石墨烯直接用作锂离子电池负极活性材料分析研究 化学工程专业VIP免费

摘要石墨烯是单原子层紧密堆积的一种特殊石墨材料，在电学、热学、力学等方面具有独特的构造和优良的功能，可以发挥其重要的作用。因为石墨烯具有较高的电导率、超大的比表面积、高的化学稳定性等优良的化学和物理特性，所以它在锂离子电池材料中的研究引起了人们的广泛关注。文章不仅综述了石墨烯的结构和制备工艺以及改性方法，而且介绍了石墨烯作为锂离子电池材料的最新研究进展，还分析了石墨烯各制备和改性方法对锂离子电池材料的影响，并对石墨烯在锂离子电池材料中应用的发展趋势进行了展望。关键词：石墨烯；锂离子电池材料；电化学AbstractGrapheneisasingleatomiclayerclosepackingofakindofspecialgraphitematerial,suchaselectrical,thermalandmechanicalaspectshasuniquestructureandexcellentperformance,canplayitsimportantrole.Becauseofpropertiesofhighelectricalconductivity,largesurfacearea,andchemicalstability,grapheneholdsgreatpromisingforpotentialapplicationsinelectrodematerialsforlithium-ionbattery,itisinthelithium-ionbatterymaterialsresearchhasattractedwidespreadattention.Articlesummarizesthemodificationofgrapheneandgrapheneisintroducedasanewresearchprogressofthelithiumionbatterymaterials,grapheneisanalyzedtheinfluenceofthepreparationandapplicationsofgrapheneinlithium-ionbatterymaterialdevelopmenttrendisprospected.KeyWords:graphene;themodificationofgraphene;lithium—ionbatterymaterial目录摘要..............................................................................................................................................IAbstract...........................................................................................................................................II1.课题的目的和意义.....................................................................................................................11.1课题的目的.......................................................................................................................11.2课题的意义.......................................................................................................................12.课题背景.....................................................................................................................................23.文献综述.....................................................................................................................................33.1石墨烯直接用作锂离子电池负极活性材料...................................................................33.2石墨烯在正极材料中的应用...........................................................................................44.本领域存在的问题.....................................................................................................................55．本课题主要研究内容...............................................................................................................66．研究方案...................................................................................................................................7参考文献.........................................................................................................................................91.课题的目的和意义1.1课题的目的近几年来，为了进一步实现可持续发展，锂离子电池受到人们的普遍关注，世界各国开始对环保的可再生新能源的运用和开发投入了非常大的科技技术和资金，而新能源材料的开发一直是能源研究领域的热点。近几年来，电子产业的发展非常迅速，电子产品的功能越来越多，手机、电脑等对电...