Title :
A high efficient POM micro-methanol reformer
Author :
Wang, Hsueh-Sheng ; Huang, Kuo-Yang ; Peng, Hsien-Chih ; Huang, Yuh-Jeen ; Tseng, Fan-Gang
Author_Institution :
Dept. of Eng. & Syst. Sci., Nat. Tsing Hua Univ., Hsinchu, Taiwan
Abstract :
In the present study, a novel micro-channel methanol reformer with a finger-shaped groove structure was successfully demonstrated to enhance the methanol conversion rate and the hydrogen yield. By introducing a centrifugal technique, a porous and gradient distribution of the catalyst layer thickness can be obtained inside the micro-channels so as to force the methanol steam to react sufficiently with high surface area catalysts. As the ratio of binder to catalysts varied from 60 to 0, the methanol conversion rate, hydrogen selectivity and hydrogen yield of the micro-methanol reformer at 250°C can approach ~100%, 92% and 1.56×10-5 mole min-1, respectively. Moreover, a high performance output can still be obtained even at 200°C, which is superior to our previous studies.
Keywords :
catalysts; hydrogen production; organic compounds; proton exchange membrane fuel cells; steam reforming; PEMFC; POM microchannel methanol reformer; catalyst layer thickness; centrifugal technique; finger-shaped groove structure; gradient distribution; high surface area catalyst; hydrogen selectivity; hydrogen yield; methanol conversion rate; methanol steam; partial oxidant of methanol; porous distribution; proton exchange membrane fuel cell; temperature 200 C to 250 C; Copper; Manganese; Zinc; Hydrogen; PEMFC; centrifugal process; micro-methanol reformer;
Conference_Titel :
Nano/Micro Engineered and Molecular Systems (NEMS), 2012 7th IEEE International Conference on
Conference_Location :
Kyoto
Print_ISBN :
978-1-4673-1122-9
DOI :
10.1109/NEMS.2012.6196815