A miniaturized power generation device and method are provided. In one configuration a microscale combustor and heat exchanger may include several repeating unit cells each of which performs combustion, recuperation, and heat exchange. Catalytic combustion may occur inside at least one combustion and one recuperator channel. Specific features may be added to reduce heat loss and pressure drop.
GOVERNMENT LICENSE RIGHTS
 This invention was made with government support under DE-FC36-09GO19005 awarded by United States Department of Energy. The government has certain rights in this invention.