Academic Journal
Proton conductivity through polybenzimidazole composite membranes containing silica nanofiber mats
| العنوان: | Proton conductivity through polybenzimidazole composite membranes containing silica nanofiber mats |
|---|---|
| المؤلفون: | Escorihuela, Jorge, García Bernabé, Abel, Montero, Alvaro, Andrio, Andreu, Sahuquillo, Oscar, Gimenez, Enrique, Compañ, Vicente |
| بيانات النشر: | MDPI |
| سنة النشر: | 2023 |
| المجموعة: | Repositori Universitat Jaume I (Repositorio UJI) |
| مصطلحات موضوعية: | fuel cells, proton exchange membrane, polymer, polybenzimidazole, silica, nanofibers, electrospinning, proton conductivity, electrochemical impedance spectroscopy |
| الوصف: | The quest for sustainable and more efficient energy-converting devices has been the focus of researchers′ efforts in the past decades. In this study, SiO2 nanofiber mats were fabricated through an electrospinning process and later functionalized using silane chemistry to introduce different polar groups −OH (neutral), −SO3H (acidic) and −NH2 (basic). The modified nanofiber mats were embedded in PBI to fabricate mixed matrix membranes. The incorporation of these nanofiber mats in the PBI matrix showed an improvement in the chemical and thermal stability of the composite membranes. Proton conduction measurements show that PBI composite membranes containing nanofiber mats with basic groups showed higher proton conductivities, reaching values as high as 4 mS·cm−1 at 200 °C. |
| نوع الوثيقة: | article in journal/newspaper |
| وصف الملف: | application/pdf |
| اللغة: | English |
| تدمد: | 2073-4360 |
| Relation: | Polymers, Vol. 11 Issue 7 (2019); Escorihuela, Jorge, Abel García-Bernabé, Alvaro Montero, Andreu Andrio, Óscar Sahuquillo, Enrique Gimenez, and Vicente Compañ. 2019. "Proton Conductivity through Polybenzimidazole Composite Membranes Containing Silica Nanofiber Mats" Polymers 11, no. 7: 1182.; http://hdl.handle.net/10234/204943; https://doi.org/10.3390/polym11071182 |
| DOI: | 10.3390/polym11071182 |
| الاتاحة: | http://hdl.handle.net/10234/204943 https://doi.org/10.3390/polym11071182 |
| Rights: | http://creativecommons.org/licenses/by/4.0/ ; info:eu-repo/semantics/openAccess |
| رقم الانضمام: | edsbas.F3B15867 |
| قاعدة البيانات: | BASE |
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