氧化物熔融浸渍法包覆LiNi0.4Co0.2Mn0.4O2的电化学性能研究
양화물용융침지법포복LiNi0.4Co0.2Mn0.4O2적전화학성능연구
Research on Electrochemical Properties of Metal Oxides Coated LiNi0.4 Co0.2 Mn0.4 O2 by Melting Impregnation
  • 万方数据
    材料导报 재료도보
    MATERIALS REVIEW
    2008年 z1期 258-260,263 ,共4页

    张进%曹高劭%涂江平%赵新兵

    장진%조고소%도강평%조신병

    LiNi0.4Co0.2Mn0.4O2%锂离子电池%正极材料%熔融浸渍法%氧化物包覆 LiNi0.4Co0.2Mn0.4O2%鋰離子電池%正極材料%鎔融浸漬法%氧化物包覆
    LiNi0.4Co0.2Mn0.4O2%리리자전지%정겁재료%용융침지법%양화물포복
    以提高锂离子电池正极材料LiNi0.4Co0.2Mn0.4O2的循环性能为目的,采用熔融浸渍法制备了Al2O3和ZnO表面包覆的LiNi0.4Co0.2Mn0.4O2正极材料.微观组织结构分析结果表明,包覆后LiNi0.4Co0.2Mn0.4O2颗粒表面形成了一层厚度不均匀的纳米氧化物.电化学测试表明,ZnO和Al2O3包覆提高了材料的循环稳定性,在1C恒流充放电循环50次后容量保持率由包覆前的79.7%分别提高到88.4%和100%.
    이제고리리자전지정겁재료LiNi0.4Co0.2Mn0.4O2적순배성능위목적,채용용융침지법제비료Al2O3화ZnO표면포복적LiNi0.4Co0.2Mn0.4O2정겁재료.미관조직결구분석결과표명,포복후LiNi0.4Co0.2Mn0.4O2과립표면형성료일층후도불균균적납미양화물.전화학측시표명,ZnO화Al2O3포복제고료재료적순배은정성,재1C항류충방전순배50차후용량보지솔유포복전적79.7%분별제고도88.4%화100%.
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