为了同时解决燃料电池水管理中的干涸(dry out)和水淹(flooding)问题,本文提出了一种主副流道分流式的阴极进气加湿方式,并应用基于不同水传输机理的数学模型研究了这种新型进气方式的加湿效果.模拟结果表明:这种新的阴极进气方式可以在节约50％进气加湿用水量的同时保证电池性能;在不同的水传输机理模型中,电池内各参数在沿气体流动方向的均匀性、变化规律等方面存在显著差异.
参考文献
| [1] | J. S. Yi;T. V. Nguyen .An along-the channel model for proton exchange membrane fuel cells[J].Journal of the Electrochemical Society,1998(4):1149-1159. |
| [2] | Dutta S.;Van Zee JW.;Shimpalee S. .Three-dimensional numerical simulation of straight channel PEM fuel cells[J].Journal of Applied Electrochemistry,2000(2):135-146. |
| [3] | Lixin You;Hongtan Liu .A two-phase flow and transport model for the cathode of PEM fuel cells[J].International Journal of Heat and Mass Transfer,2002(11):2277-2287. |
| [4] | Meng H;Wang CY .Model of two-phase flow and flooding dynamics in polymer electrolyte fuel cells[J].Journal of the Electrochemical Society,2005(9):A1733-A1741. |
| [5] | Pasaogullari U;Wang CY;Chen KS .Two-phase transport in polymer electrolyte fuel cells with bilayer cathode gas diffusion media[J].Journal of the Electrochemical Society,2005(8):A1574-A1582. |
| [6] | Peter Berg;Keith Promislow;Jean St. Pierre .Water Management in PEM Fuel Cells[J].Journal of the Electrochemical Society,2004(3):A341-A353. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%