Synthesis and Properties of Phosphoric-Acid-Doped Polybenzimidazole with Hyperbranched Cross-Linkers Decorated with Imidazolium Groups as High-Temperature Proton Exchange Membranes
Abstract
:1. Introduction
2. Materials and Methods
2.1. Preparation of COPBI-x, ImOPBI-x, and OPBI Membranes
2.2. Characterization Methods
3. Results and Discussion
3.1. Preparation of the ImOPBI-x Membranes
3.2. Thermal and Oxidative Stability
3.3. Phosphoric Acid Uptake and Retention Property
3.4. Proton Conductivity
3.5. Mechanical Properties
3.6. Fuel Cell Performance and Durability
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Conflicts of Interest
References
- Wang, Y.; Chen, K.S.; Mishler, J.; Cho, S.C.; Adroher, X.C. A review of polymer electrolyte membrane fuel cells: Technology, applications, and needs on fundamental research. Appl. Energ. 2011, 88, 981–1007. [Google Scholar] [CrossRef] [Green Version]
- Wang, Y.; Leung, D.Y.C.; Xuan, J.; Wang, H. A review on unitized regenerative fuel cell technologies, part-A: Unitized regenerative proton exchange membrane fuel cells. Renew. Sust. Energ. Rev. 2016, 65, 961–977. [Google Scholar] [CrossRef]
- Majlan, E.H.; Rohendi, D.; Daud, W.R.W.; Husaini, T.; Haque, M.A. Electrode for proton exchange membrane fuel cells: A review. Renew. Sust. Energ. Rev. 2018, 89, 117–134. [Google Scholar] [CrossRef]
- Shabani, B.; Hafttananian, M.; Khamani, S.; Ramiar, A.; Ranjbar, A.A. Poisoning of proton exchange membrane fuel cells by contaminants and impurities: Review of mechanisms, effects, and mitigation strategies. J. Power Sources 2019, 427, 21–48. [Google Scholar] [CrossRef]
- Asensio, J.A.; Sanchez, E.M.; Gomez-Romero, P. Proton-conducting membranes based on benzimidazole polymers for high-temperature PEM fuel cells. A Chem. Quest. Chem. Soc. Rev 2010, 39, 3210–3239. [Google Scholar] [CrossRef]
- Rosli, R.E.; Sulong, A.B.; Daud, W.R.W.; Zulkifley, M.A.; Husaini, T.; Rosli, M.I.; Majlan, E.H.; Haque, M.A. A review of high-temperature proton exchange membrane fuel cell (HT-PEMFC) system. Int. J. Hydrog. Energy 2017, 42, 9293–9314. [Google Scholar] [CrossRef]
- Chandan, A.; Hattenberger, M.; El-kharouf, A.; Du, S.; Dhir, A.; Self, V.; Pollet, B.G.; Ingram, A.; Bujalski, W. High temperature (HT) polymer electrolyte membrane fuel cells (PEMFC)—A review. J. Power Sources 2013, 231, 264–278. [Google Scholar] [CrossRef]
- Bose, S.; Kuila, T.; Nguyen, T.X.H.; Kim, N.H.; Lau, K.-T.; Lee, J.H. Polymer membranes for high temperature proton exchange membrane fuel cell: Recent advances and challenges. Prog. Polym. Sci. 2011, 36, 813–843. [Google Scholar] [CrossRef]
- Molavian, M.R.; Abdolmaleki, A.; Firouz Tadavani, K.; Zhiani, M. A new sulfonated poly(ether sulfone) hybrid with low humidity dependence for high-temperature proton exchange membrane fuel cell applications. J. Appl. Polym. Sci. 2017, 134, 45342. [Google Scholar] [CrossRef]
- Anahidzade, N.; Abdolmaleki, A.; Dinari, M.; Tadavani, K.F.; Zhiani, M. Metal-organic framework anchored sulfonated poly(ether sulfone) as a high temperature proton exchange membrane for fuel cells. J. Membr. Sci. 2018, 565, 281–292. [Google Scholar] [CrossRef]
- Bai, H.; Wang, H.; Zhang, J.; Wu, C.; Zhang, J.; Xiang, Y.; Lu, S. Simultaneously enhancing ionic conduction and mechanical strength of poly(ether sulfones)-poly(vinyl pyrrolidone) membrane by introducing graphitic carbon nitride nanosheets for high temperature proton exchange membrane fuel cell application. J. Membr. Sci. 2018, 558, 26–33. [Google Scholar] [CrossRef]
- Cai, Y.; Yue, Z.; Teng, X.; Xu, S. Phosphoric Acid Doped Cross-linked Polybenzimidazole/Modified Graphene Oxide Composite Membranes for High Temperature Proton Exchange Membrane Applications. J. Electrochem. Soc. 2018, 165, F914–F920. [Google Scholar] [CrossRef]
- Zhang, X.; Liu, Q.; Xia, L.; Huang, D.; Fu, X.; Zhang, R.; Hu, S.; Zhao, F.; Li, X.; Bao, X. Poly(2,5-benzimidazole)/sulfonated sepiolite composite membranes with low phosphoric acid doping levels for PEMFC applications in a wide temperature range. J. Membr. Sci. 2019, 574, 282–298. [Google Scholar] [CrossRef] [Green Version]
- Yang, J.; Wang, Y.; Yang, G.; Zhan, S. New anhydrous proton exchange membranes based on fluoropolymers blend imidazolium poly (aromatic ether ketone)s for high temperature polymer electrolyte fuel cells. Int. J. Hydrog. Energ. 2018, 43, 8464–8473. [Google Scholar] [CrossRef]
- Guo, Z.; Xu, X.; Xiang, Y.; Lu, S.; Jiang, S.P. New anhydrous proton exchange membranes for high-temperature fuel cells based on PVDF-PVP blended polymers. J. Mater. Chem. A 2015, 3, 148–155. [Google Scholar] [CrossRef]
- Li, J.; Wang, S.; Liu, F.; Tian, X.; Wang, X.; Chen, H.; Mao, T.; Wang, Z. HT-PEMs based on nitrogen-heterocycle decorated poly (arylene ether ketone) with enhanced proton conductivity and excellent stability. Int. J. Hydrogen Energ. 2018, 43, 16248–16257. [Google Scholar] [CrossRef]
- Zhang, N.; Wang, B.; Zhao, C.; Wang, S.; Zhang, Y.; Bu, F.; Cui, Y.; Li, X.; Na, H. Quaternized poly (ether ether ketone)s doped with phosphoric acid for high-temperature polymer electrolyte membrane fuel cells. J. Mater. Chem. A 2014, 2, 13996–14003. [Google Scholar] [CrossRef]
- Lee, K.S.; Spendelow, J.S.; Choe, Y.K.; Fujimoto, C.; Kim, Y.S. An operationally flexible fuel cell based on quaternary ammonium-biphosphate ion pairs. Nat. Energ. 2016, 1, 16120. [Google Scholar] [CrossRef]
- Bu, F.; Zhang, Y.; Hong, L.; Zhao, W.; Li, D.; Li, J.; Na, H.; Zhao, C. 1,2,4-Triazole functionalized poly(arylene ether ketone) for high temperature proton exchange membrane with enhanced oxidative stability. J. Membr. Sci. 2018, 545, 167–175. [Google Scholar] [CrossRef]
- Kalathil, A.; Raghavan, A.; Kandasubramanian, B. Polymer Fuel Cell Based on Polybenzimidazole Membrane: A Review. Polym-Plast. Technol. Mater. 2019, 58, 465–497. [Google Scholar] [CrossRef]
- Liu, F.; Wang, S.; Li, J.; Tian, X.; Wang, X.; Chen, H.; Wang, Z. Polybenzimidazole/ionic-liquid-functional silica composite membranes with improved proton conductivity for high temperature proton exchange membrane fuel cells. J. Membr. Sci. 2017, 541, 492–499. [Google Scholar] [CrossRef]
- Tian, X.; Wang, S.; Li, J.S.; Liu, F.X.; Wang, X.; Chen, H.; Ni, H.Z.; Wang, Z. Composite membranes based on polybenzimidazole and ionic liquid functional Si-O-Si network for HT-PEMFC applications. Int. J. Hydrog. Energ. 2017, 42, 21913–21921. [Google Scholar] [CrossRef]
- Wang, L.; Ni, J.; Liu, D.; Gong, C.; Wang, L. Effects of branching structures on the properties of phosphoric acid-doped polybenzimidazole as a membrane material for high-temperature proton exchange membrane fuel cells. Int. J. Hydrog. Energ. 2018, 43, 16694–16703. [Google Scholar] [CrossRef]
- Liu, F.X.; Wang, S.; Chen, H.; Li, J.S.; Tian, X.; Wang, X.; Mao, T.J.; Xu, J.M.; Wang, Z. Cross-Linkable Polymeric Ionic Liquid Improve Phosphoric Acid Retention and Long-Term Conductivity Stability in Polybenzimidazole Based PEMs. ACS Sustain. Chem. Eng. 2018, 6, 16352–16362. [Google Scholar] [CrossRef]
- Tian, X.; Wang, S.; Li, J.; Liu, F.; Wang, X.; Chen, H.; Wang, D.; Ni, H.; Wang, Z. Benzimidazole grafted polybenzimidazole cross-linked membranes with excellent PA stability for high-temperature proton exchange membrane applications. Appl. Surf. Sci. 2019, 465, 332–339. [Google Scholar] [CrossRef]
- Özdemir, Y.; Özkan, N.; Devrim, Y. Fabrication and Characterization of Cross-linked Polybenzimidazole Based Membranes for High Temperature PEM Fuel Cells. Electrochim. Acta 2017, 245, 1–13. [Google Scholar] [CrossRef]
- Hao, J.; Jiang, Y.; Gao, X.; Lu, W.; Xiao, Y.; Shao, Z.; Yi, B. Functionalization of polybenzimidazole-cross-linked poly(vinylbenzyl chloride) with two cyclic quaternary ammonium cations for anion exchange membranes. J. Membr. Sci. 2018, 548, 1–10. [Google Scholar] [CrossRef]
- Yang, J.; Li, Q.; Cleemann, L.N.; Jensen, J.O.; Pan, C.; Bjerrum, N.J.; He, R. Cross-linked Hexafluoropropylidene Polybenzimidazole Membranes with Chloromethyl Polysulfone for Fuel Cell Applications. Adv. Energy Mater. 2013, 3, 622–630. [Google Scholar] [CrossRef]
- Lin, B.; Yuan, W.; Xu, F.; Chen, Q.; Zhu, H.; Li, X.; Yuan, N.; Chu, F.; Ding, J. Protic ionic liquid/functionalized graphene oxide hybrid membranes for high temperature proton exchange membrane fuel cell applications. Appl. Surf. Sci. 2018, 455, 295–301. [Google Scholar] [CrossRef]
- Wang, L.; Liu, Z.; Liu, Y.; Wang, L. Cross-linked polybenzimidazole containing branching structure with no sacrifice of effective N-H sites: Towards high-performance high-temperature proton exchange membranes for fuel cells. J. Membr. Sci. 2019, 583, 110–117. [Google Scholar] [CrossRef]
- Hu, M.; Li, T.; Neelakandan, S.; Wang, L.; Chen, Y. Cross-linked polybenzimidazoles containing hyperbranched cross-linkers and quaternary ammoniums as high-temperature proton exchange membranes: Enhanced stability and conductivity. J. Membr. Sci. 2020, 593, 117435. [Google Scholar] [CrossRef]
- Yang, J.; Jin, W.; Chao, L.; Gao, L.; Xu, Y.; Che, Q.; He, R. Influences of the structure of imidazolium pendants on the properties of polysulfone-based high temperature proton conducting membranes. J. Membr. Sci. 2015, 493, 80–87. [Google Scholar] [CrossRef]
- Wu, W.; Zou, G.; Fang, X.; Cong, C.; Zhou, Q. Effect of Methylimidazole Groups on the Performance of Poly(phenylene oxide) Based Membrane for High-Temperature Proton Exchange Membrane Fuel Cells. Ind. Eng. Chem. Res. 2017, 56, 10227–10234. [Google Scholar] [CrossRef]
- Lee, A.S.; Choe, Y.-K.; Matanovic, I.; Kim, Y.S. The energetics of phosphoric acid interactions reveals a new acid loss mechanism. J. Mater. Chem. A 2019, 7, 9867–9876. [Google Scholar] [CrossRef]
- Escorihuela, J.; Sahuquillo, O.; Garcia-Bernabe, A.; Gimenez, E.; Compan, V. Phosphoric Acid Doped Polybenzimidazole (PBI)/Zeolitic Imidazolate Framework Composite Membranes with Significantly Enhanced Proton Conductivity under Low Humidity Conditions. Nanomaterials 2018, 8, 775. [Google Scholar] [CrossRef] [Green Version]
- Escorihuela, J.; Garcia-Bernabe, A.; Montero, A.; Andrio, A.; Sahuquillo, O.; Gimenez, E.; Compan, V. Proton Conductivity through Polybenzimidazole Composite Membranes Containing Silica Nanofiber Mats. Polymers 2019, 11, 1182. [Google Scholar] [CrossRef] [Green Version]
- Escorihuela, J.; Garcia-Bernabe, A.; Montero, A.; Sahuquillo, O.; Gimenez, E.; Compan, V. Ionic Liquid Composite Polybenzimidazol Membranes for High Temperature PEMFC Applications. Polymers 2019, 11, 732. [Google Scholar] [CrossRef] [Green Version]
- Si, Z.; Sun, Z.; Gu, F.; Qiu, L.; Yan, F. Alkaline stable imidazolium-based ionomers containing poly(arylene ether sulfone) side chains for alkaline anion exchange membranes. J. Mater. Chem. A 2014, 2, 4413–4421. [Google Scholar] [CrossRef]
Br Content before Soaking/% | Br Content after Soaking/% | Conversion Rate/% | |
---|---|---|---|
ImOPBI-5 | 2.09 | 0.26 | 87.6 |
ImOPBI-10 | 4.14 | 0.40 | 90.3 |
ImOPBI-15 | 6.72 | 0.67 | 90.0 |
Sample | PA Uptake/% | Proton Conductivity at 160 °C/S cm−1 | Tensile Stress/MPa | |
---|---|---|---|---|
Undoped | Doped | |||
OPBI | 211.6 | 0.043 | 49.3 | 18.0 |
ImOPBI-5 | 220.8 | 0.089 | 65.5 | 18.3 |
ImOPBI-10 | 191.6 | 0.067 | 81.1 | 21.0 |
ImOPBI-15 | 173.0 | 0.058 | 87.2 | 22.9 |
© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Share and Cite
Gao, C.; Hu, M.; Wang, L.; Wang, L. Synthesis and Properties of Phosphoric-Acid-Doped Polybenzimidazole with Hyperbranched Cross-Linkers Decorated with Imidazolium Groups as High-Temperature Proton Exchange Membranes. Polymers 2020, 12, 515. https://doi.org/10.3390/polym12030515
Gao C, Hu M, Wang L, Wang L. Synthesis and Properties of Phosphoric-Acid-Doped Polybenzimidazole with Hyperbranched Cross-Linkers Decorated with Imidazolium Groups as High-Temperature Proton Exchange Membranes. Polymers. 2020; 12(3):515. https://doi.org/10.3390/polym12030515
Chicago/Turabian StyleGao, Chunmei, Meishao Hu, Li Wang, and Lei Wang. 2020. "Synthesis and Properties of Phosphoric-Acid-Doped Polybenzimidazole with Hyperbranched Cross-Linkers Decorated with Imidazolium Groups as High-Temperature Proton Exchange Membranes" Polymers 12, no. 3: 515. https://doi.org/10.3390/polym12030515