NDLI: A study of hydrogen peroxide microfluidic fuel cells

Content Provider	IEEE Xplore Digital Library
Author	Shyu, J.C. Huang, C.L. Sheu, T.S. Ay, H. Huang, J.W.
Copyright Year	2012
Description	Author affiliation: Department of Mechanical Engineering/National Kaohsiung University of Applied Sciences, Taiwan (Shyu, J.C.; Huang, C.L.) \|\| Department of Physics/R. O. C Military Academy, Kaohsiung, Taiwan (Huang, J.W.) \|\| Department of Mechanical Engineering/R. O. C. Military Academy, Kaohsiung, Taiwan (Sheu, T.S.) \|\| Department of Mold and Die Engineering/National Kaohsiung University of Applied Sciences, Taiwan (Ay, H.)
Abstract	This study investigated various effects, including reactant concentrations, volumetric flow rates and microchannel width, as well as the electrode distance, on the performance of microfluidic fuel cells employing hydrogen peroxide dissolved in alkaline and acid electrolytes as both fuel and oxidant, respectively. Three concentrations ranging from 0.1 M to 0.6 M and five volumetric flow rates ranging from 0.01 mL/min to 1.0 mL/min were tested in the present study for cell performance measurement and discussion. Three microfluidic fuel cells were tested here. Two of them have rectangular microchannel of 0.5 mm and 1.0 mm in width with electrode distance of 0.4 mm. An additional 0.5-mm-wide microchannel fuel cell was also tested with a shorter electrode distance of 0.2 mm. Results show that cell performed at either larger volumetric flow or with smaller microchannel width usually had higher current output at a given cell voltage. The highest cell output at 0.1 V and 0.1 M among the present cells was approximately 100 $mA/cm^{2}$ produced by the cell whose microchannel width and electrode distance are 0.5 mm and 0.2 mm, respectively. However, with a higher reactant concentration of 0.6 M, the highest cell output at 0.1 V and 0.1 M among the present cells was 2.5 times higher than the abovementioned value, namely 250 $mA/cm^{2},$ produced by the cell with microchannel width and electrode distance of 0.5 mm and 0.4 mm, respectively.
Starting Page	529
Ending Page	532
File Size	1079051
Page Count	4
File Format	PDF
ISBN	9781467311229
e-ISBN	9781467311243
DOI	10.1109/NEMS.2012.6196831
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-03-05
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bonding Platinum Electrodes Microchannel Fuels bubble microfluidic fuel cell hydrogen peroxide
Content Type	Text
Resource Type	Article

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