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Nitrogen-doped carbon xerogels as novel cathode electrocatalysts for oxygen reduction reaction in direct borohydride fuel cells
Jin, Hong1; Li, Jinyang1; Chen, Fuyu1; Gao, Lianxing1; Zhang, Huamin2; Liu, Dejun1; Liu, Qingyu1
关键词Nitrogen-doped Carbon Xerogel Oxygen Reduction Reaction Electrocatalyst Durability Direct Borohydride Fuel Cell
刊名ELECTROCHIMICA ACTA
2016-12-20
DOI10.1016/j.electacta.2016.10.196
222页:438-445
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Electrochemistry
研究领域[WOS]Electrochemistry
关键词[WOS]CATALYST ; STORAGE
英文摘要As a novel catalyst for oxygen reduction reaction (ORR), nitrogen-doped carbon xerogel was prepared via a sol-gel followed by the subsequent pyrolysis in ammonia atmosphere and post-treatment process. The resultant catalysts were characterized by BrunauereEmmetteTeller (BET), transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD) analysis and electrochemical measurements. The role of metal in the catalyst was studied by comparing catalytic activities of the catalysts with and without post-treatment. Results show that the catalyst with nitrogen doped on the surface possesses an amorphous microstructure. The catalysts with and without post-treatment showed almost the same ORR electrocatalytic activities, which clearly demonstrated the negligible influence of metal removal on ORR performance. The catalyst with post-treatment displayed comparable ORR activity to that of Pt/C in alkaline medium as well as superior stability. A maximum power density of 115 mW cm(-2) at 40 degrees C was achieved on the single cell with the as-prepared catalyst as cathode, demonstrating its application as promising alternative for Pt-based electrocatalysts in direct borohydride fuel cells. (C) 2016 Elsevier Ltd. All rights reserved.
语种英语
WOS记录号WOS:000392566200050
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/151887
专题中国科学院大连化学物理研究所
作者单位1.Shenyang Agr Univ, Coll Engn, Shenyang 110866, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Div Energy Storage, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
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GB/T 7714
Jin, Hong,Li, Jinyang,Chen, Fuyu,et al. Nitrogen-doped carbon xerogels as novel cathode electrocatalysts for oxygen reduction reaction in direct borohydride fuel cells[J]. ELECTROCHIMICA ACTA,2016,222:438-445.
APA Jin, Hong.,Li, Jinyang.,Chen, Fuyu.,Gao, Lianxing.,Zhang, Huamin.,...&Liu, Qingyu.(2016).Nitrogen-doped carbon xerogels as novel cathode electrocatalysts for oxygen reduction reaction in direct borohydride fuel cells.ELECTROCHIMICA ACTA,222,438-445.
MLA Jin, Hong,et al."Nitrogen-doped carbon xerogels as novel cathode electrocatalysts for oxygen reduction reaction in direct borohydride fuel cells".ELECTROCHIMICA ACTA 222(2016):438-445.
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