New Proton-Conducting Polydiimidazopyridine-Based Membrane for an HT-PEM Fuel Cell

I. I. Ponomarev; D. Yu. Razorenov; Iv. I. Ponomarev; Yu. A. Volkova; K. M. Skupov; A. A. Lysova; A. B. Yaroslavtsev

doi:10.1134/S0012500819060028

New Proton-Conducting Polydiimidazopyridine-Based Membrane for an HT-PEM Fuel Cell

作者: Ponomarev I.¹, Razorenov D.¹, Ponomarev I.¹, Volkova Y.¹, Skupov K.¹, Lysova A.², Yaroslavtsev A.²
隶属关系:
1. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences
2. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences
期: 卷 486, 编号 2 (2019)
页面: 156-159
栏目: Chemistry
URL: https://journals.rcsi.science/0012-5008/article/view/154452
DOI: https://doi.org/10.1134/S0012500819060028
ID: 154452

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Polydiimidazopyridine was synthesized from 2,3,5,6-tetraaminopyridine and 2,5-dihydroxyterephthalic acid in polyphosphoric acid (PPA) and characterized. Polydiimidazopyridine possessed high viscosity, high thermooxidative stability, and excellent film-forming properties. The polymer was processed from a reaction solution in PPA to proton-conducting membranes featuring high proton conductivity in the temperature range of 20–200°C, being superior in this value to many known membranes.