一、電動車鋰電池充不進去電怎么辦
1、電動車鋰電(dian)(dian)池因為(wei)(wei)環境溫(wen)度變化(hua)大導致充不進電(dian)(dian),這種情(qing)況多數(shu)是因為(wei)(wei)電(dian)(dian)動車電(dian)(dian)池自身(shen)不是低(di)溫(wen)電(dian)(dian)池,在轉(zhuan)到(dao)低(di)溫(wen)環境下使(shi)(shi)用(yong)時,會(hui)(hui)因為(wei)(wei)溫(wen)度過低(di),導致電(dian)(dian)池內部(bu)凍結,致使(shi)(shi)電(dian)(dian)池內阻變大和(he)化(hua)學(xue)活性降低(di),使(shi)(shi)得放電(dian)(dian)能力急(ji)劇下降,甚至不放電(dian)(dian)。這個可以轉(zhuan)到(dao)溫(wen)度適宜的地方,一段時間(jian)后,電(dian)(dian)池會(hui)(hui)恢復(fu)部(bu)分能力,常使(shi)(shi)用(yong)的話(hua),電(dian)(dian)池會(hui)(hui)因為(wei)(wei)低(di)溫(wen)析鋰(li)導致壽(shou)命嚴(yan)重(zhong)衰減或報廢。
2、電(dian)(dian)(dian)動車鋰電(dian)(dian)(dian)池(chi)(chi)使用(yong)(yong)時經常完(wan)全(quan)用(yong)(yong)完(wan)電(dian)(dian)(dian)量,也就(jiu)是常說的過多(duo)的深度放(fang)電(dian)(dian)(dian),這種行為(wei)造成的電(dian)(dian)(dian)池(chi)(chi)充不進電(dian)(dian)(dian)。如果充電(dian)(dian)(dian)器正常,那么就(jiu)是電(dian)(dian)(dian)池(chi)(chi)因為(wei)常常處于(yu)高活躍狀(zhuang)態用(yong)(yong)電(dian)(dian)(dian)下,導致電(dian)(dian)(dian)池(chi)(chi)衰減(jian)過快,壽命(ming)用(yong)(yong)盡,這個只(zhi)能換電(dian)(dian)(dian)池(chi)(chi)了(le)。
3、因為充(chong)電(dian)(dian)接口出現故(gu)障導致可(ke)能(neng)的短路,使(shi)得電(dian)(dian)動(dong)車(che)鋰電(dian)(dian)池保(bao)護(hu)板自行(xing)觸(chu)發保(bao)護(hu)功能(neng)而無法充(chong)電(dian)(dian),這(zhe)個需要對(dui)充(chong)電(dian)(dian)接口做檢修。
4、還有(you)一個問題就(jiu)是(shi)可(ke)能是(shi)電動(dong)車鋰(li)電池的(de)充(chong)電器(qi)(qi)出了(le)問題,因(yin)此建議先檢查充(chong)電器(qi)(qi)的(de)問題。
二、電動車鋰電池怎么修復
電動車鋰電池一(yi)般壽命在(zai)2—3年左右,如果超(chao)過這個時間點就(jiu)沒有維修(xiu)價值了。電動車鋰(li)電池一(yi)般主要故障有:失水、硫化、正極板軟化、短路、開(kai)路、起(qi)鼓(gu)等故障現象。關于電動車鋰(li)電池修(xiu)復方法如下:
1、失(shi)水:需(xu)撬開(kai)電池上(shang)方的(de)蓋板,用(yong)滴管吸入蒸餾水由(you)排氣孔注入電池,注意(yi)補(bu)水的(de)原則(ze)是(shi)寧少勿多。
2、硫(liu)酸(suan)鹽化(hua):將(jiang)硫(liu)化(hua)的(de)(de)(de)電池用修復儀(yi)修復,采(cai)用模糊數字控制理論,通過(guo)測定電池狀態,在充、放電的(de)(de)(de)同時(shi)不斷發出正負變(bian)頻微粒(li)波,用10到20小(xiao)時(shi)的(de)(de)(de)時(shi)間,去除電池里(li)結(jie)晶后變(bian)的(de)(de)(de)堅硬的(de)(de)(de)硫(liu)酸(suan)鉛(qian)。
3、正極板軟化(hua):需將電池放電止10.5V后,用燈泡深放電1-5小時。然后用活化(hua)儀,活化(hua)修復。
4、短路(lu):水(shui)電池,可以打孔(kong)清晰,將短路(lu)的鉛粉弄出,電動車電池可以迅速短路(lu)正負極,將短路(lu)的地方燒斷。
5、開(kai)路:100A檢測電(dian)池(chi)電(dian)壓(ya)0V為開(kai)路,用(yong)單(dan)個(ge)測量的方(fang)法,使(shi)用(yong)萬用(yong)表測量出開(kai)路的地方(fang),焊好即可初步(bu)解決。
6、起鼓(gu):鼓(gu)包(bao)的電池一般沒法修復,建議直(zhi)接更換新電池來解決。
另外,車主也要平常注(zhu)重保養電(dian)(dian)池,電(dian)(dian)動(dong)自行(xing)車在起(qi)步(bu)、載(zai)人(ren)、上坡時,最好用腳(jiao)蹬助力,盡量避免瞬間(jian)大(da)電(dian)(dian)流放電(dian)(dian)。每(mei)隔1-3個月,對電(dian)(dian)瓶進行(xing)一(yi)次深放電(dian)(dian),會(hui)延長(chang)電(dian)(dian)瓶壽命。