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锂电池的电解液添加剂有哪些?

锂电池的电解液添加剂有哪些?

锂电(dian)(dian)池(chi)的(de)电(dian)(dian)解(jie)液添(tian)加剂(ji)(ji)有哪些:1、成(cheng)膜添(tian)加剂(ji)(ji)优异的(de)SEI膜具有有机溶(rong)剂(ji)(ji)不耐受性,允许锂离子电(dian)(dian)池(chi)的(de)离子在溶(rong)剂(ji)(ji)分(fen)子无(wu)(wu)法通过的(de)情况下自由(you)进(jin)出(chu)电(dian)(dian)极,从而防止(zhi)了溶(rong)剂(ji)(ji)分(fen)子的(de)共插入对电(dian)(dian)极的(de)破坏,并提高电(dian)(dian)池(chi)的(de)循环效率和可逆(ni)容(rong)量。主要分(fen)为无(wu)(wu)机成(cheng)膜助(zhu)剂(ji)(ji) (SO2、CO2、

2022-11-07

锂电池电解液类型介绍

锂电池电解液类型介绍

锂(li)(li)电池(chi)电解(jie)液(ye)类型介(jie)绍:1、锂(li)(li)电池(chi)的液(ye)体电解(jie)液(ye)锂(li)(li)电池(chi)电解(jie)液(ye)的选择对锂(li)(li)离子电池(chi)的性(xing)能影响(xiang)很大。它必须具(ju)有(you)良好(hao)的化学(xue)稳(wen)定性(xing),特别是在(zai)较高电位和较高温度的环境中,不易(yi)分解(jie),具(ju)有(you)较高的离子电导率(lv) (C10-3scm),并且阳极和阴(yin)极材料必须是惰(duo)性(xing)的,不能侵占它

2022-11-07

低温锂电池的应用

低温锂电池的应用

低(di)(di)温(wen)锂(li)(li)电(dian)(dian)池是针(zhen)对化学电(dian)(dian)源(yuan)性能固有的(de)低(di)(di)温(wen)缺陷而专门开(kai)发的(de)专用电(dian)(dian)池。低(di)(di)温(wen)锂(li)(li)电(dian)(dian)池采(cai)用创新的(de)设计(ji)理念,采(cai)用先进的(de)配方系(xi)(xi)统和材料(liao),严(yan)谨的(de)制造工(gong)艺(yi)和方法(fa),克服(fu)了多(duo)个(ge)技术瓶颈,开(kai)发了低(di)(di)温(wen)锂(li)(li)电(dian)(dian)池系(xi)(xi)列产品。低(di)(di)温(wen)锂(li)(li)电(dian)(dian)池的(de)应用分类低(di)(di)温(wen)锂(li)(li)电(dian)(dian)池采(cai)用比表面积为 (2000 5

2022-11-04

锂电池电解液配方组成及性能

锂电池电解液配方组成及性能

锂电(dian)(dian)池(chi)电(dian)(dian)解(jie)液配方中常用的(de)溶(rong)剂(ji)(ji)有二(er)甲基甲酰胺、y-丁(ding)内(nei)酯、乙(yi)二(er)醇(chun)、丙三醇(chun)、水(shui)等。二(er)甲基甲酰胺是军用锂电(dian)(dian)池(chi)电(dian)(dian)容(rong)(rong)器(qi)的(de)溶(rong)剂(ji)(ji),具有宽的(de)工作温度范围。在亚洲,使(shi)用y-丁(ding)内(nei)酯作为(wei)电(dian)(dian)解(jie)质的(de)溶(rong)剂(ji)(ji)也很受欢迎(ying)。它主(zhu)要用于低(di)压小型电(dian)(dian)容(rong)(rong)器(qi)。使(shi)用这种(zhong)溶(rong)剂(ji)(ji)作为(wei)主(zhu)要溶(rong)剂(ji)(ji)的(de)电(dian)(dian)容(rong)(rong)器(qi)具有

2022-11-04

锂电池陶瓷隔膜的优缺点

锂电池陶瓷隔膜的优缺点

锂电池陶(tao)(tao)瓷隔膜采用陶(tao)(tao)瓷颗粒包覆(fu),即以PP、PE或(huo)多层复合隔膜为基体,表面包覆(fu)一层Al203、SiO2、Mg (OH)2或(huo)其他优异的耐(nai)热(re)性(xing)无(wu)机(ji)陶(tao)(tao)瓷颗粒经特(te)殊工艺(yi)处(chu)理(li)后与(yu)基材紧密(mi)结合,使有机(ji)物(wu)的柔韧(ren)性(xing)和(he)无(wu)机(ji)物(wu)的热(re)稳定性(xing)稳定结合,提高隔膜的耐(nai)高温性(xing)、耐(nai)热(re)收

2022-11-03

锂电池是硅基负极材料好还是碳负极材料好?

锂电池是硅基负极材料好还是碳负极材料好?

锂(li)离(li)子电(dian)(dian)池(chi)的(de)(de)(de)容量(liang)由正极(ji)材(cai)料(liao)(liao)的(de)(de)(de)活(huo)性(xing)锂(li)离(li)子和负极(ji)材(cai)料(liao)(liao)嵌入和脱锂(li)的(de)(de)(de)能(neng)力(li)决定(ding)。正负极(ji)在(zai)各种(zhong)环境下的(de)(de)(de)稳定(ding)性(xing)决定(ding)了电(dian)(dian)池(chi)的(de)(de)(de)性(xing)能(neng),甚至严重影(ying)响了电(dian)(dian)池(chi)的(de)(de)(de)安全(quan)性(xing)。因此,电(dian)(dian)极(ji)的(de)(de)(de)性(xing)能(neng)在(zai)一定(ding)程度上决定(ding)了锂(li)离(li)子电(dian)(dian)池(chi)的(de)(de)(de)整体性(xing)能(neng)。目前,商用(yong)锂(li)离(li)子电(dian)(dian)池(chi)负极(ji)材(cai)料(liao)(liao)主要为(wei)石(shi)墨基碳(tan)负极(ji)材(cai)料(liao)(liao),

2022-11-03

方形锂电池的简要介绍

方形锂电池的简要介绍

方形(xing)(xing)(xing)锂电池(chi)通(tong)常指(zhi)铝(lv)壳(qiao)或(huo)钢壳(qiao)方形(xing)(xing)(xing)电池(chi)。方形(xing)(xing)(xing)锂电池(chi)在中国(guo)的(de)(de)普及率很高(gao)(gao)。随着近年(nian)来汽车(che)动力电池(chi)的(de)(de)兴起,汽车(che)续航里程(cheng)与电池(chi)容量(liang)之(zhi)间的(de)(de)矛盾日益突出。国(guo)内动力锂电池(chi)厂家多采(cai)用电池(chi)能(neng)量(liang)密度较(jiao)高(gao)(gao)的(de)(de)方形(xing)(xing)(xing)铝(lv)壳(qiao)锂电池(chi),因(yin)为方形(xing)(xing)(xing)锂电池(chi)的(de)(de)结构(gou)比较(jiao)简单,不像圆柱锂电池(chi)采(cai)用高(gao)(gao)强度

2022-11-02

稀土锂电池怎么样?

稀土锂电池怎么样?

稀(xi)(xi)土(tu)(tu)(tu)(tu)锂电(dian)(dian)池(chi)(chi)(chi)的(de)(de)发明(ming)和应用(yong),使(shi)电(dian)(dian)动汽车电(dian)(dian)池(chi)(chi)(chi)市场展开(kai)(kai)了(le)一场轰(hong)轰(hong)烈烈的(de)(de)稀(xi)(xi)土(tu)(tu)(tu)(tu)争(zheng)夺战。什么(me)是(shi)稀(xi)(xi)土(tu)(tu)(tu)(tu)锂电(dian)(dian)池(chi)(chi)(chi)?稀(xi)(xi)土(tu)(tu)(tu)(tu)锂电(dian)(dian)池(chi)(chi)(chi)的(de)(de)优缺点是(shi)什么(me)?稀(xi)(xi)土(tu)(tu)(tu)(tu)锂电(dian)(dian)池(chi)(chi)(chi)是(shi)由(you)电(dian)(dian)池(chi)(chi)(chi)开(kai)(kai)发的(de)(de)一种(zhong)新(xin)型能(neng)源电(dian)(dian)池(chi)(chi)(chi)产品(pin)。它是(shi)聚合(he)物锂电(dian)(dian)池(chi)(chi)(chi)的(de)(de)升级产品(pin)。这种(zhong)全密(mi)封、免维护的(de)(de)稀(xi)(xi)土(tu)(tu)(tu)(tu)电(dian)(dian)池(chi)(chi)(chi)具有绿(lv)色环保、高容量、智(zhi)能(neng)化的(de)(de)

2022-11-02

电动车用锂电池替代铅酸电池的方法

电动车用锂电池替代铅酸电池的方法

众(zhong)所周知(zhi),国家提倡绿色可持续发展(zhan)。电动(dong)(dong)(dong)汽(qi)车(che)(che)行业新国标出台后(hou),电动(dong)(dong)(dong)汽(qi)车(che)(che)的各项标准(zhun)都有严(yan)格的规定,尤(you)其是(shi)电动(dong)(dong)(dong)车(che)(che)电池使用锂电池,这(zhei)意(yi)味着电动(dong)(dong)(dong)汽(qi)车(che)(che)的检(jian)测将更加严(yan)格。另一方面(mian),企业也需要具备3C认证(zheng)和电动(dong)(dong)(dong)摩(mo)托车(che)(che)资质(zhi)。整(zheng)体(ti)来(lai)说,以(yi)锂电池取(qu)代(dai)电动(dong)(dong)(dong)汽(qi)车(che)(che)的铅酸(suan)电池是(shi)比(bi)

2022-11-01
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