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Structural and Electrochemical Characteristics of Lithiated Manganese Oxides |
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| Authors: | Smirnov S E Zhorin V A Sivtsov A V Yashtulov N A Ogorodnikov A A |
| Institution: | (1) Moscow Power Engineering Institute (Engineering University), ul. Krasnokazarmennaya 17, Moscow, 111250, Russia;(2) Semenov Institute of Chemical Physics, Russian Academy of Sciences, ul. Kosygina 4, Moscow, 117977, Russia;(3) Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of Sciences, Staromonetnyi per. 35, Moscow, 109017, Russia |
| Abstract: | An LiMn2O4 spinel of a poorly ordered structure is produced by subjecting MnO2 + LiOH and MnO2 + LiOH + 5 wt % Cr2O3 mixtures to plastic deformation at 1–2 GPa and then annealing them at 400°C. The size of individual particles is 10–100 nm. Cathodes based on chromium-modified spinels have a higher stability and a longer shelf life. |
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