Fuel cell system with sodium borohydride hydrogen generator for small unmanned aerial vehicles

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A 100W proton exchange membrane fuel cell (PEMFC) system with a sodium borohydride (NaBH4) hydrogen generator was investigated for small unmanned aerial vehicles (UAVs). The performance of a cobalt-phosphorous/nickel foam catalyst was evaluated to determine the change in catalytic activity under real operating conditions. The response time increased owing to oxidation of the metals and accumulation of sodium; however, the catalyst remained active at high reaction temperatures. A NaBH4 hydrogen generator with the catalyst was developed for a 100 W PEMFC system. The hydrogen generation rate was stable for 3 h, and the conversion efficiency was 97.8%. Finally, a 100 W PEMFC system with the NaBH4 hydrogen generator was investigated for small UAVs. The maximum power and energy density of the PEMFC system were 95.96 W and 185.2 Wh/kg, respectively.
Publisher
TAYLOR & FRANCIS INC
Issue Date
2018-06
Language
English
Article Type
Article
Keywords

P/NI FOAM CATALYST; COBALT-PHOSPHORUS CATALYSTS; HYDROLYSIS; CO

Citation

INTERNATIONAL JOURNAL OF GREEN ENERGY, v.15, no.6, pp.385 - 392

ISSN
1543-5075
DOI
10.1080/15435075.2018.1464924
URI
http://hdl.handle.net/10203/242450
Appears in Collection
AE-Journal Papers(저널논문)
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