循環次數和電池本身有關聯嗎?
動(dong)(dong)力電(dian)(dian)池(chi)(chi)作(zuo)為(wei)純電(dian)(dian)動(dong)(dong)汽車(che)的(de)(de)"心臟",純電(dian)(dian)動(dong)(dong)汽車(che)的(de)(de)關鍵在于(yu)動(dong)(dong)力電(dian)(dian)池(chi)(chi)。對于(yu)動(dong)(dong)力電(dian)(dian)池(chi)(chi)而言,動(dong)(dong)力電(dian)(dian)池(chi)(chi)性能(neng)指標(biao),容量,使(shi)(shi)用(yong)壽命等(deng),都(dou)是用(yong)來衡量電(dian)(dian)池(chi)(chi)的(de)(de)性能(neng)指標(biao)之一,電(dian)(dian)池(chi)(chi)在長期使(shi)(shi)用(yong)過程當中,電(dian)(dian)池(chi)(chi)容量等(deng)會隨著使(shi)(shi)用(yong)的(de)(de)時間(jian)而降低,作(zuo)為(wei)電(dian)(dian)池(chi)(chi)來說,循環次數和電(dian)(dian)池(chi)(chi)有(you)什么關系?
循(xun)(xun)環(huan)次數(shu)指的(de)是(shi)(shi)(shi)電(dian)池(chi)在(zai)使用(yong)時候的(de)時間(jian)和(he)次數(shu),換句話來說那么(me)也(ye)就是(shi)(shi)(shi)電(dian)池(chi)在(zai)充(chong)滿以后(hou),然后(hou)又把電(dian)池(chi)換光了,然后(hou)再充(chong)滿,在(zai)放(fang)光,然后(hou)在(zai)充(chong)滿反復(fu)循(xun)(xun)環(huan)。對(dui)于(yu)動力電(dian)池(chi)來說,一個(ge)完整充(chong)放(fang)電(dian)過程(cheng)才是(shi)(shi)(shi)一個(ge)循(xun)(xun)環(huan),根據這個(ge)東西來看,電(dian)池(chi)都是(shi)(shi)(shi)有循(xun)(xun)環(huan)次數(shu)的(de)。
根據三元(yuan)鋰電(dian)(dian)(dian)池(chi)的使(shi)(shi)用(yong)壽命來說,電(dian)(dian)(dian)池(chi)的使(shi)(shi)用(yong)壽命是在(zai)1500到(dao)2000次(ci)左右(you)的循(xun)環次(ci)數(shu),而這一循(xun)環次(ci)數(shu),會(hui)隨著(zhu)電(dian)(dian)(dian)池(chi)在(zai)使(shi)(shi)用(yong)過程(cheng)當中出現變(bian)少(shao)的情況,循(xun)環次(ci)數(shu)減少(shao),意(yi)味(wei)著(zhu)電(dian)(dian)(dian)池(chi)的使(shi)(shi)用(yong)壽命也(ye)是在(zai)不斷的減少(shao),在(zai)使(shi)(shi)用(yong)的過程(cheng)中,由于電(dian)(dian)(dian)池(chi)的循(xun)環次(ci)數(shu)在(zai)不斷的減少(shao),那么也(ye)就(jiu)意(yi)味(wei)著(zhu)鋰電(dian)(dian)(dian)池(chi)內部會(hui)發生不可逆(ni)的電(dian)(dian)(dian)化學反應導致容量下降。
總結:鋰(li)電(dian)(dian)(dian)(dian)池(chi)(chi)生命循(xun)環次(ci)數(shu)是(shi)根據電(dian)(dian)(dian)(dian)池(chi)(chi)質量和電(dian)(dian)(dian)(dian)池(chi)(chi)材料來定(ding),鋰(li)電(dian)(dian)(dian)(dian)池(chi)(chi)的循(xun)環次(ci)數(shu)和電(dian)(dian)(dian)(dian)池(chi)(chi)之間的使(shi)(shi)用壽命之類的是(shi)密不可分的聯(lian)系。每完成一個循(xun)環次(ci)數(shu),對于電(dian)(dian)(dian)(dian)池(chi)(chi)的容量來說就(jiu)會(hui)減少一點(dian),相對于電(dian)(dian)(dian)(dian)池(chi)(chi)的使(shi)(shi)用壽命也會(hui)減少。
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