Proton conductivity through polybenzimidazole composite membranes containing silica nanofiber mats
NAGIOS: RODERIC FUNCIONANDO

Proton conductivity through polybenzimidazole composite membranes containing silica nanofiber mats

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Proton conductivity through polybenzimidazole composite membranes containing silica nanofiber mats

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Escorihuela Fuentes, Jorge; García Bernabé, Abel; Montero, Álvaro; Andrio, Andreu; Sahuquillo, Óscar; Giménez, Enrique; Compañ, Vicente
This document is a artículoDate2019
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 ºC.

    Escorihuela Fuentes, Jorge García Bernabé, Abel Montero, Álvaro Andrio, Andreu Sahuquillo, Óscar Giménez, Enrique Compañ, Vicente (2019) Proton Conductivity through Polybenzimidazole Composite Membranes Containing Silica Nanofiber Mats Polymers, 11 7 1182
https://doi.org/10.3390/polym11071182

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