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学号：毕业论文GRADUATETHESIS论文题目：水性锂电池粘合剂应用研究学生姓名：专业班级：学院：指导教师：2015年05月25日摘要-I-摘要锂离子电池在现代新能源中扮演着越来越重要的角色，在目前商品化锂离子电池中，粘合剂主要是PVDF,但是PVDF需要油性溶剂NMP，有机溶剂易挥发会严重污染环境，成本比较高，并且毒性特别大，会严重影响生产车间工人的身体健康。水性粘合剂具有无溶剂释放，绿色环保并且成本比较低，水性粘合剂符合锂电行业发展方向。锂电池生产需要一定的生产工艺，优异的生产工艺可以制备出性能最佳的的锂电池。锂电池的制备不但需要最佳的物料配比，优化锂电池的正极和负极的导电物质与辅助物质的，从而使锂电池到达最优的容量，更高的寿命以及较好的充放电效率；还需要合理的操作工艺，以消除不必要的人为或环境带给实验的影响。优异的锂电池需要一整套的检测装置进行检验，包括循环寿命、阻抗、充放电平台及充放电效率等，只有各方面都合格后才能到达消费者的要求，投入市场。关键词锂电池；水性粘合剂；电池制备；电池检测Lithiumbatteryinthemodernnewenergyplaysamoreandmoreimportantrole,inthecommercializationoflithiumionbattery,thebinderisPVDF,butPVDFneedoilysolventNMPandorganicsolventsarevolatilewillseriouslypollutetheenvironment,thecostisrelativelyhigh,andthetoxicityisparticularlylarge,willseriouslyaffecttheproductionworkshopworkershealth.Water-basedadhesivehastheadvantagesofnosolventrelease,greenenvironmentalprotectionandthecostislow,water-basedadhesivewithlithiumindustrydevelopmentdirection.Theproductionoflithiumbatteryrequiresacertainproductiontechnology.Thebestproductiontechnologycanpreparethebestperformanceofthelithiumbattery..Lifeoflithiumionbatterypreparationnotonlyneedbestmaterialratio,optimizationoftheanodeandthecathodeofthelithiumbatteryconductivematerialandauxiliarymaterial,sothatthelithiumbatterytoreachtheoptimalcapacity,higherandbetterchargedischargeefficiency;alsoneedtoreasonableoperationprocess,toeliminateunnecessaryhumanorenvironmentalbringexperiment.Excellentlithiumbatteryneedsasetofdetectiondeviceforinspection,includingthecyclelife,impedance,chargeanddischargeplatformandchargedischargeefficiency,onlyallarequalifiedtoreachconsumersrequirements,intothemarket.华北理工大学信息学院-II-Keywordslithiumbattery；waterbinder；batterypreparation；batterydetection目录-III-目录摘要.............................................................................................................................IAbstract..........................................................................................................................................II第1章绪论..................................................................................................................11.1锂电池的简史.....................................................................................................11.1.1锂电池的发展................................................................................................11.1.2锂电池的现状...............................................................................................11.1.3水性锂电池粘合剂的研究背景...................................................................21.2锂电池的工作原理.............................................................................................31.3.本课题的来源......................................................................................................51.4本文主要内容......................................................................................................61.5本章小节.............................................................................................................7第2章锂电池的结构组成研究..................................................................................82.1组卷算法理论......................................................................................................82.1.1随机选取法和回溯试探法............................................................................82.1.2遗传算法.......................................................................错误!未定义书签。2.2在线考试系统的组卷算法.................................................................................92.2.1组卷算法的确定...........................................................................................92.2.2组卷参数定义..............................................................................................102.2.3基于遗传算法的组卷算法设计.................................................................102.3题库基础理论...................................................................................................102.3.1题库发展.....................................................................................................102.3.2题库的概念.................................................................................................112.3.3题库的特征.................................................................................................112.3.4题库的建设理论..........................................................................................112.3.5题库建设步骤..............................................................................................122.4在线考试系统的题库建设方案.......................................................................122.4.1在线考试系统的题库建设步骤.................................................................122.4.2题库管理系统框架.....................................................................................122.4.3题库管理设计方案.....................................................................................132.5本章小结............................................................................................................13第3章在线考试系统的需求分析和设计................................................................143.1系统需求分析.....