一、電動車鋰電池充不進去電怎么辦
1、電動車鋰電(dian)(dian)(dian)池(chi)(chi)因(yin)為環(huan)境溫(wen)度變化大(da)導(dao)致充不(bu)進電(dian)(dian)(dian),這種情況多數是(shi)因(yin)為電(dian)(dian)(dian)動車電(dian)(dian)(dian)池(chi)(chi)自身不(bu)是(shi)低(di)溫(wen)電(dian)(dian)(dian)池(chi)(chi),在轉(zhuan)到(dao)低(di)溫(wen)環(huan)境下使(shi)用時,會因(yin)為溫(wen)度過低(di),導(dao)致電(dian)(dian)(dian)池(chi)(chi)內部(bu)凍(dong)結,致使(shi)電(dian)(dian)(dian)池(chi)(chi)內阻(zu)變大(da)和(he)化學活性降低(di),使(shi)得放電(dian)(dian)(dian)能(neng)力急劇下降,甚至不(bu)放電(dian)(dian)(dian)。這個可以轉(zhuan)到(dao)溫(wen)度適宜(yi)的地(di)方,一(yi)段時間后,電(dian)(dian)(dian)池(chi)(chi)會恢(hui)復部(bu)分能(neng)力,常使(shi)用的話(hua),電(dian)(dian)(dian)池(chi)(chi)會因(yin)為低(di)溫(wen)析(xi)鋰導(dao)致壽命嚴(yan)重衰減或報廢。
2、電(dian)(dian)(dian)動車鋰電(dian)(dian)(dian)池(chi)使用時經常(chang)完全用完電(dian)(dian)(dian)量,也就(jiu)是常(chang)說的(de)過多的(de)深度(du)放電(dian)(dian)(dian),這種行為造成(cheng)的(de)電(dian)(dian)(dian)池(chi)充(chong)不進電(dian)(dian)(dian)。如(ru)果(guo)充(chong)電(dian)(dian)(dian)器正常(chang),那(nei)么就(jiu)是電(dian)(dian)(dian)池(chi)因(yin)為常(chang)常(chang)處于高活躍(yue)狀態(tai)用電(dian)(dian)(dian)下,導致電(dian)(dian)(dian)池(chi)衰減(jian)過快,壽命用盡,這個只能(neng)換電(dian)(dian)(dian)池(chi)了。
3、因為(wei)充電接口出現(xian)故障導致可能的短路,使得電動車鋰電池(chi)保護(hu)板自行(xing)觸(chu)發保護(hu)功能而無法充電,這個需要對充電接口做檢修。
4、還有一個問(wen)題就是可(ke)能(neng)是電(dian)動(dong)車鋰電(dian)池的充(chong)電(dian)器(qi)出(chu)了(le)問(wen)題,因此建議先(xian)檢查充(chong)電(dian)器(qi)的問(wen)題。
二、電動車鋰電池怎么修復
電動車鋰電池一般(ban)壽命在2—3年左右,如(ru)果(guo)超過(guo)這個時間點(dian)就沒有維修價值了。電(dian)(dian)動車鋰電(dian)(dian)池一般(ban)主要故(gu)障(zhang)有:失水、硫(liu)化、正極(ji)板(ban)軟化、短路、開路、起鼓等故(gu)障(zhang)現象。關(guan)于電(dian)(dian)動車鋰電(dian)(dian)池修復方(fang)法如(ru)下:
1、失水:需撬開電池(chi)上方的蓋(gai)板(ban),用滴(di)管吸入(ru)蒸餾水由排氣孔注入(ru)電池(chi),注意補水的原則是(shi)寧少勿多。
2、硫酸鹽化:將硫化的(de)(de)電(dian)(dian)池(chi)用(yong)修復(fu)儀修復(fu),采用(yong)模糊數字控制理論,通過測定(ding)電(dian)(dian)池(chi)狀態(tai),在充、放電(dian)(dian)的(de)(de)同時不斷發出正負變頻微粒波,用(yong)10到20小時的(de)(de)時間,去除電(dian)(dian)池(chi)里(li)結晶后變的(de)(de)堅硬的(de)(de)硫酸鉛。
3、正極板軟化:需將電池(chi)放電止(zhi)10.5V后,用(yong)燈泡深放電1-5小時。然(ran)后用(yong)活化儀,活化修復。
4、短路:水電(dian)池,可以(yi)打孔清晰(xi),將短路的鉛粉(fen)弄出,電(dian)動車電(dian)池可以(yi)迅速短路正負極,將短路的地方燒(shao)斷。
5、開路(lu):100A檢測(ce)電池電壓(ya)0V為開路(lu),用(yong)單個(ge)測(ce)量的方(fang)法,使用(yong)萬用(yong)表測(ce)量出(chu)開路(lu)的地方(fang),焊好即可初步解決。
6、起鼓:鼓包的(de)電池(chi)一(yi)般沒法修復,建議直接更換新(xin)電池(chi)來解決。
另外,車(che)主也(ye)要平常注重保(bao)養電池,電動自行(xing)車(che)在起步、載(zai)人、上(shang)坡時(shi),最好用腳蹬(deng)助(zhu)力,盡量(liang)避免瞬間大電流放電。每隔(ge)1-3個(ge)月,對電瓶進行(xing)一次(ci)深(shen)放電,會延長電瓶壽(shou)命(ming)。