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Highly Effective Dual Transition Metal Macrocycle Based Electrocatalyst with Macro-/Mesoporous Structures for Oxygen Reduction Reaction
Jin, Xinxin; Xie, Yan; Huang, Jiahui
关键词Metal Macrocycle Macro-/mesoporous Structure Oxygen Reduction Reaction Fuel Cell
刊名CATALYSTS
2017-07-01
DOI10.3390/catal7070201
7期:7
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]HIGH-PERFORMANCE ELECTROCATALYSTS ; FUEL-CELL CATHODE ; GRAPHITIC LAYERS ; CARBON ELECTROCATALYSTS ; EFFICIENT ; ALKALINE ; CATALYST ; COBALT ; IRON ; NANOPARTICLES
英文摘要Metal macrocycle based non-noble metal electrocatalysts (NNMEs) with highly efficient oxygen reduction reaction (ORR) activity, good stability, and excellent resistance to the methanol cross-over effect have been regarded as one of the most important alternatives for Pt or Pt based alloys, which are widely used in fuel cells. However, the expensive price of most metal macrocycles hinder further investigation of such a family of NNMEs in large production for practical applications. Here, we introduce a simple strategy to synthesize metal macrocycle based porous carbon (MMPC) material with low cost and easy production of metal macrocycles (hemin (Hm) and vitamin B-12 (VB12)) as raw materials by using a hard template of MgO. The pyrolysis of MMPC under the optimal temperature at 900 degrees C shows comparative ORR performance relative to commercial Pt/C, which could be attributed to the large surface area, macro-/mesoporous structure, the carbon layer encapsulating transition metal based oxides, as well as N-doped carbon species. In addition, MMPC (900) displays a better electrochemical property than 20 wt % Pt/C in terms of durability and tolerance to methanol in O-2-saturated 0.1 M KOH media.
语种英语
WOS记录号WOS:000406702400009
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/149796
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Gold Catalysis Res Ctr, State Key Lab Catalysis, 457 Zhongshan Rd, Dalian 116023, Peoples R China
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GB/T 7714
Jin, Xinxin,Xie, Yan,Huang, Jiahui. Highly Effective Dual Transition Metal Macrocycle Based Electrocatalyst with Macro-/Mesoporous Structures for Oxygen Reduction Reaction[J]. CATALYSTS,2017,7(7).
APA Jin, Xinxin,Xie, Yan,&Huang, Jiahui.(2017).Highly Effective Dual Transition Metal Macrocycle Based Electrocatalyst with Macro-/Mesoporous Structures for Oxygen Reduction Reaction.CATALYSTS,7(7).
MLA Jin, Xinxin,et al."Highly Effective Dual Transition Metal Macrocycle Based Electrocatalyst with Macro-/Mesoporous Structures for Oxygen Reduction Reaction".CATALYSTS 7.7(2017).
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