一、電芯容額和額定容額分別是什么意思

1、電芯容額

電芯容(rong)(rong)(rong)(rong)額(e)是(shi)(shi)指(zhi)電(dian)池(chi)中實際儲(chu)存(cun)電(dian)能(neng)的容(rong)(rong)(rong)(rong)量。電(dian)芯(xin)(xin)是(shi)(shi)電(dian)池(chi)的核心器件，電(dian)芯(xin)(xin)容(rong)(rong)(rong)(rong)額(e)是(shi)(shi)指(zhi)電(dian)芯(xin)(xin)所擁有的真正的儲(chu)存(cun)電(dian)能(neng)的容(rong)(rong)(rong)(rong)量。由于(yu)電(dian)池(chi)本(ben)身也會存(cun)在一定的損耗(hao)，所以電(dian)池(chi)輸出的容(rong)(rong)(rong)(rong)量常常是(shi)(shi)小于(yu)電(dian)芯(xin)(xin)容(rong)(rong)(rong)(rong)額(e)的。這也是(shi)(shi)為什么(me)在市場上比較靠(kao)譜的產品，會在包裝(zhuang)上標(biao)注上電(dian)芯(xin)(xin)容(rong)(rong)(rong)(rong)量，而不是(shi)(shi)單純的額(e)定容(rong)(rong)(rong)(rong)量。

2、額定容額

額(e)定(ding)容(rong)額(e)是指(zhi)廠家為(wei)電(dian)(dian)(dian)池(chi)(chi)規定(ding)的(de)標準容(rong)量(liang)，也就是電(dian)(dian)(dian)池(chi)(chi)的(de)正(zheng)常(chang)使用容(rong)量(liang)。在低(di)功率(lv)使用下(xia)，電(dian)(dian)(dian)池(chi)(chi)可(ke)承(cheng)受(shou)最長(chang)的(de)時(shi)間。例如，一(yi)塊標有1500mAh的(de)AA電(dian)(dian)(dian)池(chi)(chi)，在正(zheng)常(chang)情(qing)況下(xia)，是可(ke)以提(ti)(ti)供1500毫安時(shi)的(de)電(dian)(dian)(dian)能，但在實際的(de)使用過(guo)程中，電(dian)(dian)(dian)池(chi)(chi)提(ti)(ti)供的(de)電(dian)(dian)(dian)能有可(ke)能會比額(e)定(ding)容(rong)量(liang)少一(yi)些(xie)，這個因(yin)素涉及到電(dian)(dian)(dian)池(chi)(chi)內阻、放電(dian)(dian)(dian)倍(bei)率(lv)等復雜因(yin)素。

二、電芯容額和額定容額的區別

電芯容額往往小于額定容額。電池容額，又叫實際容額，一般指的是電池在放電的狀態下，它所具備的當前的實際容量。實際容量往往是會不斷變化的，比如在夏天氣溫較高時它的分子比較活躍，此時的電芯容額較高，而在冬(dong)天氣溫較低(di)時活(huo)躍度不夠，容額就會變低(di)。

額(e)定(ding)容(rong)(rong)(rong)(rong)額(e)是電池(chi)(chi)上標(biao)注的(de)容(rong)(rong)(rong)(rong)量(liang)，比如我們使用(yong)的(de)手機(ji)所(suo)用(yong)的(de)鋰電池(chi)(chi)的(de)容(rong)(rong)(rong)(rong)量(liang)通(tong)常(chang)會(hui)有一個額(e)定(ding)值。在(zai)(zai)實際(ji)使用(yong)中，電池(chi)(chi)的(de)實際(ji)容(rong)(rong)(rong)(rong)量(liang)是要比額(e)定(ding)容(rong)(rong)(rong)(rong)額(e)低，原因(yin)就是使用(yong)過(guo)程中很難(nan)達到最理想(xiang)的(de)狀態，會(hui)導致(zhi)實際(ji)容(rong)(rong)(rong)(rong)量(liang)往(wang)往(wang)達不(bu)到額(e)定(ding)容(rong)(rong)(rong)(rong)額(e)。另外(wai)，電池(chi)(chi)額(e)定(ding)容(rong)(rong)(rong)(rong)額(e)是指標(biao)準所(suo)標(biao)稱電池(chi)(chi)的(de)容(rong)(rong)(rong)(rong)量(liang)值大小，而電芯容(rong)(rong)(rong)(rong)額(e)是指電池(chi)(chi)在(zai)(zai)一定(ding)電流值放電時的(de)實際(ji)容(rong)(rong)(rong)(rong)量(liang)大小。