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
图14 NVNOPF-0.10材料的TEM图像 (a) 充放电前;(b) 10 C循环500圈后
Fig. 14 TEM images of NVNOPF-0.10 (a) Before charge-discharge; (b) After 500 cycles of charge-discharge at 10 C