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| Effect of heat treatment on the activity and stability of PtCo/C catalyst and application of in-situ X-ray absorption near edge structure for proton exchange membrane fuel cell | |
| Lin, R; Zhao, TT; Shang, MF; Wang, JQ; Tang, WC; Guterman, VE; Ma, JX; Lin, R (reprint author), Tongji Univ, Clean Energy Automot Engn Ctr, Shanghai 201804, Peoples R China. | |
| 2015 | |
| Source Publication | JOURNAL OF POWER SOURCES
 |
| ISSN | 0378-7753 |
| Volume | 293Pages:274—282 |
| Subtype | 期刊文献 |
| Abstract | For the purpose of reducing the cost and improving the performance of the proton exchange membrane fuel cell (PEMFC), some low-Pt or non-Pt catalysts have been studied in recent years. PtCo/C electrocatalysts are synthesized by a two-step reduction approach followed by the heat treatment. PtCo metal particles are uniformly dispersed on the surface of XC-72 carbon support, with a uniform particle size distribution. The PtCo/C catalyst after 400 degrees C heat treatment has the best electrochemical performance among the as-prepared catalysts, even superior to the commercial Pt/C catalyst. In the durability test, PtCo/C-400 also shows excellent stability with only 6.9% decline of electrochemical surface area (ECSA) after 1000 cyclic voltammetry (CV) cycles. In-situ X-ray absorption near edge structure (XANES) technique is conducted to explore the nanostructure change of Pt during the PEMFC operation. For PtCo/C catalyst, with the fuel cell operation potential decreasing from open circuit voltage (OCV) to 0.3 V, the Pt L-3 white line intensity decreases continuously, indicating the decline of Pt 5d-vacancy due to the adsorption of oxygenated species. (C) 2015 Elsevier B.V. All rights reserved. |
| Keyword | Oxygen Reduction Reaction Pt-m m Particle-size Orr Activity Co Electrocatalysts Cathode Catalyst Acidic Media Durability Platinum Pemfc |
| Indexed By | SCI |
| Language | 英语 |
| WOS ID | WOS:000358809700034 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.sinap.ac.cn/handle/331007/24906 |
| Collection | 中科院上海应用物理研究所2011-2020年 |
| Corresponding Author | Lin, R (reprint author), Tongji Univ, Clean Energy Automot Engn Ctr, Shanghai 201804, Peoples R China. |
| Recommended Citation GB/T 7714 | Lin, R,Zhao, TT,Shang, MF,et al. Effect of heat treatment on the activity and stability of PtCo/C catalyst and application of in-situ X-ray absorption near edge structure for proton exchange membrane fuel cell[J]. JOURNAL OF POWER SOURCES,2015,293:274—282. |
| APA | Lin, R.,Zhao, TT.,Shang, MF.,Wang, JQ.,Tang, WC.,...&Lin, R .(2015).Effect of heat treatment on the activity and stability of PtCo/C catalyst and application of in-situ X-ray absorption near edge structure for proton exchange membrane fuel cell.JOURNAL OF POWER SOURCES,293,274—282. |
| MLA | Lin, R,et al."Effect of heat treatment on the activity and stability of PtCo/C catalyst and application of in-situ X-ray absorption near edge structure for proton exchange membrane fuel cell".JOURNAL OF POWER SOURCES 293(2015):274—282. |
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| Effect of heat treat（2311KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Download | |
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