A miniature pump was designed in this study, based on a catalytic combustion-driven thermal transpiration. The designed pump was further used to build a miniature power generator that has self-pumping and power generation integrated into one device, has no moving parts and operates only on thermal and electrochemical energy supplied by hydrocarbon fuels. A solid oxide fuel cell tested with this power generator obtained a power density of 40 mW.cm−2.

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