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Polymer electrolyte fuel cells ionic groups

The first key component of a membrane fuel cell is the membrane electrolyte. Its central role lies in the separation of the two electrodes and the transport of ionic species (e.g. hydroxyl ion, OH , in an AEM), between them. In general, quaternary ammonium groups are used as anion-exchange groups in these materials. However, due to their low stability in highly alkaline media [43,44], only a few membranes have been evaluated for use as solid polymer electrolytes in alkaline fuel cells. [Pg.30]

Monomer and polymer electrolytes containing ion-exchangeable functional groups, (I), and an ionic Uquid functional group, (II), were prepared by Best et al. (1) and used in fuel cells. [Pg.35]

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See also in sourсe #XX -- [ Pg.256 ]



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Ionic groups

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