Facile synthesis and properties of poly(ether ketone cardo)s bearing heterocycle groups for high temperature polymer electrolyte membrane fuel cells
| Autor: | Jin Wang, Ruihong Liu, Qingfeng Li, Ting Wang, David Aili, Xuefu Che, Jingshuai Yang |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
chemistry.chemical_classification
Ketone Fuel cell Arylene Filtration and Separation Ether Polymer Lactamization High temperature Biochemistry Phenolphthalein chemistry.chemical_compound Membrane chemistry Poly(ether ketone cardo) Polymer chemistry Imidazole Moiety General Materials Science Physical and Theoretical Chemistry Polymer electrolyte membrane |
| Zdroj: | Liu, R, Wang, J, Che, X, Wang, T, Aili, D, Li, Q & Yang, J 2021, ' Facile synthesis and properties of poly(ether ketone cardo)s bearing heterocycle groups for high temperature polymer electrolyte membrane fuel cells ', Journal of Membrane Science, vol. 636, 119584 . https://doi.org/10.1016/j.memsci.2021.119584 |
| ISSN: | 0376-7388 |
| Popis: | Novel high temperature polymer electrolyte membranes (HT-PEMs) are fabricated from commercial and low-cost poly (ether ketone cardo) (PEK-Cardo). Rather than normal chloromethylation and quaternization procedure to introduce basic groups into poly (arylene ether)s, three different long side-chain basic groups are grafted into PEK-Cardo through a facile one-step lactamization between the cardo phenolphthalein type moiety in PEK-Cardo and amino compounds (i.e. 1-(3-aminopropyl) imidazole (APIm), 1-(3-aminopropyl) pyrrolidin-2-one (APy) and 3-(dimethylamino)-1-propylamine). The obtained lactamized PEK-Cardo membranes exhibit excellent phosphoric acid doping capability and the physicochemical properties are optimized by adjusting the chemical structure and grafting degree of side-chain basic groups. Fuel cell results demonstrate a big potential for HT-PEM fuel cell applications. Thus, this proposal provides a new, straightforward and low-cost method to prepare high-performance HT-PEMs. |
| Databáze: | OpenAIRE |
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