Sustainable Plant-Based Biopolymer Membranes for PEM Fuel Cells
Abstract
:1. Introduction
2. Results and Discussion
2.1. Citric Acid Cross-Link Characterizations
2.2. Morphology Characterizations
2.3. Surface Characterizations
2.4. Fuel Cell Performance
3. Materials and Methods
3.1. Materials and Chemicals
3.2. Preparation of Carboxycellulose Nanofibers
3.3. Preparation of Citric Acid Cross-Linked Carboxycellulose Nanofiber Membranes
3.4. Fourier-Transform Infrared-Red Spectrometry (FTIR)
3.5. Thermogravimetric Analysis (TGA)
3.6. 13C CPMAS NMR
3.7. X-ray Diffractometry (XRD)
3.8. Focused Ion Beam Scanning Electron Microscopy (FIB/SEM)
3.9. BET Surface Area
3.10. Transmission Electron Microscopy (TEM)
3.11. Surface Scanning Electron Microscopy with Energy Dispersive X-ray Analysis (SEM/EDX)
3.12. Contact Angle
3.13. Fuel Cell Testing
3.14. Dynamic Mechanical Analysis (DMA) of Cross-Linked CNF Membrane
3.15. Zeta Potential
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Surface Area (m2/g) | Pore Volume (cc/g) | |
---|---|---|
CNF-1 | 1.63720 | 0.0057850 |
CNF-2 | 1.26727 | 0.0047933 |
CNF-3 | 0.94770 | 0.0034088 |
CNF-4 | 0.64708 | 0.0023407 |
Reference | PEM Material | Maximum Power Density (mW cm−2) |
---|---|---|
Jiang et al., 2012 [45] | Phytic acid-incorporated Bacterial Cellulose | 23.0 |
Phosphoric acid-incorporated Bacterial Cellulose | 17.9 | |
Bayer et al., 2016 [36] | Cellulose Nanocrystal | 17.2 |
Cellulose Nanofiber | 0.8 | |
Wang et al., 2019 [42] | Nafion-impregnated Cellulose Filter Paper | 23 |
RDP-impregnated Cellulose Filter Paper | 10 | |
Sharma et al., 2022 [48] | Nitro-oxidized CNF w/Carboxylic Acid Functionalities | 19.1 |
Nitro-oxidized CNF w/Carboxylate Functionalities | 5.8 | |
This Study | Citric acid cross-linked CNF | 27.7 |
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Li, S.; Cai, G.; Wu, S.; Raut, A.; Borges, W.; Sharma, P.R.; Sharma, S.K.; Hsiao, B.S.; Rafailovich, M. Sustainable Plant-Based Biopolymer Membranes for PEM Fuel Cells. Int. J. Mol. Sci. 2022, 23, 15245. https://doi.org/10.3390/ijms232315245
Li S, Cai G, Wu S, Raut A, Borges W, Sharma PR, Sharma SK, Hsiao BS, Rafailovich M. Sustainable Plant-Based Biopolymer Membranes for PEM Fuel Cells. International Journal of Molecular Sciences. 2022; 23(23):15245. https://doi.org/10.3390/ijms232315245
Chicago/Turabian StyleLi, Songtao, George Cai, Songze Wu, Aniket Raut, William Borges, Priyanka R. Sharma, Sunil K. Sharma, Benjamin S. Hsiao, and Miriam Rafailovich. 2022. "Sustainable Plant-Based Biopolymer Membranes for PEM Fuel Cells" International Journal of Molecular Sciences 23, no. 23: 15245. https://doi.org/10.3390/ijms232315245