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The development of micro-fuel processor using low temperature co-fired ceramic (LTCC)
Shin, Yeena,Kim, Okyoun,Hong, Jong-Chul,Oh, Jeong-Hoon,Kim, Woo-Jae,Haam, Seungjoo,Chung, Chan-Hwa Elsevier 2006 International journal of hydrogen energy Vol.31 No.13
<P><B>Abstract</B></P><P>A micro-fuel processor system integrating steam reformer and partial oxidation reactor was manufactured using low temperature co-fired ceramic (LTCC). A CuO/ZnO/<SUB>Al2</SUB><SUB>O3</SUB> catalyst and Pt-based catalyst prepared by wet impregnation were used for steam reforming and partial oxidation, respectively. The performance of the LTCC micro-fuel processor was measured at various operating conditions such as the effect of the ratio of the feed flow rate, the ratio of <SUB>H2</SUB>O/<SUB>CH3</SUB>OH and the operating temperature on the LTCC reformer and the CO clean-up system. The hydrogen concentration and the methanol conversion were high and stable as a durable micro-fuel processor from the feasibility test which was operated continuously for 12h. The product gas was composed of 75% hydrogen, 25% carbon dioxide and carbon monoxide (<50ppm) at 260<SUP>∘</SUP>C, respectively.</P>
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Jung-Juu Park,Yeena Shin,Jeong-Hoon Oh,Chan-Hwa Chung,Yong-Jung Huh,함승주 한국공업화학회 2009 Journal of Industrial and Engineering Chemistry Vol.15 No.5
A fully integrated micro-channel fuel processor system consisting of vaporizer, steam reformer, heat exchanger and preferential CO oxidation (PROX) was developed using low temperature co-fired ceramic (LTCC). To fabricate a compact all-in-one system, each substrate was stacked to build a multilayered type fuel processor. A CuO/ZnO/Al2O3 catalyst and Pt-based catalyst prepared by wet impregnation were deposited inside the micro-channel of steam reformer and PROX, respectively. The performance of the fully integrated micro-channel reformer wasmeasured at various conditions such as the ratio of the feed flow rate, the ratio of H2O/CH3OH and the operating temperature of the reactor. In parallel with the experiments, 3-D fluid dynamics simulation (Fluent) was conducted to verify the micro-reformer performance. The fully integrated micro-channel reformer has the dimensions of W: 130 mm × D: 50 mm × H: 3 mm. The fuel processor produced the gas composition of 71% H2 and 25% CO2, and more than 93% of methanol conversion was achieved at 300 8C and 2 ㎝3/h of the feed flow rate when CO concentration was maintained below 100 ppm by PROX.
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