钠离子电池正极材料氟磷酸钒钠研究进展

孙畅, 邓泽荣, 江宁波, 张露露, FANG Hui, 杨学林

Recent research progress of sodium vanadium fluorophosphate as cathode material for sodium-ion batteries

Chang SUN, Zerong DENG, Ningbo JIANG, Lulu ZHANG, Hui FANG, Xuelin YANG

图2 高温固相法合成NVPF/C复合材料的(a) 扫描电镜照片，(b) 5 C下的长循环性能图，(c) CV曲线，(d) 充放电曲线，(e) XRD图谱[43]；水热法合成NVPF-H@cPAN复合材料的(f) 扫描电镜照片，(g) TEM图，(h) CV曲线，(i)充放电曲线，(j) XRD图谱[45]和溶胶-凝胶法合成NVPF@C复合材料的(k) 扫描电镜照片，(l) HRTEM图，(m) CV曲线，(n) 充放电曲线，(o) XRD图谱[47]

Fig. 2 (a) SEM images, (b) long cycle performance at 5 C, (c) CV curves, (d) charge-discharge profiles, (e) XRD patterns of NVPF/C synthesized by high temperature solid-state reaction[43]; (f) SEM images, (g) TEM images, (h) CV curves, (i) charge-discharge profiles, (j) XRD patterns of NVPF-H@cPAN prepared by hydrothermal method[45];(k) SEM images, (l) HRTEM images, (m) CV curves, (n) charge-discharge profiles and (o) XRD patterns of NVPF@C synthesized by the sol-gel method[47]