Effect of the Cooling Process on the Structure and Charge/Discharge Cycling Performance in Li[Li0.20Mn0.58Ni0.18Co0.04]O-2 Li-rich Solid-Solution Layered Oxide Cathode Materials for Li-Ion Battery
ECS Transactions(2018)
Abstract
In this study, the cooling conditions for calcinated lithium-rich solid-solution layered oxide materials (LLOs) of Li[Li0.20Mn0.58Ni0.18Co0.04]O-2 were examined to determine the cooling conditions and crystal structure that produce a high and stable charging/discharging cathode capacity for LLOs. The crystal structures of LLO samples which were quenched in liquid nitrogen, cooled in air at room-temperature and at a controlled cooling rate of 100 degrees C h(-1) in a furnace were evaluated via powder X-ray diffractometry (pXRD) experiments and transmission electron microscopy (TEM). The evaluated crystal structures of the LLOs were related to the charging/discharging cycle cathode performance.
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Key words
battery,oxide,li-rich,solid-solution,li-ion
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