Synthesis of MnO@C core–shell nanoplates with controllable shell thickness and their electrochemical performance for lithium-ion batteries

Facile Synthesis of Porous MnO Microspheres for High‐Performance Lithium‐Ion Batteries

“…Novel nanostructures of MnO powder have aroused the interest because of their large specifi c surface area and the short electronic and ionic transport length as anode materials. [ 7,8 ] For example, Liu et al synthesized nanostructured MnO/C composite by thermally treating the mixture of MnCO 3 and sucrose, which delivered a reversible capacity of about 470 mA h g −1 at a current density of 75 mA g −1 after cycling 50 times. [ 9 ] Su et al prepared hierarchical MnO@C nanorods through a two-step hydrothermal treatment and subsequent sintering at 600 °C, which exhibited a reversible capacity of 481 mA h g −1 after 50 cycles at a current density of 200 mA g −1 .…”

Integration of MnO@graphene with graphene networks towards Li-ion battery anodes

“…Two intrinsic problems exist, however, for MnO-based anodes, low electrical conductivity and large volume changes during battery cycling, which lead to low coulombic efficiency and cyclability. To solve these problems, much effort has been devoted to constructing MnO@C coreshell composites, [14][15][16][17][18][19] MnO/graphene composites, [20][21][22][23] and MnO/ carbon composites, [24][25][26][27][28][29] which could potentially accommodate the volume changes. Core-shell structures hardly suppress the volume changes in anodes during battery cycling.…”

Selective Magnetic Evolution of MnxFe1–xO Nanoplates

“…These plates are used as precursors for the multistep synthesis of MnO@C core-shell NPs. 42 In another study, Fe 3 O 4 /MnO 2 plates were prepared in one step by hydrothermal method at 90 °C, but the phase of MnO 2 is amorphous and thus limits their utilities. 10 Synthetic method of MnO plates 41 was modified by conducting the reaction for 2.5 hours rather than 15 minutes at 200 °C.…”