Approaching high temperature performance for proton exchange membrane fuel cells with 3D ordered silica/Cs2.5H0.5PW electrolytes
Development of new types of proton conducting materials with efficient transport of protons is one of the most important remaining challenges for elevated-temperature proton exchange membrane fuel cells. Herein, we report the design and synthesis of a new type of proton conducting material based on...
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| Hauptverfasser: | , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2014
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| In: |
Journal of materials chemistry. A, Materials for energy and sustainability
Year: 2013, Jahrgang: 2, Heft: 3, Pages: 753-760 |
| ISSN: | 2050-7496 |
| DOI: | 10.1039/C3TA14064D |
| Online-Zugang: | Resolving-System, lizenzpflichtig, Volltext: https://doi.org/10.1039/C3TA14064D Verlag, lizenzpflichtig, Volltext: https://pubs.rsc.org/en/content/articlelanding/2014/ta/c3ta14064d 
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| Verfasserangaben: | Cong Liang, Junsheng Li, Haolin Tang, Huijie Zhang, Haining Zhang and Pan Mu |
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| 520 | |a Development of new types of proton conducting materials with efficient transport of protons is one of the most important remaining challenges for elevated-temperature proton exchange membrane fuel cells. Herein, we report the design and synthesis of a new type of proton conducting material based on three dimensional ordered macroporous silica (3DOM silica) incorporated with inorganic Cs2.5H0.5PW electrolytes. The highly ordered structure of 3DOM silica provides well inter-connected pathways for efficient proton transport, especially at high operating temperatures. At a doping amount of 90 wt% of Cs2.5H0.5PW, the proton conductivity of the formed composite electrolyte reaches 0.248 S cm−1 at 170 °C and the activation energy is about 5.775 kJ mol−1. The novel electrolytes also showed good stability as well as excellent single cell performance at 170 °C. The results described here demonstrate that the 3DOM silica/Cs2.5H0.5PW electrode has great potential for high temperature proton exchange membrane fuel cell applications. | ||
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| 700 | 1 | |a Zhang, Haining |e VerfasserIn |4 aut | |
| 700 | 1 | |a Mu, Pan |e VerfasserIn |4 aut | |
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