Miniature fuel-cell system complete with on-demand fuel and oxidant supply

The size of a functioning "system" rather than the individual components determines the success of many miniaturization efforts. While most of the existing micro fuel-cell research has been focusing on the fuel-cell stack, our approach has been to systematically eliminate all the ancillary...

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Veröffentlicht in:Journal of power sources 2015-01, Vol.274, p.916-921
Hauptverfasser: Hur, Janet I, Kim, Chang-Jin
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container_title Journal of power sources
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creator Hur, Janet I
Kim, Chang-Jin
description The size of a functioning "system" rather than the individual components determines the success of many miniaturization efforts. While most of the existing micro fuel-cell research has been focusing on the fuel-cell stack, our approach has been to systematically eliminate all the ancillary components with the goal of miniaturizing the full system. In this paper, we present a miniature fuel-cell system that combines the self-pumping of fuel and self-generation of oxidant altogether in a box-shape device of a few centimeters. Since the fuel is pumped on demand inside the system without requiring any external assistance, the device is self-sufficient and portable. Furthermore, the oxygen is generated on demand inside the system without requiring the ambient air, so that the device can be stacked in multiple. Constructed simply as liquids in a solid container, this active fuel-cell system resembles a battery to the user.
doi_str_mv 10.1016/j.jpowsour.2014.10.134
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subjects Battery
Demand
Devices
Fuel cells
Fuels
Liquids
Miniature
Oxidants
Oxidizing agents
title Miniature fuel-cell system complete with on-demand fuel and oxidant supply
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