電動車電池哪種好
1、鉛酸蓄電池
優點:鉛酸(suan)(suan)蓄(xu)電池(chi)為數量最(zui)多。鉛酸(suan)(suan)蓄(xu)電池(chi)的價格最(zui)低,也(ye)最(zui)常用,中國是(shi)全世界鉛酸(suan)(suan)蓄(xu)電池(chi)最(zui)大的生產國。其含污染的成分比較(jiao)少,可回收(shou)性好。
缺點:比容小、壽命短。也就是說,在同樣的容量下,電池重量和體積都大。目前的鉛酸蓄電池基本上是由浮充類型的電池發展而來的。浮充電池不適應快速充電和大電流放電,雖然技術人員的花費了大量的心血進行了卓有成效的改進,可以進入實用了,但是作為電動車電池其壽命(ming)還是非常不(bu)理想的。
2、鎳氫電池
優點(dian):鎳氫電(dian)池(chi)的(de)比(bi)容比(bi)鉛酸(suan)蓄(xu)電(dian)池(chi)好(hao)很多,單體電(dian)池(chi)的(de)壽命(ming)也比(bi)較好(hao),其大電(dian)流充放電(dian)特性也比(bi)鉛酸(suan)蓄(xu)電(dian)池(chi)好(hao)。
缺點:鎳(nie)(nie)氫電(dian)(dian)池(chi)(chi)串連電(dian)(dian)池(chi)(chi)組的(de)(de)管理(li)問(wen)題(ti)(ti)(ti)比較多,一(yi)旦發生過充電(dian)(dian)以后,就會形成單體電(dian)(dian)池(chi)(chi)隔板熔(rong)化的(de)(de)問(wen)題(ti)(ti)(ti),導致整組電(dian)(dian)池(chi)(chi)迅速失效。所以,國產的(de)(de)鎳(nie)(nie)氫電(dian)(dian)池(chi)(chi)的(de)(de)關鍵技術問(wen)題(ti)(ti)(ti)還是充電(dian)(dian)器和(he)電(dian)(dian)池(chi)(chi)管理(li)系統的(de)(de)問(wen)題(ti)(ti)(ti),而這個(ge)問(wen)題(ti)(ti)(ti)還沒(mei)有(you)引起(qi)各個(ge)電(dian)(dian)池(chi)(chi)制(zhi)造商和(he)車廠足夠的(de)(de)重(zhong)視。所以,鎳(nie)(nie)氫電(dian)(dian)池(chi)(chi)的(de)(de)發展收到很大的(de)(de)制(zhi)約。
3、鎳鎘電池
優點:鎳(nie)(nie)(nie)鎘電(dian)(dian)池(chi)(chi)(chi)的(de)(de)大(da)電(dian)(dian)流特性比鎳(nie)(nie)(nie)氫電(dian)(dian)池(chi)(chi)(chi)好,其(qi)抗過(guo)充電(dian)(dian)特性也比鎳(nie)(nie)(nie)氫電(dian)(dian)池(chi)(chi)(chi)好,中國(guo)又(you)是(shi)世界(jie)上(shang)(shang)鎳(nie)(nie)(nie)鎘電(dian)(dian)池(chi)(chi)(chi)的(de)(de)生產大(da)國(guo)。一(yi)些人提出鎘污染的(de)(de)問題,中國(guo)現在(zai)(zai)(zai)還在(zai)(zai)(zai)大(da)量的(de)(de)向歐(ou)洲(zhou)出口鎳(nie)(nie)(nie)鎘電(dian)(dian)池(chi)(chi)(chi)及其(qi)應用產品(pin),歐(ou)洲(zhou)到2006年才開始(shi)限制。據中央電(dian)(dian)視臺(tai)播放的(de)(de)消(xiao)息,神州五號還是(shi)采用鎳(nie)(nie)(nie)鎘電(dian)(dian)池(chi)(chi)(chi)的(de)(de)。這是(shi)其(qi)相對比較(jiao)高的(de)(de)可靠性的(de)(de)優點使(shi)該品(pin)種(zhong)電(dian)(dian)池(chi)(chi)(chi)還在(zai)(zai)(zai)應用與(yu)宇航(hang)設備上(shang)(shang)。這樣看,電(dian)(dian)動(dong)自行(xing)車方面過(guo)早的(de)(de)使(shi)鎳(nie)(nie)(nie)鎘電(dian)(dian)池(chi)(chi)(chi)退出應用是(shi)否有(you)一(yi)些過(guo)激?而鎳(nie)(nie)(nie)鎘電(dian)(dian)池(chi)(chi)(chi)的(de)(de)成本和充電(dian)(dian)器的(de)(de)成本都明顯低于鎳(nie)(nie)(nie)氫電(dian)(dian)池(chi)(chi)(chi),只要回(hui)收處理好了,還是(shi)應該保(bao)留這個電(dian)(dian)池(chi)(chi)(chi)品(pin)種(zhong)的(de)(de)。
4、鋰離子電池
優點:鋰離子(zi)電(dian)(dian)池(chi)的比容(rong)要好于(yu)鎳氫電(dian)(dian)池(chi),對于(yu)同樣容(rong)量的鉛酸蓄電(dian)(dian)池(chi)來(lai)說,鋰離子(zi)電(dian)(dian)池(chi)的重量相當于(yu)一(yi)臺(tai)筆記本(ben)電(dian)(dian)腦,這樣老弱婦孺就(jiu)都(dou)可以(yi)使(shi)用了。其壽命也可以(yi)比鎳氫電(dian)(dian)池(chi)做得好。目(mu)前的手(shou)機電(dian)(dian)池(chi)基(ji)本(ben)上都(dou)是采用這種電(dian)(dian)池(chi)。
缺點:鋰電池的內阻相對比較大,在電動自行車上使用會出現電池即將完全放電的時候感覺車的動力不足。鋰離子電動車電池更主(zhu)要的(de)問(wen)題(ti)是(shi)在(zai)過(guo)充電(dian)(dian)(dian)(dian)和過(guo)放電(dian)(dian)(dian)(dian)狀態電(dian)(dian)(dian)(dian)池(chi)(chi)會發(fa)生爆炸,手(shou)機電(dian)(dian)(dian)(dian)池(chi)(chi)都是(shi)使(shi)用(yong)的(de)單體電(dian)(dian)(dian)(dian)池(chi)(chi),再經(jing)過(guo)良好的(de)保(bao)護(hu)電(dian)(dian)(dian)(dian)路來配(pei)合使(shi)用(yong),基本(ben)上(shang)杜(du)絕(jue)了電(dian)(dian)(dian)(dian)池(chi)(chi)爆炸的(de)問(wen)題(ti)。而(er)在(zai)電(dian)(dian)(dian)(dian)動自行車上(shang)使(shi)用(yong),必須要使(shi)用(yong)串連(lian)(lian)電(dian)(dian)(dian)(dian)池(chi)(chi)組,而(er)串連(lian)(lian)電(dian)(dian)(dian)(dian)池(chi)(chi)組的(de)保(bao)護(hu)電(dian)(dian)(dian)(dian)路的(de)復雜程度遠(yuan)遠(yuan)超過(guo)單體電(dian)(dian)(dian)(dian)池(chi)(chi)的(de)保(bao)護(hu)電(dian)(dian)(dian)(dian)路,其材料成(cheng)本(ben)也大(da)(da)大(da)(da)增加。目(mu)前一個良好的(de)鋰電(dian)(dian)(dian)(dian)池(chi)(chi)保(bao)護(hu)電(dian)(dian)(dian)(dian)路的(de)成(cheng)本(ben)接近電(dian)(dian)(dian)(dian)池(chi)(chi)本(ben)身的(de)價(jia)格。
如何選購電動車電池
1、外觀
查(cha)看(kan)產(chan)品(pin)是(shi)否有(you)變形、裂紋、劃痕(hen)(hen)及漏液痕(hen)(hen)跡。電(dian)(dian)池接線端子(zi)(zi)上(shang)應干凈,無銹蝕,標(biao)志應清(qing)晰。好的(de)(de)(de)電(dian)(dian)動車蓄電(dian)(dian)池外殼很厚(hou)實,接線端子(zi)(zi)粗大(da),而且電(dian)(dian)池上(shang)印字也清(qing)晰,另外要(yao)找(zhao)準正(zheng)品(pin)的(de)(de)(de),假冒偽(wei)劣的(de)(de)(de)電(dian)(dian)池在外觀(guan)上(shang)與正(zheng)品(pin)還是(shi)有(you)區別的(de)(de)(de),要(yao)仔(zi)細辨認。一般大(da)品(pin)牌的(de)(de)(de)電(dian)(dian)池都有(you)防偽(wei)標(biao)識,防偽(wei)標(biao)識都是(shi)統一的(de)(de)(de),防偽(wei)碼都是(shi)16位,具有(you)唯一性,每只電(dian)(dian)池上(shang)都是(shi)單獨的(de)(de)(de)號碼。而且防偽(wei)查(cha)詢(xun)電(dian)(dian)話是(shi)國家質檢總局的(de)(de)(de),這(zhe)個是(shi)沒法造假的(de)(de)(de)。
2、性能測試
查看電(dian)池外觀(guan)后(hou),要對電(dian)池進行性能測試。性能優(you)良的電(dian)動(dong)車蓄電(dian)池內阻(zu)小,單體電(dian)壓誤差也小。
內阻:大電流放電時測量蓄電池(chi)電壓,電壓降的越(yue)小越(yue)好;
單體電壓(ya)(ya):電池充電進入飽和后和蓄電池的(de)電壓(ya)(ya)應該是(shi)一直(zhi)的(de),誤(wu)差以小于0.05伏為最好(hao)。
3、額定容量
電(dian)(dian)(dian)(dian)池標注的(de)額(e)定容量越(yue)大,電(dian)(dian)(dian)(dian)池放電(dian)(dian)(dian)(dian)時間越(yue)長。最好(hao)不要購(gou)買無額(e)定標注的(de)電(dian)(dian)(dian)(dian)池,要注意是否為(wei)(wei)電(dian)(dian)(dian)(dian)動(dong)(dong)車專用。如(ru)有(you)多個容量標注,應(ying)以額(e)定容量為(wei)(wei)準。另(ling)外,選購(gou)與(yu)電(dian)(dian)(dian)(dian)池配套的(de)、帶自動(dong)(dong)控制(zhi)的(de)智能型充(chong)電(dian)(dian)(dian)(dian)器。合適的(de)充(chong)電(dian)(dian)(dian)(dian)器能自動(dong)(dong)調節充(chong)電(dian)(dian)(dian)(dian)大小和時間,有(you)利于延長電(dian)(dian)(dian)(dian)池的(de)使用壽(shou)命。
4、電動車電池種類
當前市(shi)場(chang)上電(dian)(dian)動(dong)(dong)車電(dian)(dian)池(chi)(chi)種(zhong)類較多(duo),比(bi)如鉛(qian)酸(suan)(suan)(suan)電(dian)(dian)池(chi)(chi),三元鋰電(dian)(dian)池(chi)(chi),磷(lin)(lin)酸(suan)(suan)(suan)鐵(tie)鋰電(dian)(dian)池(chi)(chi)等等。不同種(zhong)類的(de)電(dian)(dian)動(dong)(dong)車電(dian)(dian)池(chi)(chi)使(shi)用壽命(ming)不同,價(jia)格也有各(ge)自的(de)差異(yi),對環境污染(ran)各(ge)不一(yi)樣。當然鉛(qian)酸(suan)(suan)(suan)電(dian)(dian)池(chi)(chi)是(shi)目前使(shi)用較多(duo)的(de),優點是(shi)價(jia)格便宜這也是(shi)很多(duo)人選擇(ze)的(de)主要原因之一(yi),其實除(chu)了鉛(qian)酸(suan)(suan)(suan)電(dian)(dian)池(chi)(chi)外我們還可以有更多(duo)的(de)選擇(ze),例如磷(lin)(lin)酸(suan)(suan)(suan)鐵(tie)鋰電(dian)(dian)池(chi)(chi),與(yu)鉛(qian)酸(suan)(suan)(suan)相(xiang)比(bi)較,重量輕(qing)2-3倍,使(shi)用壽命(ming)也是(shi)鉛(qian)酸(suan)(suan)(suan)的(de)好幾倍,長時間(jian)對比(bi)其實磷(lin)(lin)酸(suan)(suan)(suan)鐵(tie)鋰電(dian)(dian)池(chi)(chi)會(hui)相(xiang)對便宜一(yi)點,且無(wu)污染(ran)。
5、看品牌
大品牌的電動車電池信譽有保障,質量也過關,而且大品牌售后服務也到位。買電動車電池質量(liang)是首(shou)要(yao)(yao)的,同時售(shou)后服(fu)務(wu)(wu)也是必須的,要(yao)(yao)注意購買的電(dian)動車(che)電(dian)池售(shou)后服(fu)務(wu)(wu)完(wan)不(bu)完(wan)善。