A robust zirconium amino acid metal-organic framework for proton conduction

Abstract : Proton conductive materials are of significant importance and highly desired for clean energy-related applications. Discovery of practical metal-organic frameworks (MOFs) with high proton conduction remains a challenge due to the use of toxic chemicals, inconvenient ligand preparation and complication of production at scale for the state-of-the-art candidates. Herein, we report a zirconium-MOF, MIP-202(Zr), constructed from natural α-amino acid showing a high and steady proton conductivity of 0.011 S cm−1 at 363 K and under 95% relative humidity. This MOF features a cost-effective, green and scalable preparation with a very high space-time yield above 7000 kg m−3 day−1. It exhibits a good chemical stability under various conditions, including solutions of wide pH range and boiling water. Finally, a comprehensive molecular simulation was carried out to shed light on the proton conduction mechanism. All together these features make MIP-202(Zr) one of the most promising candidates to approach the commercial benchmark Nafion.
Type de document :
Article dans une revue
Nature Communications, Nature Publishing Group, 2018, 9, pp.4937. 〈10.1038/s41467-018-07414-4〉
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https://hal.umontpellier.fr/hal-01943439
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Soumis le : lundi 3 décembre 2018 - 17:55:02
Dernière modification le : samedi 23 mars 2019 - 01:39:45
Document(s) archivé(s) le : lundi 4 mars 2019 - 15:33:23

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Distributed under a Creative Commons Paternité - Pas d'utilisation commerciale 4.0 International License

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Sujing Wang, Mohammad Wahiduzzaman, Louisa Davis, Antoine Tissot, William Shepard, et al.. A robust zirconium amino acid metal-organic framework for proton conduction. Nature Communications, Nature Publishing Group, 2018, 9, pp.4937. 〈10.1038/s41467-018-07414-4〉. 〈hal-01943439〉

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