Highly Conductive and Mechanically Stable Imidazole-Rich Cross-Linked Networks for High-Temperature Proton Exchange Membrane Fuel Cells

Li, Xiaobai; Ma, Hongwei; Wang, Peng; Liu, Zhenchao; Peng, Jinwu; Hu, Wei; Jiang, Zhenhua; Liu, Baijun; D. Guiver, Michael

doi:10.1021/acs.chemmater.9b04321

Public

Highly Conductive and Mechanically Stable Imidazole-Rich Cross-Linked Networks for High-Temperature Proton Exchange Membrane Fuel Cells

Published in Chemistry of Materials • Jan 2, 2020

Authors:

Xiaobai Li

Hongwei Ma

Peng Wang

Abstract

Phosphoric acid-doped polybenzimidazole (PA-PBI) used in high-temperature proton exchange membranes (HT-PEMs) frequently suffers from a serious loss of mechanical strength because of the "plasticizing effect" of the dopant acid. Conventional cross-linking approaches generally enhance membrane stabil...

Subject

Proton exchange membrane fuel cell

Imidazole

Membrane

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