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10 (a) NVNOPF-0.10V 2p XPS图;(b) NVNOPF-0.10Nb 3d XPS
Fig. 10 (a) V 2p XPS map of NVNOPF-0.10; (b) Nb 3d XPS map of NVNOPF-0.10