncarbon Support of Ag-Rich PtAg Nanoalloy Catalysts for Oxygen Reduction Reaction in Alkaline Media.CHEMSUSCHEM,7(12),3356-3361.
MLA Cui, Zhiming,et al."Mesoporous TiN as a Noncarbon Support of Ag-Rich PtAg Nanoalloy Catalysts for Oxygen Reduction Reaction in Alkaline Media".CHEMSUSCHEM 7.12(2014):3356-3361.
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