Direct Observation of a Metastable Crystal Phase of Li<sub><i>x</i></sub>FePO<sub>4</sub> under Electrochemical Phase TransitionYuki Orikasa, Zempachi Ogumi, Yoshiharu Uchimoto et al.|Journal of the American Chemical Society|2013Cited by 214
Transient Phase Change in Two Phase Reaction between LiFePO<sub>4</sub> and FePO<sub>4</sub> under Battery OperationYuki Orikasa, Zempachi Ogumi, Takehiro Maeda et al.|Chemistry of Materials|2013Cited by 147
Phase Transition Analysis between LiFePO<sub>4</sub>and FePO<sub>4</sub>by In-Situ Time-Resolved X-ray Absorption and X-ray DiffractionYuki Orikasa, Zempachi Ogumi, Takehiro Maeda et al.|Journal of The Electrochemical Society|2013Cited by 59
Hidden Two-Step Phase Transition and Competing Reaction Pathways in LiFePO<sub>4</sub>Yukinori Koyama, Zempachi Ogumi, Takeshi Uyama et al.|Chemistry of Materials|2017Cited by 35
Kinetically asymmetric charge and discharge behavior of LiNi <sub>0.5</sub> Mn <sub>1.5</sub> O <sub>4</sub> at low temperature observed by in situ X-ray diffractionIkuma Takahashi, Zempachi Ogumi, Haruno Murayama et al.|Journal of Materials Chemistry A|2014Cited by 13