500h continuous aging life test on PBI/H3PO4 high-temperature PEMFC
文献类型：期刊论文
| 作者 | Hu, Jingwei; Zhang, Huamin; Zhai, Yunfeng; Liu, Gang; Yi, Baolian |
| 刊名 | international journal of hydrogen energy
 |
| 出版日期 | 2006-10-01 |
| 卷号 | 31期号:13页码:1855-1862 |
| 关键词 | high-temperature PEMFC PBI/H3PO4 voltage degradation internal resistance performance degradation |
| 英文摘要 | 500h continuous aging test on high-temperature pemfc (phosphoric acid-doped pbi system) was conducted, steady-state performance (current density = 640 ma cm(-2)) was recorded, polarization curves were tested every 24 h, and electrochemical techniques-cyclic voltametry (cv) and electrochemical impedance spectroscopy (eis)-were used to study the relationship between electrochemical surface area (esa), internal resistance (r-in) and charge transfer resistance (r-ct) with time. our research results showed that after about 100h activation, the cell performance began to degrade, and the cell voltage degradation rate is about 150 av h(-1) at 640 ma cm(-2). ac impedance measurements showed that there was no obvious membrane degradation for internal resistance remains almost stable. the main reason for performance degradation is the decrease of esa and the increase of rct, which implied that obvious degradation occurs at catalyst. (c) 2006 international association for hydrogen energy. published by elsevier ltd. all rights reserved. |
| WOS标题词 | science & technology ; physical sciences ; technology |
| 类目[WOS] | chemistry, physical ; electrochemistry ; energy & fuels |
| 研究领域[WOS] | chemistry ; electrochemistry ; energy & fuels |
| 关键词[WOS] | membrane fuel-cells ; electrolyte membranes ; composite membrane ; oxygen reduction ; catalysts ; operation |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000241127900005 |
| 公开日期 | 2015-11-17 |
| 源URL | [http://159.226.238.44/handle/321008/140229]  |
| 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, PEMFC Key Mat & Technol Lab, Dalian 116023, Liaoning Prov, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China |
| 推荐引用方式 GB/T 7714 | Hu, Jingwei,Zhang, Huamin,Zhai, Yunfeng,et al. 500h continuous aging life test on PBI/H3PO4 high-temperature PEMFC[J]. international journal of hydrogen energy,2006,31(13):1855-1862. |
| APA | Hu, Jingwei,Zhang, Huamin,Zhai, Yunfeng,Liu, Gang,&Yi, Baolian.(2006).500h continuous aging life test on PBI/H3PO4 high-temperature PEMFC.international journal of hydrogen energy,31(13),1855-1862. |
| MLA | Hu, Jingwei,et al."500h continuous aging life test on PBI/H3PO4 high-temperature PEMFC".international journal of hydrogen energy 31.13(2006):1855-1862. |
入库方式： OAI收割
来源：大连化学物理研究所
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