钠离子电池HOPG负极固体电解质界面膜的AFM研究

王舒玮, 胡和丰, 王德宇, 沈彩

AFM Investigation of Solid Electrolyte Interphase on HOPG Anode in Sodium Ion Battery

Shu-Wei WANG, He-Feng HU, De-Yu WANG, Cai SHEN

表1 XPS测试结果C、O、Na、Cl和F的原子百分比

Table 1 Atomic concentrations of C, O, Na, Cl and F obtained from XPS

HOPG Atomic concentration /% C O Na Cl F 1 mol/L NaClO4 /EC/DMC Before etching 80.22 16.63 2.56 0.59 - After etching 83.16 11.62 3.42 1.80 - 1 mol/L NaClO4 /FEC/DMC Before etching 77.90 12.36 4.18 0.87 4.69 After etching 78.02 5.21 6.95 2.03 7.79