Effect of ball milling and electrolyte on properties of high-voltage LiNi_(0.5)Mn_(1.5)O_4 spinel

作     者：方海升 王志兴 尹周澜 李新海 郭华军 彭文杰 

作者机构：School of Metallurgical Science and Engineering Central South University Changsha 410083 China School of Chemistry and Chemical Engineering Central South University Changsha 410083 China 

出 版 物：《中国有色金属学会会刊：英文版》 (Transactions of Nonferrous Metals Society of China)

年 卷 期：2005年第15卷第6期

页      面：1429-1432页

核心收录：

学科分类：0808[工学-电气工程] 08[工学] 0806[工学-冶金工程] 0818[工学-地质资源与地质工程] 0815[工学-水利工程] 0805[工学-材料科学与工程（可授工学、理学学位）] 0813[工学-建筑学] 0703[理学-化学] 0814[工学-土木工程] 0702[理学-物理学] 

基　　金：ProjectsupportedbytheScientificResearchFoundationfortheReturnedOverseasChineseScholars,StateEducationMinistry ProjectsupportedbythePostdoctoralScienceFoundationofCentralSouthUniversity,China 

主　　题：蓄电池 球磨 电解液 电极 LiNi0.5 Mnl.5O4 尖晶石 

摘      要：Effect of ball milling and electrolyte on the properties of high-voltage LiNi0.5Mn1.5O4 was investigated. Ball milling has significant effect on the synthesis and property of LiNi0.5Mn1.5O4. The X-ray diffraction（XRD） patterns indicate that LiNi0.5Mn1.5O4 cant be synthesized without ball milling even calcined at 900℃. When synthesized with ball milling, LiNi0.5Mn1.5O4 almost exhibits only one plateau at around 4.7V. With the increase of ball milling time, the capacity of (LiNi0.5Mn1.5O4) increases, but the cycling performance is not highly affected. The （electrochemical） property of (LiNi0.5Mn1.5O4) highly depends on the electrolyte. The stable and high-voltage-resistant （electrolyte） is much beneficial to enhancement of electrochemical property of LiNi0.5Mn1.5O4, such as coulombic efficiency and cycling performance.