Humidification of polymer electrolyte membrane fuel cell using short circuit control for unmanned aerial vehicle applications

Jincheol Kim, Dong Min Kim, Sung Yug Kim, SukWoo Nam, Taegyu Kim

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

In the present study, a short circuit controller for use in the humidification of polymer electrolyte membrane fuel cells was developed for unmanned aerial vehicles (UAVs). Fuel cells (FCs) require an external humidifier to avoid drying up. Particularly in UAV applications, humidity control is more important because the boiling point of water decreases with increase in flight altitude. In this study, overcurrent was generated by short-circuiting an FC to humidify the electrolyte membrane and improve the electric power output. An FC controller incorporating a short circuit unit was developed, and a battery was hybridized with the FC to compensate the power when the latter was short-circuited. The performance of the FC was evaluated for the interval (period) and duration of short circuit. Using this method, the power output was improved by 16% when short circuit control was operated at the optimal condition.

Original languageEnglish
Pages (from-to)7925-7930
Number of pages6
JournalInternational Journal of Hydrogen Energy
Volume39
Issue number15
DOIs
Publication statusPublished - 2014 May 15
Externally publishedYes

Fingerprint

pilotless aircraft
short circuits
Proton exchange membrane fuel cells (PEMFC)
Unmanned aerial vehicles (UAV)
Short circuit currents
fuel cells
Fuel cells
electrolytes
membranes
polymers
controllers
flight altitude
Humidity control
Controllers
output
Boiling point
electric power
boiling
drying
electric batteries

Keywords

  • Humidification
  • Polymer electrolyte membrane fuel cell
  • Short circuit

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

Humidification of polymer electrolyte membrane fuel cell using short circuit control for unmanned aerial vehicle applications. / Kim, Jincheol; Kim, Dong Min; Kim, Sung Yug; Nam, SukWoo; Kim, Taegyu.

In: International Journal of Hydrogen Energy, Vol. 39, No. 15, 15.05.2014, p. 7925-7930.

Research output: Contribution to journalArticle

Kim, Jincheol ; Kim, Dong Min ; Kim, Sung Yug ; Nam, SukWoo ; Kim, Taegyu. / Humidification of polymer electrolyte membrane fuel cell using short circuit control for unmanned aerial vehicle applications. In: International Journal of Hydrogen Energy. 2014 ; Vol. 39, No. 15. pp. 7925-7930.
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