Base-acid doped polybenzimidazole with high phosphoric acid retention for HT-PEMFC applications
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Membrane Science"
DOI: 10.1016/j.memsci.2019.117722
Abstract: Abstract A major problem faced by phosphoric acid doped polymer electrolyte membranes is leaking out easily as the reaction proceeds. Here, the long alkyl side chains with quaternary ammonium groups grafted the polybenzimidazole membranes (PBI-Sc-X)… read more here.
Keywords: acid doped; doped polybenzimidazole; phosphoric acid; pbi membranes ... See more keywords
Characterization of PBI/Graphene Oxide Composite Membranes for the SO2 Depolarized Electrolysis at High Temperature
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DOI: 10.3390/membranes12020116
Abstract: In this work, polybenzimidazole (PBI) membranes with different graphene oxide (GO) contents (0.5, 1.0, 2.0, and 3.0 wt %) as organic filler have been prepared. The X-ray diffraction confirms the incorporation of the filler into… read more here.
Keywords: high temperature; pbi; graphene oxide; so2 depolarized ... See more keywords
A Deep Insight into Different Acidic Additives as Doping Agents for Enhancing Proton Conductivity on Polybenzimidazole Membranes
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DOI: 10.3390/polym12061374
Abstract: The use of phosphoric acid doped polybenzimidazole (PBI) membranes for fuel cell applications has been extensively studied in the past decades. In this article, we present a systematic study of the physicochemical properties and proton… read more here.
Keywords: pbi membranes; conductivity; proton conductivity; phosphoric acid ... See more keywords