低温条件下磷酸铁锂-石墨体系锂离子电池阻抗研究

李萌, 王跃, 邱景义, 文越华, 朱振威, 孟闻捷

Study on impedance of lithium-ion batteries with lithium iron phosphate and graphite system under low temperature

Meng LI, Yue WANG, Jingyi QIU, Yuehua WEN, Zhenwei ZHU, Wenjie MENG

图5 不同温度下全电池 (a)、正极 (b)、负极 (c) 阻抗谱以及室温下等效电路和拟合曲线 (d)

Fig. 5 Nyquist plots of the full cell (a), the cathode (b), and the anode (c) at different temperatures; The equivalent circuits and corresponding fitted curves for the impedance spectra at room temperature (d)