钾离子电池锰基层状氧化物正极的研究进展

韩文哲, 赖青松, 高宣雯, 骆文彬

Advances toward manganese-based layered oxide cathodes for potassium-ion batteries

Wenzhe HAN, Qingsong LAI, Xuanwen GAO, Wenbin LUO

图2 (a) O3-A1-x MeO2 、P3-A1-x MeO2 和P2-A1-x MeO2(A=K)晶体结构示意图[11]；(b) M轨道和配体轨道之间的能带结构[24]；(c) O 2p对应的三种阴阳离子氧化还原情况[24]

Fig. 2 (a) Schematic illustrations of the crystal structures of O3-A1-x MeO2, P3-A1-x MeO2, and P2-A1-x MeO2(A=K)[11]; (b) Band structures between the M and ligand orbitals[24]; (c) O 2p nonbonding states and three cases of cationic and anionic redox[24]