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循環次數和電池本身有關聯嗎?

2020/9/21 15:59:07??????點擊:

動(dong)(dong)力(li)電池(chi)(chi)(chi)作(zuo)為純電動(dong)(dong)汽車(che)的(de)"心臟",純電動(dong)(dong)汽車(che)的(de)關(guan)鍵在(zai)于動(dong)(dong)力(li)電池(chi)(chi)(chi)。對(dui)于動(dong)(dong)力(li)電池(chi)(chi)(chi)而言,動(dong)(dong)力(li)電池(chi)(chi)(chi)性能(neng)指(zhi)標,容(rong)量(liang),使用(yong)壽命等(deng),都是用(yong)來(lai)衡量(liang)電池(chi)(chi)(chi)的(de)性能(neng)指(zhi)標之一(yi),電池(chi)(chi)(chi)在(zai)長期使用(yong)過程(cheng)當中,電池(chi)(chi)(chi)容(rong)量(liang)等(deng)會隨著使用(yong)的(de)時間而降(jiang)低(di),作(zuo)為電池(chi)(chi)(chi)來(lai)說,循環次數和電池(chi)(chi)(chi)有什么關(guan)系?

循環(huan)次(ci)數指的(de)是(shi)電池在使用時候的(de)時間(jian)和次(ci)數,換句話來說那么也就是(shi)電池在充滿以(yi)后(hou)(hou),然后(hou)(hou)又把電池換光(guang)了,然后(hou)(hou)再(zai)充滿,在放(fang)(fang)光(guang),然后(hou)(hou)在充滿反復循環(huan)。對于動力(li)電池來說,一個完(wan)整(zheng)充放(fang)(fang)電過(guo)程才是(shi)一個循環(huan),根據這個東西來看,電池都是(shi)有循環(huan)次(ci)數的(de)。

根(gen)據三元鋰電(dian)(dian)(dian)池(chi)的(de)(de)使用(yong)壽(shou)命(ming)來說,電(dian)(dian)(dian)池(chi)的(de)(de)使用(yong)壽(shou)命(ming)是在(zai)(zai)1500到(dao)2000次左(zuo)右的(de)(de)循(xun)環(huan)(huan)次數(shu)(shu)(shu),而這一循(xun)環(huan)(huan)次數(shu)(shu)(shu),會(hui)隨著(zhu)電(dian)(dian)(dian)池(chi)在(zai)(zai)使用(yong)過(guo)程(cheng)當中(zhong)出(chu)現變少(shao)的(de)(de)情況,循(xun)環(huan)(huan)次數(shu)(shu)(shu)減(jian)少(shao),意(yi)味著(zhu)電(dian)(dian)(dian)池(chi)的(de)(de)使用(yong)壽(shou)命(ming)也是在(zai)(zai)不(bu)斷(duan)的(de)(de)減(jian)少(shao),在(zai)(zai)使用(yong)的(de)(de)過(guo)程(cheng)中(zhong),由于(yu)電(dian)(dian)(dian)池(chi)的(de)(de)循(xun)環(huan)(huan)次數(shu)(shu)(shu)在(zai)(zai)不(bu)斷(duan)的(de)(de)減(jian)少(shao),那么也就意(yi)味著(zhu)鋰電(dian)(dian)(dian)池(chi)內部會(hui)發生(sheng)不(bu)可逆的(de)(de)電(dian)(dian)(dian)化(hua)學反(fan)應導致容量(liang)下降。

總結:鋰(li)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)生命循(xun)(xun)環(huan)次數是根據電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)質(zhi)量(liang)和電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)材料來(lai)定,鋰(li)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)循(xun)(xun)環(huan)次數和電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)之間的(de)使用(yong)(yong)壽命之類(lei)的(de)是密不可分的(de)聯系。每完成一個循(xun)(xun)環(huan)次數,對于(yu)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)容量(liang)來(lai)說就(jiu)會減少(shao)一點,相(xiang)對于(yu)電(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)使用(yong)(yong)壽命也會減少(shao)。

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