电池2011，Vol.41Issue(5)：239-242,4.
5V正极材料LiNi0.5Mn1.5O4的自蔓延燃烧合成
Self-propagation combustion synthesis of 5 V cathode material LiNi0.5Mn1.5O4
摘要
Abstract
5 V cathode material LiNio.5Mn1.5O4 was synthesized by citric acid assisted self-propagation combustion method. The effects of calcining temperature and annealing time on the material were studied by XRD, SEM and electrochemical tests. The sample synthesized under the optimum condition (calcining temperature was 820 ℃,annealing time was 24 h) had complete spinel structure and morphology, it had a single voltage plateau at 4.7 V. When charged-discharged at3.5～5.1 V with 0.2 C under 20 ℃, the initial specific discharge capacity was 122.7 mAh/g, the capacity retention was 96.9% at the 20th cycle.关键词
正极材料/焙烧/退火/柠檬酸络合物/自蔓延燃烧反应Key words
cathode material/ calcining/ annealing/ citric acid complex/ self-propagation combustion reaction分类
信息技术与安全科学引用本文复制引用
张真,张峥,刘宏基,刘兴泉..5V正极材料LiNi0.5Mn1.5O4的自蔓延燃烧合成[J].电池,2011,41(5):239-242,4.基金项目
国家自然科学基金项目(21071026),电子科技大学杰出人才引进项目(Y02002010201026),河南省新乡市群力电源材料有限公司与新乡市天力能源材料有限公司项目(H04010301W0309113) （21071026）
