鋰電池怎么充電
鋰(li)(li)電(dian)(dian)池(chi)的(de)(de)壽(shou)命一般為300-500個充(chong)(chong)(chong)(chong)電(dian)(dian)周期(qi)。假設一次(ci)(ci)(ci)完全放電(dian)(dian)提供的(de)(de)電(dian)(dian)量(liang)為1Q,如(ru)(ru)不(bu)(bu)考慮每個充(chong)(chong)(chong)(chong)電(dian)(dian)周期(qi)以后電(dian)(dian)量(liang)的(de)(de)減少,則(ze)(ze)鋰(li)(li)電(dian)(dian)在其壽(shou)命內總(zong)(zong)共可(ke)以提供或為其補(bu)充(chong)(chong)(chong)(chong)300Q-500Q的(de)(de)電(dian)(dian)力。由此知(zhi)道(dao),如(ru)(ru)果每次(ci)(ci)(ci)用1/2就(jiu)充(chong)(chong)(chong)(chong),則(ze)(ze)可(ke)以充(chong)(chong)(chong)(chong)600-1000次(ci)(ci)(ci);如(ru)(ru)果每次(ci)(ci)(ci)用1/3就(jiu)充(chong)(chong)(chong)(chong),則(ze)(ze)可(ke)以充(chong)(chong)(chong)(chong)900-1500次(ci)(ci)(ci)。以此類推(tui),如(ru)(ru)果隨機(ji)充(chong)(chong)(chong)(chong)電(dian)(dian),則(ze)(ze)次(ci)(ci)(ci)數不(bu)(bu)定(ding)。總(zong)(zong)之,不(bu)(bu)論怎么充(chong)(chong)(chong)(chong),總(zong)(zong)共補(bu)充(chong)(chong)(chong)(chong)進300Q-500Q的(de)(de)電(dian)(dian)力這一點是恒(heng)定(ding)的(de)(de)。
所以,我們也可以這樣理解:鋰電池壽命和電池的總充電電量有關,和充電次數無關。深放深充和淺放淺充對于鋰電池壽命的影響相(xiang)差不大。那么,某些(xie)MP3廠家宣傳時說,“某某型號(hao)MP3使用(yong)強悍鋰電池,可充電1500次以(yi)上。”這就(jiu)是(shi)純(chun)粹地欺消費者無(wu)知了。
事實上,淺放(fang)淺充對于(yu)鋰電(dian)更有(you)益處,只有(you)在產(chan)品(pin)的電(dian)源模(mo)塊為鋰電(dian)做校準時,才有(you)深放(fang)深充的必要。所以,使(shi)用鋰電(dian)供電(dian)的產(chan)品(pin)不必拘泥于(yu)過程,一切以方(fang)便為先,隨時充電(dian),不必擔(dan)心(xin)影響壽命。
1、避免在過高溫度下充電
如果在高于規定的操作溫度,即35°C以上的環境中使用鋰電,電池的電量將會不斷的減少,即電池的(de)(de)供電(dian)(dian)時間不(bu)會(hui)像(xiang)往常那(nei)樣長。如果(guo)在(zai)(zai)這(zhe)樣的(de)(de)溫度下,還要為(wei)設備充電(dian)(dian),那(nei)對電(dian)(dian)池的(de)(de)損傷(shang)將(jiang)更大(da)。即(ji)使是(shi)在(zai)(zai)較熱(re)的(de)(de)環境中存(cun)放(fang)電(dian)(dian)池,也會(hui)不(bu)可避免的(de)(de)對電(dian)(dian)池的(de)(de)質量造成相應(ying)的(de)(de)損壞。所以,盡(jin)量保持在(zai)(zai)適益(yi)的(de)(de)操作溫度是(shi)延長鋰電(dian)(dian)壽命的(de)(de)好方法(fa)。
2、避免(mian)在(zai)過低溫度下充(chong)電
如果在低(di)(di)溫(wen)環(huan)境(jing)(jing),即4°C以下(xia)(xia)中使(shi)(shi)用(yong)鋰電(dian)(dian),同樣也會發現(xian)電(dian)(dian)池(chi)(chi)的(de)使(shi)(shi)用(yong)時間減(jian)少了,有些手機(ji)的(de)原裝鋰電(dian)(dian)在低(di)(di)溫(wen)環(huan)境(jing)(jing)中甚至(zhi)充不上(shang)電(dian)(dian)。但不必太擔心,這(zhe)只(zhi)是(shi)暫時狀況,不同于高溫(wen)環(huan)境(jing)(jing)下(xia)(xia)的(de)使(shi)(shi)用(yong),一旦溫(wen)度升(sheng)起來,電(dian)(dian)池(chi)(chi)中的(de)分子受熱,就(jiu)馬上(shang)恢復到以前的(de)電(dian)(dian)量(liang)。
3、經常使用
生命在于運動(dong)。要想發揮鋰(li)(li)離子(zi)電(dian)(dian)池(chi)的(de)最大效能,就需要經(jing)常(chang)用它(ta),讓鋰(li)(li)電(dian)(dian)內(nei)的(de)電(dian)(dian)子(zi)始終處(chu)于流動(dong)狀態。如果(guo)不經(jing)常(chang)使用鋰(li)(li)電(dian)(dian),請一定(ding)記得每月(yue)給鋰(li)(li)電(dian)(dian)完成一個充電(dian)(dian)周期(qi),做一次電(dian)(dian)量(liang)校準(zhun),即(ji)深放深充一次。
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