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Peanut-like MnO@C core-shell composites with an internal carbon network (P-MnO@C) were prepared via an in situ synchronous graphitization and reduction process. These P-MnO@C composites exhibit high specific capacity and rate capability, good stability and excellent long-term cycling life for application in lithium ion batteries.

Lithium rich Li1.2Mn0.6Ni0.2O2 microspheres with a few mesopore and secondary microsphere have been successfully prepared, which could effectively shorten the Li+ migration length, and help a lot in improving the electrochemical performances.

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