نتایج جستجو برای: anion exchange membranes
تعداد نتایج: 304686 فیلتر نتایج به سال:
Journal:
:RSC Advances
2018
Journal:
:Journal of Materials Chemistry
2003
Journal:
:Chemical Science
2021
Journal:
:ACS Applied Polymer Materials
2020
Journal:
:RSC Advances
2015
Journal:
:Chinese Science Bulletin
2020
Journal:
:Polymer International
2018
Journal:
:Physical chemistry chemical physics : PCCP
2016
Javier Parrondo
Zhongyang Wang
Min-Suk J Jung
Vijay Ramani
Anion exchange membranes (AEM) based on polyphenylene oxide (PPO) suffered quaternary-ammonium-cation-site degradation in alkaline environments. Surprisingly, the degradation rate was considerably faster in the presence of molecular oxygen. We postulated that the AEM cation-site catalyzes the reduction of dioxygen by hydroxide ions to yield the superoxide anion radical and the highly reactive h...
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