Electrochemically Active LiCoO2 and LiNiO2 Made by Cationic Exchange under Hydrothermal Conditions D. Larcher, M. R. Palacín, G. G. Amatucci, J.‐M. Tarascon Journal of The Electrochemical Society, 1997 Low‐Temperature Synthesis of LiNiO2 : Reaction Mechanism, Stability, and Electrochemical Properties Dominique Larcher; Maria Rosa Palacín; Glenn G. Amatucci; J. M. Tarascon; N. Sac‐Epée; A. Audemer Journal of The Electrochemical Society, 1997