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6 (a) Na_0.7Mg_0.05[Mn_0.6Ni_0.2Mg_0.15]O₂的原位XRD图^[77]；(b) Na_2/3Mn₁_-_yMg_yO₂ (y=0.0, 0.05 and 0.1) 化合物的电化学曲线^[46]；(c) Na_0.66Li_0.18Fe_0.12Mn_0.7O₂电极中锂的核磁共振谱（NMP）^[32]；(d)～(e) Zn取代的Na_xMnO₂电极的原位XRD表征及相应的晶格参数c演变^[79]

Fig.6 (a) in-situ XRD patterns of the Na_0.7Mg_0.05[Mn_0.6Ni_0.2Mg_0.15]O₂^[77]; (b) electrochemical profiles of the Na_2/3Mn₁_-_yMg_yO₂ (y=0.0, 0.05 and 0.1) compositions^[46]; (c) ⁷Li NMR spectra of Na_0.66Li_0.18Fe_0.12Mn_0.7O₂ electrode^[32]; (d)～(e) in-situ XRD characterization and corresponding lattice parameter c evolutions of Zn-Substituted Na_xMnO₂ electrode^[79]