Abstract:To retain the optimum hydration level of the proton exchange membrane fuel cell (PEMFC)
without humidification sub-system, a novel self-humidifying composite membrane was fabricated by
the technology of Si[OCH2CH3]4 in situ sol-gel reaction in a commercial Nafion 112 membrane. The
physico-chemical properties of the membrane were studied by means of AFM, SEM and AC
impedance. These results showed that the nano-SiO2 reactant was uniformly distributed in the
composite membrane. It was found that the proton conduc… Show more
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