Fig 1.
Geometry of the reactors in the simulation: (a) tubular, (b) parallel-U, and (c) cross-U.
Table 1.
Parameters used in the 3D model.
Fig 2.
Simulation results of temperature distribution in the reactors with different fuel feeding rates.
Table 2.
Geometry data of the three reactors.
Fig 3.
Simulation results of methanol mass fraction in the reformers with different fuel feeding rates.
Fig 4.
Photographs of (a) the reactors and catalysts used in the experiments, and (b) experimental set-up for stability test with HT-PEMFC.
Fig 5.
Combustor performance evaluation for each reactor: (a) reactor temperature as a function of heating time, and (b) effect of hydrogen to oxygen mole ratio.
Fig 6.
Reforming performance of the reactors at 240°C: (a) flow rate of dried reformed gas as a function of methanol solution feeding rate, and (b) the according H2 consuming rate for combustion.
Fig 7.
(a) Methanol conversion with different methanol solution feeding rate, and (b) CO2 selectivity under different temperatures for each reactor.
Fig 8.
HT-PEMFC performance based on the reformed gas (a) polarization curve, and (b) discharging at constant 0.5 V for 4 h.