电池电极过程可视化与定量化技术的研究进展

吕思奇, 李娜, 陈浩森, 焦树强, 宋维力

Progresses in visualization and quantitative analysis of the electrode process in rechargeable batteries

Siqi LYU, Na LI, Haosen CHEN, Shuqiang JIAO, Weili SONG

图12 (a) TOF-SIMS原理图；(b) 深层溅射图；(c)-0.5 V放电与-2.2 V充电深度剖面对应的溅射体三维图像；(d) 铝系列中二次离子深度分布；(e) 充放电过程中三种离子在其最大含量深度处的比值；(f) 三种离子在不同深度处含量比[11]

Fig. 12 (a) the schematic diagram of TOF-SIMS; (b) the diagram of deep sputtering; (c) 3D images of the sputtered volume corresponding to the depth profiles at discharge -0.5 V and charge -2.2 V; (d) the depth profiles of secondary ions in aluminum series; (e) the ratio of three ions at the depth of their maximum contents during charge and discharge processes, and (f) the content ratio of three ions at different depths[11]