Improvement of direct methanol fuel cell performance by modifying catalyst coated membrane structure
文献类型：期刊论文
| 作者 | Wang, S; Sun, GQ; Wang, GX; Zhou, ZH; Zhao, XS; Sun, H; Fan, XY; Yi, BL; Xin, Q |
| 刊名 | electrochemistry communications
 |
| 出版日期 | 2005-10-01 |
| 卷号 | 7期号:10页码:1007-1012 |
| 关键词 | direct methanol fuel cell catalyst coated membrane Pt utilization membrane electrode assembly interface between membrane and catalyst layer |
| 产权排序 | 1;1 |
| 通讯作者 | 孙公权 |
| 英文摘要 | a five-layer catalyst coated membrane (ccm) based upon nation 115 membrane for direct methanol fuel cell (dmfc) was designed and fabricated by introducing a modified nafion layer between the membrane and the catalyst layer. the properties of the ccm were determined by sem, cyclic voltammetry, impedance spectroscopy, ruinous test and i-v curves. the characterizations show that the modified nation layers provide increased interface contact area and enhanced interaction between the membrane and the catalyst layer. as a result, higher pt utilization, lower contact resistance and superior durability of membrane electrode assembly was achieved. a 75% pt utilization efficiency was obtained by using the novel ccm structure, whereas the conventional structure gave 60% efficiency. all these features greatly contribute to the increase in dmfc performance. the dmfc with new ccm structure presented a maximum power density of 260 mw cm(-2), but the dmfc with conventional structure gave only 200 mw cm(-2) under the same operation condition. (c) 2005 elsevier b.v. all rights reserved. |
| WOS标题词 | science & technology ; physical sciences |
| 类目[WOS] | electrochemistry |
| 研究领域[WOS] | electrochemistry |
| 关键词[WOS] | loading electrodes ; platinum ; microstructure ; technology ; transport ; crossover ; layers |
| 收录类别 | SCI |
| 原文出处 | true |
| 语种 | 英语 |
| WOS记录号 | WOS:000232392600007 |
| 公开日期 | 2010-11-30 |
| 源URL | [http://159.226.238.44/handle/321008/92935]  |
| 专题 | 大连化学物理研究所_中国科学院大连化学物理研究所 |
| 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 |
| 推荐引用方式 GB/T 7714 | Wang, S,Sun, GQ,Wang, GX,et al. Improvement of direct methanol fuel cell performance by modifying catalyst coated membrane structure[J]. electrochemistry communications,2005,7(10):1007-1012. |
| APA | Wang, S.,Sun, GQ.,Wang, GX.,Zhou, ZH.,Zhao, XS.,...&Xin, Q.(2005).Improvement of direct methanol fuel cell performance by modifying catalyst coated membrane structure.electrochemistry communications,7(10),1007-1012. |
| MLA | Wang, S,et al."Improvement of direct methanol fuel cell performance by modifying catalyst coated membrane structure".electrochemistry communications 7.10(2005):1007-1012. |
入库方式： OAI收割
来源：大连化学物理研究所
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