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题名: Improving the DMFC performance with Ketien Black EC 300J as the additive in the cathode catalyst layer
作者: Wang, Guoxiong1;  Sun, Gongquan1;  Wang, Qi1, 2;  Wang, Suli1;  Guo, Junsong1, 2;  Gao, Yan1, 2;  Xin, Qin1
关键词: direct methanol fuel cell ;  cathode catalyst layer ;  Ketjen Black EC 300J ;  additive
刊名: JOURNAL OF POWER SOURCES
发表日期: 2008-05-15
DOI: 10.1016/j.jpowsour.2008.02.040
卷: 180, 期:1, 页:176-180
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Electrochemistry ;  Energy & Fuels
研究领域[WOS]: Electrochemistry ;  Energy & Fuels
英文摘要: Ketjen Black EC 300J with an extremely high mesoporous area and electrical conductivity, was used as an additive in the cathode catalyst layer to improve the DMFC (direct methanol fuel cell) performance. Ketjen Black EC 300J and the catalyst ink were characterized by TEM. The cathode catalyst layers were characterized by SEM, in situ cyclic voltammetry and I-V curve measurements. Ketjen Black EC 300J additive increased the dispersion extent of Pt black particles and improved the Pt utilization. In addition, the pore size and porosity was increased when Ketjen Black EC 300J was added into the cathode catalyst layer. The cathode catalyst layer with Ketjen Black EC 300J additive showed a greater single cell performance than the cathode catalyst layer without any additive, especially in the air-breathing mode. These results suggested that the performance improvement was attributed to the increased Pt utilization, oxygen diffusion and water removal capability when Ketjen Black EC 300J was added into the cathode catalyst layer. (C) 2008 Elsevier B.V. All rights reserved.
关键词[WOS]: MEMBRANE FUEL-CELLS ;  DIFFUSION-LAYER ;  ELECTRODES ;  FABRICATION ;  BATTERIES ;  PEMFC ;  BLACK
语种: 英语
WOS记录号: WOS:000256069900021
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141144
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Direct Alcohol Fuel Cell Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Wang, Guoxiong,Sun, Gongquan,Wang, Qi,et al. Improving the DMFC performance with Ketien Black EC 300J as the additive in the cathode catalyst layer[J]. JOURNAL OF POWER SOURCES,2008,180(1):176-180.
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