Using Electrospinning-Based Carbon Nanofiber Webs for Methanol Crossover Control in Passive Direct Methanol Fuel Cells
Abstract
:1. Introduction
2. Results and Discussion
2.1. Characterization of the CNWs
2.2. Effects of the PAN Concentration on the Performance of DMFCs
2.3. Effects of the Carbonizing Temperature on the Performance of DMFCs
2.4. Dynamic Characteristics
2.5. Stability Evaluation
3. Materials and Methods
3.1. Fabrication of the Carbon Nanofiber Webs (CNWs)
3.2. Preparation of the Passive Air-Breathing Direct Methanol Fuel Cells
- Membrane: Nafion® 117 (Dupont, Inc., Wilmington, DE, USA);
- Catalyst loading on the cathode side: 2 mg/cm2 Pt (Johnson Matthey, Inc., London, UK);
- Catalyst loading on the anode side: 4 mg/cm2 Pt-Ru (Johnson Matthey, Inc., London, UK);
- Cathode gas diffusion layer: wet-proofed carbon paper (Toray, Inc., Tokyo, Japan);
- Anode gas diffusion layer: untreated carbon paper (Toray, Inc., Tokyo, Japan);
- Active area: 30 mm × 30 mm.
3.3. Testing Setup and Experimental Strategy
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Sample Pattern | Penetrating Time of 4 M Methanol (s) | Average Thickness (μm) | Resistivity (×10−3 Ω·m) |
---|---|---|---|
CL | 16 | 42.61 | 1.10 |
CM | 2 | 73.01 | 1.38 |
CH | 1.8 | 116.49 | 1.92 |
Sample Pattern | PAN:DMF (g:mL) | Carbonizing Temperature (°C) |
---|---|---|
CL | 0.8:7.3 | 1250 |
CM | 1.0:7.3 | 1250 |
CH | 1.2:7.3 | 1250 |
TL | 1.2:7.3 | 800 |
TM | 1.2:7.3 | 1000 |
TH | 1.2:7.3 | 1250 |
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Yuan, W.; Fang, G.; Li, Z.; Chen, Y.; Tang, Y. Using Electrospinning-Based Carbon Nanofiber Webs for Methanol Crossover Control in Passive Direct Methanol Fuel Cells. Materials 2018, 11, 71. https://doi.org/10.3390/ma11010071
Yuan W, Fang G, Li Z, Chen Y, Tang Y. Using Electrospinning-Based Carbon Nanofiber Webs for Methanol Crossover Control in Passive Direct Methanol Fuel Cells. Materials. 2018; 11(1):71. https://doi.org/10.3390/ma11010071
Chicago/Turabian StyleYuan, Wei, Guoyun Fang, Zongtao Li, Yonghui Chen, and Yong Tang. 2018. "Using Electrospinning-Based Carbon Nanofiber Webs for Methanol Crossover Control in Passive Direct Methanol Fuel Cells" Materials 11, no. 1: 71. https://doi.org/10.3390/ma11010071
APA StyleYuan, W., Fang, G., Li, Z., Chen, Y., & Tang, Y. (2018). Using Electrospinning-Based Carbon Nanofiber Webs for Methanol Crossover Control in Passive Direct Methanol Fuel Cells. Materials, 11(1), 71. https://doi.org/10.3390/ma11010071