钠离子电池层状氧化物正极：层间滑移，相变与性能

刘欢庆, 高旭, 陈军, 尹首懿, 邹康宇, 徐来强, 邹国强, 侯红帅, 纪效波

Layered oxide cathode for sodium ion batteries: Interlayer glide, phase transition and performance

Huanqing LIU, Xu GAO, Jun CHEN, Shouyi YIN, Kangyu ZOU, Laiqiang XU, Guoqiang ZOU, Hongshuai HOU, Xiaobo JI

图7 (a) Na_0.66Co_0.5Mn_0.5O₂电极的原位XRD图^[88]；(b) 2.0～4.4 V范围内，P2/O3/O1型Na_xNi_1/3Co_1/3Mn_1/3O₂的原位XRD图^[89]；(c) Na_2/3Ni_1/3_-_xFe_xTi_2/3O₂的原位XRD表征^[47]；(d) 2.5～4.0 V范围内，P2/O3型Na_xNi_0.2Fe_x_-_0.4Mn_1.2_-_xO₂原位XRD图^[90]

Fig.7 (a) in-situ XRD patterns of the Na_0.66Co_0.5Mn_0.5O₂ electrodes at various states^[88]; (b) in operando HEXRD patterns of P2/O3/O1-Na_xNi_1/3Co_1/3Mn_1/3O₂ cathodes within 2.0～4.4 V^[89]; (c) in-situ XRD characterization of Na_2/3Ni_1/3_-_xFe_xTi_2/3O₂ electrodes^[47]; (d) in-situ XRD patterns of P2/O3-Na_xNi_0.2Fe_x_-_0.4Mn_1.2_-_xO₂ over a voltage range of 2.5～4.0 V^[90]