A new candidate Li-ion battery anode material, monoclinic M-Li₄Ti₅O₁₂, has been prepared for the first time by ion-exchange from monoclinic M-Na₄Ti₅O₁₂, and found to offer a stable electrochemical performance at rates of C/20 and 2C. The structural and electrochemical effects of transition metal M(III) doping of M-Na₄Ti₅O₁₂ and Li₄Ti₅O₁₂ have also been investigated. Doping was found to facilitate the synthesis of the M-Na₄Ti₅O₁₂ type structure, eliminating the need for strongly reducing conditions; increase the Na-ion content; and improve the stability in atmospheric conditions. Neutron powder diffraction and ex situ X-ray powder diffraction data collected at various points during electrochemical cycling reveal that phase changes in Li₄Ti₅O₁₂ proceed via a two-phase mechanism, in contrast to M-Na₄Ti₅O₁₂ which proceeds via a solid-solution mechanism.

一个新的候选锂离子电池的阳极材料，单斜晶M-栗₄的Ti ₅ ø ₁₂，已经通过从单斜晶M-Na离子交换首次制备₄的Ti ₅ ø ₁₂，并且发现其提供了一个稳定的电化学性能以C / 20和2C的速率。还研究了过渡金属M（III）掺杂M-Na ₄ Ti ₅ O ₁₂和Li ₄ Ti ₅ O ₁₂的结构和电化学效应。发现掺杂有助于M-Na ₄ Ti ₅ O ₁₂的合成类型结构，无需大幅减少条件；增加钠离子含量；并提高了在大气条件下的稳定性。在电化学循环期间在不同点收集的中子衍射和易地X射线粉末衍射数据显示了李该相位的变化₄的Ti ₅ ö ₁₂经由两相机制进行，而相比之下，M-的Na ₄的Ti ₅ ø ₁₂，其通过固溶机制进行。