Preparing high-performance LiMnPO 4 is still a large obstacle due to its sluggish electrochemical kinetics. To overcome this problem, a novel method is developed for LiMnPO 4 /C nanoplates from nanoporous Mn 2 O 3 precursors. There are two advantages. Firstly, through negative pressure immersion, lithium dihydrogen phosphate (LiH 2 PO 4 ), lithium hydroxide (LiOH) and sucrose (C 12 H 22 O 11 ) are deposited on the surface of porous Mn 2 O 3 nanosheets. Following solid-state reaction, three dimensional continous conductive carbon wrapped LiMnPO 4 /C nanoplates up uniformly, which improved the conductivity greatly. Secondly, (010) exposed facets are obtained using Mn 2 O 3 hierarchical microspheres as precursors, which allows for a fast transmission of Li + ion to improve the rate capability. As a results, as-synthesized L-Mn 2 O 3 -LMP/C samples exhibit a superior rate performance with discharge capacities of 157.3 mA h g -1 at C/20, 122.6 mA h g -1 at 1 C, and 105.8 mA h g -1 at 2 C. Meanwhile, they can retain 99.3% of the initial capacity after 100 cycles at 1C, revealing an excellent cycling stability. This method shields more light on the fabrication of high-performance LiMnPO 4 /C cathode materials and is suitable for large scale production.

The structure of yolk–shell microspheres is attractive because it exhibits excellent structural stability during lithiation; monodispersed crumpled yolk–shell spherical precursors of LiNi0.8Co0.15Al0.05O2were obtainedviaa general and simple supersonic atomization method.