18650鋰電池保護板功能
電(dian)(dian)(dian)池(chi)過充(chong)(chong)保護(hu)功能:對18650鋰(li)電(dian)(dian)(dian)池(chi)充(chong)(chong)電(dian)(dian)(dian),當電(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)壓充(chong)(chong)到(dao)過充(chong)(chong)檢測電(dian)(dian)(dian)壓(4.28±0.025V)時,保護(hu)電(dian)(dian)(dian)路動作,切斷充(chong)(chong)電(dian)(dian)(dian)通路,實現過充(chong)(chong)保護(hu)。
電(dian)(dian)池過(guo)放保(bao)護(hu)功能:接通(tong)負載(zai)放電(dian)(dian)時,當電(dian)(dian)池電(dian)(dian)壓下(xia)降到過(guo)放電(dian)(dian)壓(2.3±0.08V)時,保(bao)護(hu)電(dian)(dian)路(lu)動作,關斷放電(dian)(dian)通(tong)路(lu),實現過(guo)放保(bao)護(hu)。
短(duan)路(lu)(lu)保(bao)護(hu)功能(neng):當輸出短(duan)路(lu)(lu)時,保(bao)護(hu)電(dian)路(lu)(lu)會在(zai)延時320us后,切斷通路(lu)(lu),實(shi)現(xian)短(duan)路(lu)(lu)保(bao)護(hu),解(jie)除外部短(duan)路(lu)(lu)后,電(dian)路(lu)(lu)能(neng)夠(gou)自動恢復(fu)輸出。
過(guo)流保護(hu)功(gong)能:當輸出電流超過(guo)設定的最大電流值時,保護(hu)電路(lu)會在延時10ms后動作,切斷通(tong)路(lu),實現過(guo)流保護(hu),斷開外部(bu)負載后,電路(lu)能夠自動恢復輸出。
●切勿充滿電(dian)后長時間(jian)過充電(dian),所謂的涓(juan)流充電(dian)對(dui)于鋰(li)電(dian)池(chi)(chi)來(lai)說就是在挑戰充電(dian)保護電(dian)路的質量與精確性,經(jing)常(chang)讓(rang)電(dian)池(chi)(chi)電(dian)壓超過標(biao)準電(dian)壓0.1伏特,即從4.1伏上升到4.2伏,那么電(dian)池(chi)(chi)的壽命會減半
●在使用(yong)18650鋰電(dian)池中應(ying)注(zhu)意的是,電(dian)池放置一段時間(jian)后則進入休眠狀態,此(ci)時容(rong)量低于正常值,使用(yong)時間(jian)亦隨之縮短(duan)。但鋰電(dian)池很容(rong)易(yi)激(ji)活(huo),只(zhi)要(yao)經過3—5次正常的充(chong)放電(dian)循環就可激(ji)活(huo)電(dian)池,恢復正常容(rong)量。
●控制充電時(shi)的極限溫度,盡量(liang)避免在0℃以下充電,否則,將嚴重影(ying)響電池壽命。
●當電量過低時即可對18650電池充電,而不必等到電池電量放到終止電壓,以免過放現象的發生。以(yi)上就(jiu)是18650鋰(li)電(dian)(dian)池(chi)保(bao)護(hu)板功能(neng),18650電(dian)(dian)池(chi)充(chong)電(dian)(dian)方(fang)法。18650鋰(li)電(dian)(dian)池(chi)在(zai)沒有(you)保(bao)護(hu)板的前提(ti)下前幾次的時候要深度放(fang)電(dian)(dian)(即(ji)用(yong)完為止(zhi)),這樣有(you)助于電(dian)(dian)池(chi)在(zai)負極形(xing)成一(yi)層(ceng)保(bao)護(hu)膜,3-5次以(yi)后可以(yi)隨時充(chong)放(fang)電(dian)(dian),但不能(neng)低于3.0V,不高于4.2V。在(zai)有(you)保(bao)護(hu)板的情(qing)況下可以(yi)放(fang)心的使用(yong)。
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