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對于鋰(li)電(dian)(dian)(dian)池來(lai)說，充電(dian)(dian)(dian)方法(fa)對其性能影響很大，合理的(de)充電(dian)(dian)(dian)方法(fa)可(ke)延長鋰(li)電(dian)(dian)(dian)池的(de)壽(shou)命、提高充電(dian)(dian)(dian)效率。本文分析了鋰(li)電(dian)(dian)(dian)池的(de)各種充電(dian)(dian)(dian)方法(fa)，并在充電(dian)(dian)(dian)速度、使(shi)用(yong)壽(shou)命和實現(xian)成本上對各自(zi)的(de)優缺點進行了比較，供大家(jia)參考(kao)交(jiao)流。鋰電(dian)池的充(chong)(chong)(chong)(chong)電(dian)方法有很多種，按充(chong)(chong)(chong)(chong)電(dian)效率可(ke)分為常規充(chong)(chong)(chong)(chong)電(dian)和(he)快速(su)(su)充(chong)(chong)(chong)(chong)電(dian)。其中(zhong)常規充(chong)(chong)(chong)(chong)電(dian)方法包括：恒(heng)流充(chong)(chong)(chong)(chong)電(dian)、恒(heng)壓充(chong)(chong)(chong)(chong)電(dian)、階段(duan)充(chong)(chong)(chong)(chong)電(dian)和(he)間歇(xie)充(chong)(chong)(chong)(chong)電(dian)，而快速(su)(su)充(chong)(chong)(chong)(chong)電(dian)包括脈(mo)沖(chong)充(chong)(chong)(chong)(chong)電(dian)和(he)Reflex充(chong)(chong)(chong)(chong)電(dian)，還(huan)對智能充(chong)(chong)(chong)(chong)電(dian)進(jin)行了分析。

1. 恒流充電

按(an)充(chong)(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)流的(de)大小恒流充(chong)(chong)(chong)(chong)電(dian)(dian)又可分為快速充(chong)(chong)(chong)(chong)電(dian)(dian)、標準充(chong)(chong)(chong)(chong)電(dian)(dian)和(he)涓流充(chong)(chong)(chong)(chong)電(dian)(dian)。在整個(ge)充(chong)(chong)(chong)(chong)電(dian)(dian)過(guo)程中，一般采用(yong)調整電(dian)(dian)源充(chong)(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)壓或(huo)改變與電(dian)(dian)池串聯的(de)電(dian)(dian)阻值，來(lai)維持電(dian)(dian)池的(de)充(chong)(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)流大小不變。

這種方法優點是控制簡單，適用于對多個電池串聯的電池組進行充電。缺點是鋰電池的可接受充電的能力會隨著充電的進行逐漸降低，在充電后期過大的充電電流會使電池內部產生氣泡，對電池造成損壞。因此恒流充電，常常是作為階段充電中的一個環節。

2. 恒壓充(chong)電

恒(heng)壓充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)就是在(zai)整個(ge)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)過程中，充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)壓保持恒(heng)定，充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)的大(da)小(xiao)(xiao)隨著(zhu)電(dian)(dian)(dian)(dian)(dian)(dian)池狀態的變化自動調整。隨著(zhu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)的進行，充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)逐漸減小(xiao)(xiao)。與(yu)恒(heng)流(liu)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)相比，其充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)過程更加接(jie)近充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)曲線，控制簡單(dan)、成本低。缺點是充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)時間較長，并且在(zai)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)初期電(dian)(dian)(dian)(dian)(dian)(dian)池充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)過大(da)，直接(jie)影響鋰電(dian)(dian)(dian)(dian)(dian)(dian)池的壽(shou)命(ming)和(he)使用(yong)(yong)質量。所以恒(heng)壓充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)方(fang)法(fa)很少單(dan)獨使用(yong)(yong)，只有在(zai)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)(dian)壓低而電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)大(da)時采(cai)用(yong)(yong)。

3. 恒流恒壓充電

在(zai)(zai)開(kai)始充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)之(zhi)前，首(shou)先(xian)檢測(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)，若(ruo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)低于門(men)限(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)（2.5V左右），則以(yi)C/10的(de)小電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流對電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)進行涓充(chong)(chong)(chong)(chong)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)緩慢(man)上(shang)升(sheng)；當(dang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)達到(dao)門(men)限(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)時(shi)，進入(ru)恒流充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，在(zai)(zai)此階段(duan)以(yi)較大的(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(0.5C～1C)強度對電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)進行快速充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)上(shang)升(sheng)較快，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)容量將達到(dao)其額定值(zhi)的(de)85%左右；在(zai)(zai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)上(shang)升(sheng)到(dao)上(shang)限(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)（4.2V）后，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路切換(huan)到(dao)恒壓(ya)(ya)(ya)(ya)(ya)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)模(mo)式，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)基本維持在(zai)(zai)4.2V，充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流逐漸減小，充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)速度變(bian)慢(man)，這一階段(duan)主要是保證電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)(chong)(chong)滿(man)，當(dang)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流降到(dao)0.1C或 0.05C時(shi)，即判定電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)(chong)(chong)滿(man)。

4. Reflex 快速充電法(fa)

Reflex快速充電方法(fa)，又被稱為反(fan)射充電方法(fa)或“打(da)嗝(ge)”充電方法(fa)。該方法(fa)的(de)每(mei)個工作周期包括正向充電、反(fan)向瞬間(jian)放電和停充3個階段。它在很(hen)大的(de)程(cheng)度(du)(du)上(shang)解決了(le)電池(chi)極化現象，加快了(le)充電速度(du)(du)。但是反(fan)向放電會縮短鋰電池(chi)壽命。

5. 智能充電法

智能(neng)充(chong)(chong)電(dian)(dian)是(shi)目前較先進的(de)充(chong)(chong)電(dian)(dian)方法，其主(zhu)要原(yuan)理(li)是(shi)應用du/dt和di/dt控制技術，通過(guo)檢查電(dian)(dian)池電(dian)(dian)壓(ya)和電(dian)(dian)流(liu)的(de)增量(liang)來判斷(duan)電(dian)(dian)池充(chong)(chong)電(dian)(dian)狀態(tai)，動態(tai)跟蹤電(dian)(dian)池可接受的(de)充(chong)(chong)電(dian)(dian)電(dian)(dian)流(liu)，使充(chong)(chong)電(dian)(dian)電(dian)(dian)流(liu)自始自終(zhong)在電(dian)(dian)池可接受的(de)充(chong)(chong)電(dian)(dian)曲(qu)線附近。這樣電(dian)(dian)池能(neng)在很少析氣的(de)狀態(tai)下快(kuai)速將(jiang)電(dian)(dian)充(chong)(chong)滿(man)。

以(yi)上就是(shi)朗達鋰電池對于(yu)鋰電池部分充電技術的簡單介(jie)紹(shao)，如(ru)需要了解更多可以(yi)關注我們喔(wo)~

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