高比能二次电池正极材料的X射线谱学研究进展

陈淑媛, 程晨, 夏啸, 鞠焕鑫, 张亮

Research progress in the X-ray spectroscopy investigation of cathode materials for high-energy-density secondary batteries

Shuyuan CHEN, Chen CHENG, Xiao XIA, Huanxin JU, Liang ZHANG

图5 (a) MnHCMn电极在放电和充电状态下的Mn L3 边RIXS图和相应的RIXS计算[86]；(b) 激发能在Mn L边、发射能在Mn L边和O K边初始态NNMO的mRIXS图像[87]；(c) Li1.2Ni0.2Mn0.6O2 和Li1.2Ni0.2Ru0.6O2 电极在不同电荷状态下的O K边RIXS图[88]；(d) NMMCO和NMMO在不同电荷状态下的O K边RIXS和sPFY光谱[84]

Fig. 5 (a) Mn L3-edge RIXS maps and corresponding RIXS calculations on MnHCMn electrodes at the discharged and charged states[86]; (b) mRIXS images of pristine NNMO with excitation energy at Mn L-edge range, but with emission energy at Mn L-edge and O K-edge[87]; (c) O K-edge RIXS maps of a Li1.2Ni0.2Mn0.6O2 and Li1.2Ni0.2Ru0.6O2 electrodes at different states of charge[88]; (d) O K-edge RIXS and O-K sPFY spectra of NMMCO and NMMO at different states of charge[84]