Abstract
Abstract A hydrogen concentration cell, constituted with a redox pair of 2-propanol dehydrogenation and acetone hydrogenation on electrode catalysts, has been studied, with which low-quality waste heat below 100 °C can be converted into electric power. The magnitudes of the open-circuit voltage (VOC) of this cell were found to be dependent on the anode abilities concerned with C–H bond splitting and hydrogen spillover. The kinetical spillover capabilities of carbon-supported Pd-based composite metal catalysts were obtained separately and compared with the magnitudes of VOC, whereas the catalytic dehydrogenation activities for 2-propanol were more closely related with the magnitudes of a short-circuit current (ISC).
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