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学科主题物理化学
Ni-Co-B catalyst-promoted hydrogen generation by hydrolyzing NaBH4 solution for in situ hydrogen supply of portable fuel cells
Wu, Chuan1; Bai, Ying1; Liu, Dan-Xian1; Wu, Feng1; Pang, Mei-Li1; Yi, Bao-Lian2; ChuanWu
关键词Proton-exchange Membrane Fuel Cell Ni-co-b Catalyst Surface Hydrogen Generation Nabh4 Hydrolysis
刊名CATALYSIS TODAY
2011-07-19
ISSN待补充
DOI10.1016/j.cattod.2011.01.046
170期:1页:33-39
收录类别SCI
文章类型Article
部门归属DNL17
项目归属DNL17
产权排名2,6
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]SODIUM-BOROHYDRIDE SOLUTION ; COBALT-BASED CATALYSTS ; BORIDE CATALYST ; NICKEL ; ALLOYS ; METAL ; NANOPARTICLES ; BATTERIES ; XPS
英文摘要Ni-Co-B catalyst-promoted hydrogen generation by hydrolyzing NaBH4 solution for in situ hydrogen supply of portable fuel cells; A series of Ni-Co-B catalysts were synthesized by a two-step technique, namely, chemical reduction was used to prepare the precursors, and heat-treatment was used to adjust the crystal structures. The structures of the as-prepared Ni-Co-B catalysts were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and nitrogen adsorption-desorption test. The catalytic activities of the Ni-Co-B catalysts for NaBH4 hydrolysis were evaluated in a successive hydrogen generation mode, where a 5% NaBH4 + 1% NaOH solution was pumped into the hydrogen generation reactor with a feeding rate of 5 ml per minute. It is found that the heat-treatment affects the crystal structure, the apparent morphology, the oxidation state, the surface structure, as well as the hydrogen generation performances of the Ni-Co-B catalysts. The sample treated at 673 K achieves an average hydrogen generation rate of 708 ml min(-1) g(-1) (catalyst), which can give successive hydrogen supply for an 115 W portable proton-exchange membrane fuel cell (PEMFC). (C) 2011 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000291799100006
引用统计
被引频次:31[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/115699
专题中国科学院大连化学物理研究所
通讯作者ChuanWu
作者单位1.Beijing Inst Technol, Sch Chem Engn & Environm, Beijing 100081, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Lab PEMFC Key Mat & Technol, Dalian 116023, Peoples R China
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Wu, Chuan,Bai, Ying,Liu, Dan-Xian,et al. Ni-Co-B catalyst-promoted hydrogen generation by hydrolyzing NaBH4 solution for in situ hydrogen supply of portable fuel cells[J]. CATALYSIS TODAY,2011,170(1):33-39.
APA Wu, Chuan.,Bai, Ying.,Liu, Dan-Xian.,Wu, Feng.,Pang, Mei-Li.,...&ChuanWu.(2011).Ni-Co-B catalyst-promoted hydrogen generation by hydrolyzing NaBH4 solution for in situ hydrogen supply of portable fuel cells.CATALYSIS TODAY,170(1),33-39.
MLA Wu, Chuan,et al."Ni-Co-B catalyst-promoted hydrogen generation by hydrolyzing NaBH4 solution for in situ hydrogen supply of portable fuel cells".CATALYSIS TODAY 170.1(2011):33-39.
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