How role of water affects the anion exchange polymer degradation in alkaline environment is the key of this paper.
https://pubs.rsc.org/en/content/articlelanding/2018/ta/c8ta05785k#!divAbstract
AEM with extender chains pendant to cations provide better hydroxide conductivity and alkaline stability compared to traditional QPPO type system.
https://pubs.rsc.org/en/content/articlelanding/2018/ta/c8ta05785k#!divAbstract
Blend membrane (Sulfonated PPO) fabricated with disulfonic acid based moiety showed excellent alkali recovery performance.
Multi-functional AEM composed of PVA backbone showed better acid recovery performance than commercial DF-120 B membrane.
https://www.sciencedirect.com/science/article/pii/S0376738816309103
Aprotic ionic liquid based SPEEK membrane showed promising behavior to act as an anhydrous proton conductor for fuel cell application.
https://pubs.rsc.org/en/content/articlelanding/2011/jm/c0jm02567d#!divAbstract