中南大学学报（自然科学版）2012，Vol.43Issue(11)：4248-4252,5.
正极材料LiNi0.5Mn1.5O4的制备与性能
Synthesis and performance of LiNi0.5Mn1.5O4 cathodes
摘要
Abstract
LiNi0.5Mn1.5O4was synthesized by different sinter methods at high temperature with Ni0.25Mn0.75(OH)2, which was synthesized by co-deposition. The sample was characterized by XRD and SEM. The results indicate that LiNi0.5Mn1.5O4 synthesized by two-step and three-step have pure spinel structure and regular geometrical shape. The first-cycle discharge capacities are 130 and 139 mA-h/g, and the discharge capacities at 5C are 93 and 120 mA-h/g, respectively. The capacity retentions are 96.5% and 97.5% after 80 cycles, respectively. The polarization of two-step prepared sample is larger than that of three-step prepared sample.关键词
LiNi0.5Mn1.5O4/烧结制度/电化学性能/循环伏安Key words
LiNi0.5Mn1.5O4/ sinter method/ electrochemical performance/ cyclic voltammetry分类
信息技术与安全科学引用本文复制引用
刘云建,刘志远,陈效华,陈龙..正极材料LiNi0.5Mn1.5O4的制备与性能[J].中南大学学报（自然科学版）,2012,43(11):4248-4252,5.基金项目
江苏省自然科学基金资助项目(BK2011530),江苏大学高级人才启动基金资助项目(10JDG041) （BK2011530）
