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Erschienen in: Cellulose 3/2021

04.01.2021 | Original Research

Chitosan-Mg(OH)2 based composite membrane containing nitrogen doped GO for direct ethanol fuel cell

verfasst von: Maša Hren, Silvo Hribernik, Selestina Gorgieva, Azadeh Motealleh, Siamak Eqtesadi, Rune Wendellbo, Shingjiang Jessie Lue, Mojca Božič

Erschienen in: Cellulose | Ausgabe 3/2021

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Abstract

Nitrogen-doped graphene oxide (N-doped GO), prepared by a facile hydrothermal reaction of GO with melamine as nitrogen source was studied as a filler in chitosan (CS) based anion exchange membranes (AEM) used in alkaline anion exchange membrane fuel cells. The structures and functional properties of the N-doped synthesized fillers (N level as high as 29.34 at.%) and produced CS-based AEMs were investigated by XPS, SEM, FTIR, XRD analysis, as well as, ion exchange capacity, tensile strength, ethanol permeability, alkali uptake, swelling ratio and cell performance tests. The as-obtained CS-based AEMs with 0.01 wt% N-doped GO filler have achieved a maximum power density of 149 ± 2.2 mW cm−2 at 80 °C, which is significantly higher than that of the benchmark commercial FAA Fumapem® and polybenzimidazole with values of 11 and 60 mW cm−2, respectively. The results demonstrate that the obtained membranes are promising AEM candidates for direct alkaline alcohol fuel cell applications.

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Metadaten
Titel
Chitosan-Mg(OH)2 based composite membrane containing nitrogen doped GO for direct ethanol fuel cell
verfasst von
Maša Hren
Silvo Hribernik
Selestina Gorgieva
Azadeh Motealleh
Siamak Eqtesadi
Rune Wendellbo
Shingjiang Jessie Lue
Mojca Božič
Publikationsdatum
04.01.2021
Verlag
Springer Netherlands
Erschienen in
Cellulose / Ausgabe 3/2021
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-020-03603-x

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