Development of a degradation-conscious physics-based lithium-ion battery model for use in power system planning studies
Development of a degradation-conscious physics-based lithium-ion battery model for use in power system planning studies
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DOI：
10.1016/j.apenergy.2019.04.143
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发表时间：
2019-08
期刊：
影响因子：
11.2
通讯作者：
Yang Li;M. Vilathgamuwa;S. Choi;T. Farrell;N. Tran;Joseph Teague
中科院分区：
文献类型：
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作者：
Yang Li;M. Vilathgamuwa;S. Choi;T. Farrell;N. Tran;Joseph Teague
一种计算效率高，可靠的方法，允许同时评估的短期和长期性能的锂离子电池在电力系统规划研究。为此，基于物理的等效电路模型的锂离子电池推导出其中包括副反应引起的电池退化。由此，开发了计算过程，以使等效电路模型中的电路元件的参数值能够随着电池操作而自动更新。所得到的模型允许的内部电阻的增加和电池的能量存储容量的减少被确定，仅基于在电池端子处的功率流的信息。动态模拟结果表明，使用发达的等效电路模型与那些从完善的电化学模型，但在一个大大减少计算负担。
A computationally-efficient and reliable method is developed to permit the simultaneous assessment of both the short- and long-term performance of lithium-ion battery in power system planning studies. Toward this end, a physics-based equivalent circuit model of the lithium-ion battery is derived in which side reaction-induced degradation of the battery is included. Whence a computational procedure is developed to enable the parametric values of the circuit elements in the equivalent circuit model to be automatically updated as the battery operates. The resulting model allows the increase in the internal resistance and the decrease in the energy storage capacity of the battery to be determined, based solely on the information of the power flows at the battery terminals. Dynamic simulation results obtained using the developed equivalent circuit model are shown to be in close agreement with those obtained from well-established electrochemical models, but at a much reduced computational burden.