一、電芯soc是什么意思
電芯SOC指(zhi)的(de)(de)(de)是電(dian)池(chi)(chi)荷電(dian)狀(zhuang)態(tai),它反映了電(dian)池(chi)(chi)的(de)(de)(de)剩(sheng)余容量(liang)相對于完全充(chong)電(dian)狀(zhuang)態(tai)的(de)(de)(de)比例。具體來(lai)說,SOC是通過比較電(dian)池(chi)(chi)的(de)(de)(de)實際容量(liang)與(yu)理論最大容量(liang)的(de)(de)(de)比例來(lai)定義的(de)(de)(de),這個比例通常在0到1之間。當SOC等(deng)于0時(shi),意味(wei)著(zhu)電(dian)池(chi)(chi)已(yi)經完全放電(dian);而當SOC等(deng)于1時(shi),則表示(shi)電(dian)池(chi)(chi)已(yi)完全充(chong)滿。鋰離(li)子電(dian)池(chi)(chi)要準確(que)測量(liang)SOC并不(bu)是一件容易的(de)(de)(de)事(shi),因為(wei)它涉及到電(dian)池(chi)(chi)的(de)(de)(de)內(nei)阻、開路電(dian)壓、溫度和電(dian)流等(deng)多(duo)種參(can)數(shu),需(xu)要通過數(shu)學模(mo)型進行(xing)預測。123
需要注意(yi)的是(shi),SOC的概念與系(xi)統級芯片(SoC)不同。SoC是(shi)一種集成(cheng)了(le)處理(li)器、內存和其(qi)他功能的完整芯片,它將多個(ge)獨立(li)的功能集成(cheng)在一個(ge)小型芯片上(shang),以減(jian)小電子產品的尺寸(cun)并提(ti)高能效(xiao)。
二、電芯soc低怎么辦
如果電(dian)(dian)(dian)(dian)芯的(de)SOC(電(dian)(dian)(dian)(dian)池的(de)剩余電(dian)(dian)(dian)(dian)量)太低(di),電(dian)(dian)(dian)(dian)池的(de)電(dian)(dian)(dian)(dian)壓可(ke)能會非常低(di),甚至低(di)于啟動充電(dian)(dian)(dian)(dian)時所需的(de)最低(di)電(dian)(dian)(dian)(dian)壓。這種(zhong)情況下,可(ke)以嘗試以下方法來解決問題:
1、將電(dian)池連接到具有大電(dian)流(liu)輸(shu)出能(neng)力的(de)電(dian)源中,例如汽車發動(dong)機,以充電(dian)電(dian)池。等待一(yi)段時間后,電(dian)芯SOC將會(hui)增加,然后再嘗試啟動(dong)充電(dian)。
2、如果電芯SOC非常低,可以使用一個專門的電芯充(chong)電(dian)(dian)(dian)(dian)器(qi)來給電(dian)(dian)(dian)(dian)池充(chong)電(dian)(dian)(dian)(dian)。這種充(chong)電(dian)(dian)(dian)(dian)器(qi)通(tong)常具有(you)充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流調(diao)節功能,可以在(zai)電(dian)(dian)(dian)(dian)芯SOC非常低時提供更高的充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流。
3、如(ru)果電芯SOC非(fei)常低(di)且沒有(you)外部充電設備可(ke)(ke)用(yong),可(ke)(ke)以通(tong)過使用(yong)一個較小(xiao)電流(liu)的恒(heng)流(liu)源來啟動充電。這可(ke)(ke)以避免(mian)因(yin)為電流(liu)過大(da)造成的損壞,但是充電速度可(ke)(ke)能(neng)相對較慢。