Open circuit voltage for solid polymer electrolyte/salt systems in lithium batteries

被引：2
|
作者：
Pai, SJ
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 APPLIED ELECTROCHEMISTRY | 2005年 / 35卷 / 03期
关键词：
lithium battery; MDL-NR model; melting point depression; open circuit voltage; solid polymer electrolyte;
D O I：
10.1007/s10800-004-6708-4
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The open circuit voltage (OCV) model of the solid polymer electrolyte (SPE)/salt system in lithium batteries is established by combining concentrated solution theory with the modified double lattice-non-random (MDL-NR) model which describes the non-ideal behavior of the salt activity in the polymer electrolyte. The activity parameters are obtained from the phase diagram for the given systems and used to describe the OCV of the corresponding systems with one additional parameter, transport number, t(+)(0). The proposed model agrees very well with the OCV data for various PEO/salt systems.
引用
收藏
页码：259 / 265
页数：7
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