掺杂甲基咪唑三氟丙烯酸原离子液体的新型 PBI 膜

IF 1 4区化学 Q4 POLYMER SCIENCE Polymer Science, Series A Pub Date : 2024-07-10 DOI:10.1134/S0965545X24600339

Y. A. Fadeeva, S. M. Kuzmin, L. E. Shmukler, L. P. Safonova

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引用次数: 0

摘要

摘要本研究采用溶液浇铸法，使用聚-2,2'-（间苯）-5,5'-联苯并咪唑（PBI）和不同量的原生离子液体甲基咪唑三氟甲烷[MeIm/TfO]制备了新型质子传导膜。研究了这些膜的热性能和电导率。所获得的参数，如高热稳定性（235-255°C）和在 145°C 时 0.7-1.6 mS/cm 的电导率，表明掺杂了 MeIm/TfO 或 BuIm/TfO 的 PBI 膜（我们的研究小组以前曾对其进行过研究）作为 PEMFCs 的潜在电解质，非常值得进一步研究。

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New PBI Membranes Doped with Methyl-Imidazolium Triflate Protic Ionic Liquid

In this study, new proton conducting membranes were prepared using poly-2,2'-(m-phenylene)-5,5'-bibenzimidazole (PBI) and varying amounts of methylimidazoliumtriflate[MeIm/TfO], a protic ionic liquid, by the solution casting method. The thermal properties and conductivity of these membranes were investigated. The obtained parameters, such as high thermal stability (235–255°C) and the conductivity of 0.7–1.6 mS/cm at 145°C, indicate that PBI membranes doped with either MeIm/TfO or BuIm/TfO, which were previously studied by our group, are quite interesting for further investigation as potential electrolytes for PEMFCs.

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来源期刊

Polymer Science, Series A 化学-高分子科学

CiteScore

1.70

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： Polymer Science, Series A is a journal published in collaboration with the Russian Academy of Sciences. Series A includes experimental and theoretical papers and reviews devoted to physicochemical studies of the structure and properties of polymers (6 issues a year). All journal series present original papers and reviews covering all fundamental aspects of macromolecular science. Contributions should be of marked novelty and interest for a broad readership. Articles may be written in English or Russian regardless of country and nationality of authors. All manuscripts are peer reviewed. Online submission via Internet to the Series A, B, and C is available at http://polymsci.ru.