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. 2016 May;28(18):3467-72.
doi: 10.1002/adma.201506199. Epub 2016 Mar 11.

Alkaline Anion-Exchange Membranes Containing Mobile Ion Shuttles

Xiaolin Ge  1 , Yubin He  1 , Michael D Guiver  2 , Liang Wu  1 , Jin Ran  1 , Zhengjin Yang  1 , Tongwen Xu  1
Affiliations

Alkaline Anion-Exchange Membranes Containing Mobile Ion Shuttles

Xiaolin Ge et al. Adv Mater. 2016 May.

Abstract

A new class of alkaline anion-exchange membranes containing mobile ion shuttles is developed. It is achieved by threading ionic linear guests into poly(crown ether) hosts via host-guest molecular interaction. The thermal- and pH-triggered shuttling of ionic linear guests remarkably increases the solvation-shell fluctuations in inactive hydrated hydroxide ion complexes (OH(-) (H2 O)4 ) and accelerates the OH(-) transport.

Keywords: alkaline anion-exchange membranes; fuel cells; hydroxide ion conduction; ion shuttles; membranes.

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