A Three-dimensional Transient Model of Two-phase Mass Transfer in Anode Side of Passive Direct Methanol Fuel Cells

被引：1
|
作者：
Chen, Yue Ping [1 ]
Guo, Hang [1 ]
Ye, Fang [1 ]
Ma, Chong Fang [1 ]
机构：
[1] Beijing Univ Technol, Coll Environm & Energy Engn, Key Lab Enhanced Heat Transfer & Energy Conservat, Minist Educ, Beijing 100124, Peoples R China
来源：
FUNDAMENTAL OF CHEMICAL ENGINEERING, PTS 1-3 | 2011年 / 233-235卷
关键词：
direct methanol fuel cells; three dimensional; mass transfer; dynamic models; LIQUID-FEED DMFC; TRANSPORT MODEL;
D O I：
10.4028/www.scientific.net/AMR.233-235.2615
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A three-dimensional, two-phase, multiple-component, unsteady model for the anode side of passive direct methanol fuel cells is presented in this work. The model is formed by a drift-flux model and can capture in-plane distributions of species along different directions in the cell. After grid independency test, this model is used to investigate numerically transport behaviors in the anode of liquid feed direct methanol fuel cells. The results illustrate the feasibility of the passively delivering methanol to the electrochemical reaction site, and characterize the relevant transport phenomena. Moreover, the evolution of species concentration, velocities along different directions in the cell and the mass transfer limitation were also presented. The three-dimensional model is valuable for understanding and predicting mass transfer in passive direct methanol fuel cells.
引用
收藏
页码：2615 / 2618
页数：4
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