2)充(chong)(chong)電(dian)(dian)(dian)(dian)時(shi)間(jian)長達6-8個(ge)小時(shi)，是比較科學(xue)的(de)。也就是說(shuo)，實(shi)際上電(dian)(dian)(dian)(dian)動汽車(che)充(chong)(chong)電(dian)(dian)(dian)(dian)的(de)便捷(jie)性是大家(jia)不能接(jie)受的(de)。一(yi)是用家(jia)里220V交流(liu)電(dian)(dian)(dian)(dian)來充(chong)(chong)電(dian)(dian)(dian)(dian)，充(chong)(chong)電(dian)(dian)(dian)(dian)時(shi)間(jian)要6-8小時(shi)；二是到充(chong)(chong)電(dian)(dian)(dian)(dian)站用直流(liu)充(chong)(chong)電(dian)(dian)(dian)(dian)，除了排(pai)隊(dui)外，充(chong)(chong)電(dian)(dian)(dian)(dian)過程要的(de)時(shi)間(jian)也必須要在(zai)30分(fen)鐘以上；三是買換電(dian)(dian)(dian)(dian)池的(de)車(che)吧，基本上沒有賣(mai)的(de)。

二(er)、提高充(chong)電(dian)方(fang)便性(xing)基本途徑
1)如果(guo)能用民(min)用交流電(dian)充(chong)電(dian)，如果(guo)充(chong)電(dian)時(shi)間(jian)少于要3小時(shi)能接受；
2)如果到充電(dian)(dian)站(zhan)用(yong)直流充電(dian)(dian)，充電(dian)(dian)時間少(shao)于1個小(xiao)時能接受；
3)如果換電池(chi)，必須(xu)電池(chi)是自己專用，是可以(yi)接受。
三、鋰離(li)子動(dong)力(li)電池組的(de)充電模式
下面是(shi)充(chong)電曲線，即充(chong)電模(mo)式采用“限(xian)流、限(xian)壓”兩階段充(chong)電模(mo)式。
1)限(xian)流過程：
這一(yi)階段的(de)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)叫(jiao)“限(xian)(xian)流(liu)(liu)”充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)，充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu)(liu)保(bao)持在(zai)限(xian)(xian)流(liu)(liu)值(zhi)。隨著充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)的(de)延續(xu)，電(dian)(dian)(dian)(dian)池電(dian)(dian)(dian)(dian)動勢不斷(duan)上(shang)升(sheng)，電(dian)(dian)(dian)(dian)池的(de)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)壓(ya)也不斷(duan)上(shang)升(sheng)。當電(dian)(dian)(dian)(dian)池電(dian)(dian)(dian)(dian)壓(ya)上(shang)升(sheng)到允許的(de)最高充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓(ya)時(shi)，保(bao)持恒壓(ya)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)。廠家建(jian)議(yi)：一(yi)般(ban)采用最佳充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)倍率(鋰離子電(dian)(dian)(dian)(dian)池為0.3CA)進行(xing)限(xian)(xian)流(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)。
2)限(xian)壓(ya)過程(cheng)：
在這一階段，由于(yu)電(dian)(dian)池電(dian)(dian)動勢還在不斷上升，而充(chong)電(dian)(dian)電(dian)(dian)壓又保持不變，所以電(dian)(dian)池的充(chong)電(dian)(dian)流呈雙曲線趨勢不斷下降(jiang)，一直下降(jiang)到零。這一階段的充(chong)電(dian)(dian)叫恒(heng)“恒(heng)壓”充(chong)電(dian)(dian)，這一階段的充(chong)電(dian)(dian)電(dian)(dian)壓：U=E+IR=恒(heng)壓值。
(實際做法：當(dang)充電電流減(jian)小(xiao)到0.015CA時就可(ke)停止充電。)
三、對離子(zi)動力電池(chi)組充電，實際是一個動態(tai)的過程
充(chong)電系統(tong)必(bi)須具(ju)有自動(dong)調節(jie)充(chong)電參數、自動(dong)控制(zhi)和自動(dong)保(bao)護功能：
1)自動調節充電參數
a)例如，在(zai)充(chong)電(dian)(dian)(dian)(dian)時，尤(you)其在(zai)恒壓(ya)(ya)(ya)充(chong)電(dian)(dian)(dian)(dian)階段，如果電(dian)(dian)(dian)(dian)池(chi)組(zu)中有某一個單體電(dian)(dian)(dian)(dian)池(chi)的(de)充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)超(chao)過(guo)(guo)允(yun)許的(de)充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(根(gen)據不同(tong)鋰(li)電(dian)(dian)(dian)(dian)池(chi)的(de)特性一般設(she)定為3.9V～4.3V之間)時，充(chong)電(dian)(dian)(dian)(dian)系統(tong)應會(hui)根(gen)據電(dian)(dian)(dian)(dian)池(chi)管(guan)理系統(tong)(BMS)輸出的(de)信(xin)號，自動減(jian)小充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)和(he)電(dian)(dian)(dian)(dian)流，使該(gai)電(dian)(dian)(dian)(dian)池(chi)的(de)充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)不超(chao)過(guo)(guo)允(yun)許的(de)充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，防止該(gai)電(dian)(dian)(dian)(dian)池(chi)過(guo)(guo)壓(ya)(ya)(ya)充(chong)電(dian)(dian)(dian)(dian)。
b)再如，在充(chong)電(dian)(dian)(dian)開始(shi)時，經電(dian)(dian)(dian)池管(guan)理系統(tong)(BMS)監測到(dao)有某一(yi)個(ge)單體電(dian)(dian)(dian)池的電(dian)(dian)(dian)壓過低，充(chong)電(dian)(dian)(dian)系統(tong)應能自(zi)動改小初(chu)始(shi)充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流，待電(dian)(dian)(dian)池的電(dian)(dian)(dian)壓正常(chang)后，再轉入(ru)正常(chang)充(chong)電(dian)(dian)(dian)。
所以(yi)，在充(chong)(chong)(chong)電(dian)(dian)過程(cheng)中，充(chong)(chong)(chong)電(dian)(dian)系統必(bi)須能(neng)根據電(dian)(dian)池組的(de)(de)狀態、電(dian)(dian)池管(guan)理系統(BMS)輸出(chu)的(de)(de)信息和整車(che)監控輸出(chu)的(de)(de)信息，自動(dong)調節(jie)充(chong)(chong)(chong)電(dian)(dian)參數(shu)和自動(dong)控制充(chong)(chong)(chong)電(dian)(dian)。
2)自動控制和(he)自動保護(hu)功能
在充(chong)電過程中，電池(chi)組和(he)電動車發(fa)生(sheng)任(ren)何不(bu)正常情(qing)況(kuang)時，如電池(chi)組短路(lu)、斷路(lu)、高溫、起火和(he)有電池(chi)損壞時，充(chong)電系統應能迅(xun)速切斷電源，停止充(chong)電。
3)與整車CAN總線通信
在充電(dian)過程(cheng)中，充電(dian)系統(tong)的信(xin)息可與整(zheng)車CAN總線通信(xin)。

上海施能電器設備有(you)限公司始(shi)建(jian)于1984年，上海市高新技術企業，中國工業車輛優秀配套供應商，上海電器行業名優產品，主要生產工頻系列充電機，高頻系列充電機，鋰電池充電機，系列放電機，系列充放電機等電器產品。