Publisher : The Korean Institute of Electrical and Electronic Material Engineers
DOI : 10.4313/JKEM.2016.29.5.298
Title & Authors
Electrochemical Properties of LiMn2O4-LiNi1/3Mn1/3Co1/3O2 Cathode Materials in Lithium Secondary Batteries Kong, Ming Zhe; Nguyen, Van Hiep; Gu, Hal-Bon;
In this work, and cathode materials are mixed by some specific ratios to enhance the practical capacity, energy density and cycle performance of battery. At present, the most used cathode material in lithium ion batteries for EVs is spinel structure-type . has advantages of high average voltage, excellent safety, environmental friendliness, and low cost. However, due to the low rechargeable capacity (120 mAh/g), it can not meet the requirement of high energy density for the EVs, resulting in limiting its development. The battery of (50:50 wt%) mixed cathode delivers a energy density of 483.5 mWh/g at a current rate of 1.0 C. The accumulated capacity from to 150th cycles was 18.1 Ah/g when the battery is cycled at a current rate of 1.0 C in voltage range of 3.2~4.3 V.