基于无机钠离子导体的固态钠电池研究进展

彭林峰, 贾欢欢, 丁庆, 赵宇明, 谢佳, 程时杰

Research progress of solid-state sodium batteries using inorganic sodium ion conductors

Linfeng PENG, Huanhuan JIA, Qing DING, Yuming ZHAO, Jia XIE, Shijie CHENG

图2 (a) 正极用离子液体(IL)修饰的Na|SEs|NVP-IL固态电池的示意图和(b)相应的固态电池在10 C的倍率下循环10000圈的长循环性能；(c) 用两种不同的方法制备的电极的微观结构示意图；(d)和(e)分别为NVP-NZSP-Na固态电池在25 ℃下的倍率性能和循环性能；(f) 基于0.1Ca-NZSP固态电解质构筑三维的金属钠负极的全固态电池示意图及(g)该电池在不同电流密度下的循环性能

Fig. 2 (a) schematic representation of the NVP/IL/SE/Na solid-state batteries and (b) cycling performance of the Na|SEs|NVP-IL solid-state battery at room temperature with a current rate of 10 C for 10000 cycles[39]; (c) schematics of typical electrode microstructure by two different processing routes; (d) performance of a cell operating with different current densities and (e) discharge capacity and Coulombic efficiency for each cycle of NVP-NZSP-Na cells operating at 25 °C[42]; (f) Schematic of the full SSSB with 3D sodium metal anode based on trilayer 0.1Ca-NZSP electrolyte and (g) the cycling proflie of the solid-state battery at different current densities[36]