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dc.contributor.advisor李君涛
dc.contributor.author巫展宇
dc.date.accessioned2018-12-05T01:32:55Z
dc.date.available2018-12-05T01:32:55Z
dc.date.issued2018-04-10
dc.identifier.urihttps://dspace.xmu.edu.cn/handle/2288/169427
dc.description.abstract硅在众多锂离子电池负极材料中具有最高的理论比容量、较低的嵌脱锂电位和丰富的自然储量,有望在新一代高比能量锂离子电池中得到商业化应用。然而硅在充放电过程的较大体积变化会严重影响电极循环稳定性。本论文通过改性提升粘结剂机械强度以及开发新型粘结剂,缓解其体积效应,从而提高硅负极循环性能。论文研究的主要结果如下: (1)通过海藻酸钠与金属离子的配位交联反应制备出一系列复合粘结剂,并将这些粘结剂首次用于锂离子电池硅负极。其中使用Al3+、Ba2+离子与海藻酸钠复合获得的粘结剂表现出较高的机械强度,使用这两种粘结剂的电极在420mAg-1电流密度下经300次循环后保持的可逆容量约为2100mAhg-1;...
dc.description.abstractSi is a promising anode material for next-generation high energy density lithium-ion batteries due to its high theoretical capacity, relatively low Li+ insert potential and nature abundance. However, Si anode has unstable cycle performance because of the huge volume change during charge/discharge processes. In this study, we have tried to improve the electrochemical properties of Si anode by prepa...
dc.language.isozh_CN
dc.relation.urihttps://catalog.xmu.edu.cn/opac/openlink.php?strText=60062&doctype=ALL&strSearchType=callno
dc.source.urihttps://etd.xmu.edu.cn/detail.asp?serial=60352
dc.subject海藻酸
dc.subject硅负极
dc.subject粘结剂
dc.subject天然高分子
dc.subjectHydrogel alginate
dc.subjectSi anode
dc.subjectBinder
dc.subjectNatural polymers
dc.title锂离子电池硅负极水性粘结剂的制备和电化学性能研究
dc.title.alternativePreparing of Aqueous Binders of Si Anode for Lithium Ion Battery and their Electrochemical Performances
dc.typethesis
dc.date.replied2017-05-19
dc.description.note学位:工学硕士
dc.description.note院系专业:能源学院_能源化工
dc.description.note学号:32420141152240


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