0 引言
1 原位X射线衍射谱
2 原位拉曼光谱
Fig. 2 In situ RS of β-LPS/Au interface (a) and LGPS/Au interface (b) during negative and positive potential sweeps图2 β-LPS/Au界面(a)和LGPS/Au界面(b)在负电位和正电位扫描期间的原位RS[8] |
3 原位扫描电镜
Fig. 3 In situ SEM investigation during the polarization of the Cu/Si/LLZTO/Li cells with the Si layer thickness of 45 nm: (a) SEM image of the pristine interface, (b-e) interfacial morphologies after polarization for 15, 30, 45, and 60 min, (f-h) interfacial morphologies after opposite polarization for 15, 30, and 45 min; in situ SEM investigation during the polarization of the Cu/Si/LLZTO/Li cells with the Si layer thickness of 360 nm: (i) SEM image of the pristine interface and (j-l) interfacial morphologies after polarization for 15, 30, and 45 min[18]图3 Si层厚度为45 nm的Cu/Si/LLZTO/Li电池极化过程中的原位SEM研究[18]:(a)原始界面的SEM图像,(b ~ e)极化15 min、30 min、45 min和60 min后的界面形态,(f ~ h)反向极化15 min、30 min和45 min后的界面形态;Si层厚度为360 nm的Cu/Si/LLZTO/Li电池极化过程中的原位SEM研究:原始界面的SEM图像(i)和极化15 min、30 min、45 min(j ~ l)后的界面形态 |
4 原位透射电镜
Fig. 4 (a) An LCO/LLZO/Au nano-battery fabricated by FIB; (b) HAADF micrograph of the delithiated LiCoO2 cathode colored using the GPA method; (c) STEM-ABF and HAADF micrographs of a coherent twin boundary and an antiphase domain boundary[23]; (d) electric potential distribution around the LiCoO2/electrolyte interface during the charge-discharge process[28]图4 (a)采用FIB组装的LCO/LLZO/Au纳米电池;(b)使用GPA方法着色的脱锂LiCoO2阴极的HAADF显微照片;(c)相干孪晶和反相畴界的STEM-ABF和HAADF显微照片[23];(d)充放电过程中LiCoO2/SE界面周围的电势分布[28] |