Design of a methanol reformer for on-board production of hydrogen as fuel for a 3 kW High-Temperature Proton Exchange Membrane Fuel Cell power system

被引：41

作者：

Gurau, V ^{[1
]}

Ogunleke, A. ^{[2
]}

Strickland, F. ^{[1
]}

机构：

[1] Georgia Southern Univ, Dept Mfg Engn, Statesboro, GA 30458 USA

[2] Georgia Southern Univ, Mech Engn Dept, Statesboro, GA 30458 USA

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2020年 / 45卷 / 56期

基金：

美国食品与农业研究所;

关键词：

Methanol reformer; High-temperature proton exchange membrane fuel cell; Methanol steam reforming; Fuel cell system optimization; Computational fluid dynamics; MULTICHANNEL REACTOR; STEAM REFORMER; CU/ZNO/AL2O3; BED;

D O I：

10.1016/j.ijhydene.2020.08.179

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The method of Computational Fluid Dynamics is used to predict the process parameters and select the optimum operating regime of a methanol reformer for on-board production of hydrogen as fuel for a 3 kW High-Temperature Proton Exchange Membrane Fuel Cell power system. The analysis uses a three reactions kinetics model for methanol steam reforming, water gas shift and methanol decomposition reactions on Cu/ZnO/Al2O3 catalyst. Numerical simulations are performed at single channel level for a range of reformer operating temperatures and values of the molar flow rate of methanol per weight of catalyst at the reformer inlet. Two operating regimes of the fuel processor are selected which offer high methanol conversion rate and high hydrogen production while simultaneously result in a small reformer size and a reformate gas composition that can be tolerated by phosphoric acid-doped high temperature membrane electrode assemblies for proton exchange membrane fuel cells. Based on the results of the numerical simulations, the reactor is sized, and its design is optimized. (C) 2020 The Author(s). Published by Elsevier Ltd on behalf of Hydrogen Energy Publications LLC.

引用

页码：31745 / 31759

页数：15

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