The Effect of PtRuIr Nanoparticle Crystallinity in Electrocatalytic Methanol Oxidation
Abstract
:1. Introduction
2. Results and Discussion
Catalyst | PtRuIra/C | PtRuIrc/C |
---|---|---|
Pt:Ru:Ir atom ratio | 3.5:3.0:1.0 | 3.5:3.0:1.0 |
The average particle size/nm | 2.2 ± 0.02 | 5.0 ± 0.02 |
ECSA/m2 g−1metal | 59.5 | 32.6 |
The onset potential for CO oxidation/mV vs. RHE | 663 | 521 |
The onset potential for methanol oxidation/mV vs. RHE | 370 | 338 |
The mass activity for methanol oxidation/mA mg−1 | 147 | 298 |
The specific activity for methanol oxidation/mA cm−2 | 0.25 | 0.91 |
3. Experimental Section
3.1. Preparation of PtRuIr/C Catalysts with Different Crystallinity
3.2. Measurements
4. Conclusions
Acknowledgments
References
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Ma, Y.; Wang, R.; Wang, H.; Liao, S.; Key, J.; Linkov, V.; Ji, S. The Effect of PtRuIr Nanoparticle Crystallinity in Electrocatalytic Methanol Oxidation. Materials 2013, 6, 1621-1631. https://doi.org/10.3390/ma6051621
Ma Y, Wang R, Wang H, Liao S, Key J, Linkov V, Ji S. The Effect of PtRuIr Nanoparticle Crystallinity in Electrocatalytic Methanol Oxidation. Materials. 2013; 6(5):1621-1631. https://doi.org/10.3390/ma6051621
Chicago/Turabian StyleMa, Yanjiao, Rongfang Wang, Hui Wang, Shijun Liao, Julian Key, Vladimir Linkov, and Shan Ji. 2013. "The Effect of PtRuIr Nanoparticle Crystallinity in Electrocatalytic Methanol Oxidation" Materials 6, no. 5: 1621-1631. https://doi.org/10.3390/ma6051621