锂离子电池正极材料锂锰氧的研制

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1、昆明理工大学硕士学位论文锂离子电池正极材料锂锰氧的研制姓名：姚耀春申请学位级别：硕士专业：有色金属冶金指导教师：戴永年;杨斌20030510垦堕型．!．查兰!坚：!：堂垡丝塞垫茎却增大，粒度小且分布范围窄的材料有利于键离子的扩散。在合成材料的同时，本文还对锂离子电池的组成和制作工艺进行了探讨，分析了制浆、涂布、装配、化成几个主要工序对电池性能的影响，还重点对锂离子电池正极各物质的配料进行了优化研究。结果表明，正极极片中PVDF粘接剂和乙炔黑导电剂的添加量只有适量的时候，正极极片的充放电性能才较好。本研究中PVDF粘结剂的添加量在7～10％，

2、乙炔黑导电剂的添加量在8％左右，正极极片的性能最佳。关键词：锂离子电池、正极材料、尖晶石LiMm0。II宣型堡竖生壁墅坠兰燮苎塑耋AbstractWiththerapiddevelopmentofelectronicfacilitiesaswellasenergyandenvironmentalconcerns，peopiehavemadehighdemandsonbatteries．Li—ionbatteriesarewidelyusedfortheirfavorableadvantagesofhighvoltage，bigspecifi

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8、materials．themethodofmechanicalac￡jvatioahasintroducedonthebasiSoftraditionalcalcinations