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时间:2019-06-28
《世韩IFR18650EC负极》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、世韩IFR-18650EC负极分析20090316一.分析项目极片尺寸极片黑白度极片厚度极片涂敷量极片粘结力SEM&EDS1.极片尺寸对比世韩极片尺寸由极组拆开测得,所以间隔尺寸没法测量,只有第一面和第二面涂敷长度,共测量5个极组。力神极片尺寸由检验记录查询得到。第一面第二面666615666615666615666615666615由于取样数量的限制,无法进行分析。但从测得数值来看,世韩负极尺寸相当稳定。力神负极存在一定的波动。第一面第二面664615664616665615665615664616世韩负极力神负极2.极片黑白度对比碾压前碾压后64.994.666.298.
2、964.797.566.696.666.197.168.79567.395.866.79864.195.867.691.4黑白度测试对碾压前和碾压后极片进行测试,方便对比。两种负极碾压前后黑白度变化都较大世韩负极碾压前碾压后62.581.362.881.163.181.962.282.463.281.462.882.362.781.862.882.162.281.562.181.6力神负极3.极片碾压厚度对比①②③④⑤⑥取样方法:分别从上中下,左中右位置拉取小条,分别检测厚度和涂敷量。1158158151154158154158157155157158158215615415
3、41581511551531571551561561573157153153153157157155152156157153153415515215315615415815715515515715215251551541541501561551561551551551541556156151154157155153152157155156155152世韩极片碾压前厚度碾压前极片厚度均值:155μ世韩极片碾压后厚度11009796981009896100989797952101101971001001009910199981009839696959795969995961009
4、69749899981009899979598969696510096979810097999896959497610198999796971009698979797碾压后极片厚度均值:98μ碾压厚度标准:103±4μ横向极差:第一条5μ,第二条4μ,第三条5μ纵向极差:第一条5μ,第二条6μ,第三条5μ碾压压缩比率:(155-98)/155*100%=36.77%116516416516616516521651661641651651653164165165166165164力神极片碾压前厚度碾压前极片厚度均值:165μ110010110210310210210110099
5、9910010021011011031021021031041021001011001023991009910110310410310210210110099力神极片碾压后厚度碾压后极片厚度均值:101μ碾压厚度标准:103±4μ纵向极差:第一条3μ,第二条4μ,第三条5μ碾压压缩比率:(165-101)/165*100%=38.79%4.极片涂敷量对比10.17510.1750.17520.17530.17520.17480.17490.17550.17530.17540.175420.17460.17480.17490.17480.17490.17480.17430.17
6、460.17480.1750.175230.17630.17540.17580.17560.17520.17540.1750.17510.17550.17530.175840.17480.17550.17560.17530.17490.17470.17490.17440.17430.17510.174950.17570.1760.17580.17540.17570.17510.17560.17520.17550.17550.175660.17560.17550.17550.17540.17530.17480.17530.17530.17530.17560.1759世韩极片碾压
7、前涂敷量极片碾压前涂敷量均值:0.1752横向极差:第一条0.0006,第二条0.0009,第三条0.0013纵向极差:第一条0.0013,第二条0.0009,第三条0.0011世韩极片碾压后涂敷量10.17510.17440.17480.17460.17410.17460.17450.17490.17460.17460.174620.17510.1750.17480.17510.17510.17510.17510.17460.17470.17490.174730.17460.17440.17440.1
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