The numerical simulation of dynamic performance in the vanadium flow battery

被引：7
作者：
Xu, Wanxing [1 ,2 ]
Zhang, Huamin [1 ]
Xing, Feng [1 ]
Zhang, Hongzhang [1 ,2 ]
Li, Yun [1 ,2 ]
Cao, Jingyu [1 ,2 ]
Li, Xianfeng [1 ]
机构：
[1] Chinese Acad Sci, Dalian Inst Chem Phys, Div Energy Storage, Dalian 116023, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2014年 / 118卷
关键词：
Dynamic model; vanadium flow battery; battery performance; ENERGY-STORAGE; ION DIFFUSION; MODEL;
D O I：
10.1016/j.electacta.2013.11.147
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A simple dynamic model, taking into account the change of proton concentration and dynamic diffusion of vanadium ions, is developed to predict the performances of the vanadium flow battery (VFB). The model is verified via the cycle experiment on the single cell battery assembled with Nafion 115 membrane. The simulated voltage of the VFB single cell during a charge-discharge cycle is in agreement with the experimental results. The efficiency and capacity vs. number of cycles evaluated by this model agree quite well with the experimental data as well. Comparing with the model neglecting the proton concentration change and dynamic diffusion of vanadium ions, the presented model can better forecast the performances of the VFB. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：51 / 57
页数：7
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