Nb掺杂Na3V2O2PO42F空心微球钠离子电池正极材料的制备与性能
张梓楠, 陈剑

Preparation and property evaluation of Nb-doped Na3V2O2PO42F hollow microspheres as cathode materials for sodium-ion batteries
Zinan ZHANG, Jian CHEN
表3 四种材料的阻抗拟合参数和Na+ 的扩散系数
Table 3 EIS fitting results of the NVOPF and NVNOPF cathodes and diffusion coefficient of Na+
样品RsRctDNa+/(cm2/s)
NVOPF10.1751.96.46×10-16
NVNOPF-0.056.2421.62.21×10-15
NVNOPF-0.105.2223.63.52×10-15
NVNOPF-0.157.6584.11.06×10-15