Abstract

This article reviews the micro technology-based energy and chemical systems (MECS) that help miniaturizing and integrating the components necessary for advanced energy and chemical systems. Researchers in the field view this idea as a way of improving traditional energy systems while addressing the challenges of new applications. This aim is analogous to what occurred when discrete electronic components were integrated on the same substrate. MECS are typically mesoscopic, that is, approximately between the size of a sugar cube and a fist. Thus, MECS are systems made up of smaller components brought together to form a larger package. Miniature energy and chemical systems rely on the small scales because heat and mass transfer rates increase by the inverse square of the reduction in size; that is, going to smaller sizes greatly enhances both heat and mass transfer rates. As MECS technology matures, the ideas and concepts presented here may result in exciting new applications that could include fuel cell-powered cars that fill up on gasoline, or power cartridges for portable electronics having 10 times the life of current batteries.

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