Solvent activities of the fluorinated solid polymer electrolyte/water system in fuel cells

被引：0
|
作者：
Kim, TH
Bae, YC [1 ]
机构：
[1] Hanyang Univ, Div Chem Engn, Seoul 133791, South Korea
[2] Hanyang Univ, Mol Thermodynam Lab, Seoul 133791, South Korea
来源：
JOURNAL OF POWER SOURCES | 2003年 / 118卷 / 1-2期
关键词：
vapor-liquid equilibria; lattice fluid model; solid polymer electrolyte; Debye-Huckel theory;
D O I：
10.1016/S0378-7753(03)00073-9
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：
We modified the lattice fluid equation-of-state by the introducing Debye-Huckel equation. A thermodynamic model taking into account the specific interaction and ionic strength between the polymer and the solvent is proposed. The proposed model successfully predicts the vapor/ liquid equilibria (VLE) of solvents and the solid polymer electrolyte (SPE). A generalized lattice fluid model is modified to describe the change of water activity in solid polymer electrolyte (SPE)/water systems. The calculated activity curves using the proposed model agree remarkably well with the experimental data. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：157 / 161
页数：5
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