Advances in alkaline stable guanidinium based anion exchange membranes

Preparation of Branch Polyethyleneimine (BPEI) Crosslinked Anion Exchange Membrane Based on Poly(styrene‐b‐(ethylene‐co‐butylene)‐b‐styrene) (SEBS)

“…Therefore, heteroaromatic ring polymers have been widely used as AEM materials due to their good thermal properties, mechanical stability and alkali resistance, such as polysulfone (PSU), [ 12–16 ] poly(2,6‐dimethyl‐1,4‐phenylene oxide) (PPO), [ 17–22 ] poly(arylene ether sulfone), [ 23–25 ] and poly(ether‐ether)ketone (PEEK). [ 26–32 ] Commonly, the OH – conducting functional group involves functionalized quaternary ammonium, [ 33–38 ] imidazolium, [ 39–43 ] guanidium, [ 44–51 ] phosphonium, [ 52–56 ] or sulphonium. [ 57 ]…”

Recent progress of anion exchange membranes for fuel cell applications

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