Surface modification by ZnO coating for improving the elevated temperature performance of LiMn2O4

Improvement of the high-rate discharge capability of phosphate-doped spinel LiMn2O4 by a hydrothermal method

“…The products are usually irregular in morphology with a broad distribution in particle size [6]. To overcome the disadvantages of solid-state reaction, some soft-chemistry methods, such as sol-gel [7], Pechini [8], co-precipitation [9], melt-impregnation [10] and spray-drying [11], have been developed. The homogeneous spinel materials with smaller particle size were synthesized by these methods, followed by a high temperature heat treatment.…”

A review of recent developments in the surface modification of LiMn2O4 as cathode material of power lithium-ion battery

“…The coated oxides include nano-SiO 2 [14], MgO [15,16], ZnO [17][18][19][20], CeO 2 [21], ZrO 2 [22,23], Al 2 O 3 [23,24], and Co-Al mixed metal oxide [25]. The schematic diagram of the metal oxide coating LMO procedure can be shown in Fig.…”

Improvement of cycling performance in Ti substituted 0.5Li2MnO3–0.5LiNi0.5Mn0.5O2 through suppressing metal dissolution

“…Many efforts have been paid to suppress the transition metal ions dissolution or side reaction on the graphite surface [27e30]. Among them, surface protection seemed to be affective strategy [27,28] in LiMn 2 O 4 spinel system. In these cases, it is hard to form uniform protection surface due to the difficulty in controlling the procedure.…”