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)額(e)是(shi)指電(dian)池(chi)中實際儲(chu)存(cun)電(dian)能(neng)的(de)(de)容(rong)量(liang)(liang)(liang)。電(dian)芯(xin)是(shi)電(dian)池(chi)的(de)(de)核心器件,電(dian)芯(xin)容(rong)額(e)是(shi)指電(dian)芯(xin)所擁有的(de)(de)真(zhen)正的(de)(de)儲(chu)存(cun)電(dian)能(neng)的(de)(de)容(rong)量(liang)(liang)(liang)。由(you)于電(dian)池(chi)本身也(ye)會(hui)存(cun)在(zai)一(yi)定的(de)(de)損(sun)耗,所以電(dian)池(chi)輸出的(de)(de)容(rong)量(liang)(liang)(liang)常(chang)常(chang)是(shi)小于電(dian)芯(xin)容(rong)額(e)的(de)(de)。這也(ye)是(shi)為什(shen)么(me)在(zai)市場上比較靠譜的(de)(de)產品,會(hui)在(zai)包裝上標注上電(dian)芯(xin)容(rong)量(liang)(liang)(liang),而不(bu)是(shi)單純(chun)的(de)(de)額(e)定容(rong)量(liang)(liang)(liang)。
2、額定容額
額(e)定容(rong)額(e)是指廠(chang)家為電(dian)(dian)池(chi)規定的(de)標準容(rong)量(liang),也就是電(dian)(dian)池(chi)的(de)正(zheng)常使(shi)用容(rong)量(liang)。在低功率使(shi)用下(xia),電(dian)(dian)池(chi)可(ke)承受最長(chang)的(de)時間。例如(ru),一塊(kuai)標有(you)1500mAh的(de)AA電(dian)(dian)池(chi),在正(zheng)常情況下(xia),是可(ke)以(yi)提供1500毫安時的(de)電(dian)(dian)能,但在實(shi)際的(de)使(shi)用過程中,電(dian)(dian)池(chi)提供的(de)電(dian)(dian)能有(you)可(ke)能會比額(e)定容(rong)量(liang)少一些,這個因素涉及到電(dian)(dian)池(chi)內(nei)阻、放電(dian)(dian)倍率等(deng)復雜因素。
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(e)(e)較(jiao)高(gao),而(er)在冬天氣溫較(jiao)低時活(huo)躍度不夠(gou),容額(e)(e)就(jiu)會(hui)變低。
額(e)(e)定(ding)容(rong)(rong)(rong)額(e)(e)是(shi)電(dian)池上標(biao)注的(de)容(rong)(rong)(rong)量(liang),比如我們(men)使(shi)用的(de)手(shou)機所(suo)用的(de)鋰電(dian)池的(de)容(rong)(rong)(rong)量(liang)通常會有一個額(e)(e)定(ding)值。在(zai)(zai)實際(ji)使(shi)用中,電(dian)池的(de)實際(ji)容(rong)(rong)(rong)量(liang)是(shi)要比額(e)(e)定(ding)容(rong)(rong)(rong)額(e)(e)低,原(yuan)因就是(shi)使(shi)用過(guo)程中很難(nan)達到最理想的(de)狀態,會導致實際(ji)容(rong)(rong)(rong)量(liang)往往達不(bu)到額(e)(e)定(ding)容(rong)(rong)(rong)額(e)(e)。另外,電(dian)池額(e)(e)定(ding)容(rong)(rong)(rong)額(e)(e)是(shi)指(zhi)標(biao)準所(suo)標(biao)稱(cheng)電(dian)池的(de)容(rong)(rong)(rong)量(liang)值大(da)小,而電(dian)芯(xin)容(rong)(rong)(rong)額(e)(e)是(shi)指(zhi)電(dian)池在(zai)(zai)一定(ding)電(dian)流值放電(dian)時的(de)實際(ji)容(rong)(rong)(rong)量(liang)大(da)小。