PVDF-HFP基凝胶固态聚合物电解质的合成与锂离子电池性能

刘如亮, 高兴远, 尹伟, 杨乃涛

Synthesis of PVDF-HFP based gel polymer electrolyte and study of lithium ion battery performance

Ruliang LIU, Xingyuan GAO, Wei YIN, Naitao YANG

图4 (a) Li/GSPE-10/LFP半电池在25 ℃时循环伏安扫描曲线，扫描速度10 mV/s；(b) Li/GSPE-10/LFP与Li/GSPE-0/LFP半电池在不同倍率下的充放电比容量(25 ℃)；(c) Li/GSPE-10/LFP与Li/GSPE-0/LFP半电池在时1 C条件下的循环比容量(25 ℃)；(d) Li/GSPE-10/LFP半电池在1 C循环时不同第一圈和第80圈的交流阻抗谱曲线 (b) Charge discharge specific capacities of Li/GSPE-10/LFP and Li/GSPE-0/LFP at different rates at 25 ℃; Cycling performances of Li/GSPE-10/LFP and Li/GSPE-0/LFP at 1 C at 25 ℃; (d) AC impedance curves of Li/GSPE-10/LFP at 1 C (1st cycle vs 80th cycle)

Fig. 4 (a) Linear sweep voltammetric curves of Li/GSPE-10/LFP at 25 ℃ (scan rate of 10 mV/s);