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http://dx.doi.org/10.3795/KSME-A.2010.34.7.829

Disposable Power Generator with Tubular PEMFC and H2 Generator for the Power Source of Microfluidic Devices  

Kim, Kwang-Ho (Dept. of Mechanical and Mechatronics Engineering and Medical & Bio-Materials Research Center, Kangwon Nat'l Univ.)
Seo, Young-Ho (Dept. of Mechanical and Mechatronics Engineering and Medical & Bio-Materials Research Center, Kangwon Nat'l Univ.)
Kim, Byeong-Hee (Dept. of Mechanical and Mechatronics Engineering and Medical & Bio-Materials Research Center, Kangwon Nat'l Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.34, no.7, 2010 , pp. 829-835 More about this Journal
Abstract
This paper presents a disposable power generator for microfluidic devices; the power generator has a tubular PEMFC and a $H_2$ generator. The tubular PEMFC has a tubular MEA (diameter: 1.52 mm) that is supported by a spiral wire electrode. The $H_2$ generator supplied $H_2$ to the tubular PEMFC; $H_2$ was generated via the reaction of Al foil (27 mg) and 5 M NaOH (0.12 ml). The open circuit voltage and power density of a unit cell of the tubular PEMFC were 0.81 V and $16.4\;mW/cm^2$ (0.35 V), respectively. The $H_2$ generator generated 11.6 ml $H_2$ for 15min. The power generator was continuously operated for 15 min at 0.64 mW (0.71 V) and for 10 min at 1.06 mW (0.46 V). We experimentally verified that it is feasible to use the proposed power generator as a power source for microfluidic devices; in the experiment, an LED (2.5 mW; 1.8 V) was lit for 10 min by using three serially connected TPEMFCs and one $H_2$ generator.
Keywords
Tubular PEMFC; Hydrogen Generator; Disposable Power Generator;
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