電動車電池哪種好
1、鉛酸蓄電池
優點:鉛酸(suan)蓄電(dian)(dian)池(chi)為數量最(zui)(zui)多。鉛酸(suan)蓄電(dian)(dian)池(chi)的(de)價格最(zui)(zui)低,也最(zui)(zui)常用,中國是全世界鉛酸(suan)蓄電(dian)(dian)池(chi)最(zui)(zui)大(da)的(de)生產國。其含污染的(de)成分比較少,可回收性好。
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(qi)壽(shou)命還是(shi)非常不理想的(de)。
2、鎳氫電池
優點:鎳氫電(dian)(dian)池(chi)的(de)(de)比(bi)(bi)容比(bi)(bi)鉛酸蓄電(dian)(dian)池(chi)好(hao)(hao)很多,單(dan)體電(dian)(dian)池(chi)的(de)(de)壽(shou)命(ming)也比(bi)(bi)較好(hao)(hao),其大電(dian)(dian)流(liu)充放電(dian)(dian)特(te)性也比(bi)(bi)鉛酸蓄電(dian)(dian)池(chi)好(hao)(hao)。
缺點:鎳(nie)氫電(dian)池(chi)串連電(dian)池(chi)組的(de)(de)(de)(de)管(guan)理問題(ti)(ti)比較多,一旦發生過充(chong)電(dian)以(yi)后,就會形成(cheng)單體電(dian)池(chi)隔板熔化(hua)的(de)(de)(de)(de)問題(ti)(ti),導致整組電(dian)池(chi)迅(xun)速失效。所以(yi),國產的(de)(de)(de)(de)鎳(nie)氫電(dian)池(chi)的(de)(de)(de)(de)關鍵技術問題(ti)(ti)還是充(chong)電(dian)器和電(dian)池(chi)管(guan)理系統的(de)(de)(de)(de)問題(ti)(ti),而(er)這個問題(ti)(ti)還沒有引起各個電(dian)池(chi)制造商(shang)和車廠足夠的(de)(de)(de)(de)重視(shi)。所以(yi),鎳(nie)氫電(dian)池(chi)的(de)(de)(de)(de)發展收到很大的(de)(de)(de)(de)制約。
3、鎳鎘電池
優點(dian):鎳(nie)鎘電(dian)(dian)(dian)池(chi)(chi)的(de)大(da)電(dian)(dian)(dian)流特性比鎳(nie)氫電(dian)(dian)(dian)池(chi)(chi)好,其抗過充(chong)電(dian)(dian)(dian)特性也比鎳(nie)氫電(dian)(dian)(dian)池(chi)(chi)好,中國又(you)是世界上鎳(nie)鎘電(dian)(dian)(dian)池(chi)(chi)的(de)生(sheng)產大(da)國。一(yi)些人提(ti)出鎘污染(ran)的(de)問題,中國現(xian)在(zai)(zai)還在(zai)(zai)大(da)量(liang)的(de)向歐洲出口鎳(nie)鎘電(dian)(dian)(dian)池(chi)(chi)及(ji)其應用(yong)產品(pin)(pin),歐洲到2006年才開始限(xian)制。據中央電(dian)(dian)(dian)視臺播放的(de)消息,神州(zhou)五號還是采用(yong)鎳(nie)鎘電(dian)(dian)(dian)池(chi)(chi)的(de)。這是其相對比較(jiao)高(gao)的(de)可靠性的(de)優點(dian)使該品(pin)(pin)種(zhong)電(dian)(dian)(dian)池(chi)(chi)還在(zai)(zai)應用(yong)與宇航設備上。這樣看,電(dian)(dian)(dian)動(dong)自(zi)行車(che)方(fang)面過早(zao)的(de)使鎳(nie)鎘電(dian)(dian)(dian)池(chi)(chi)退(tui)出應用(yong)是否(fou)有一(yi)些過激?而鎳(nie)鎘電(dian)(dian)(dian)池(chi)(chi)的(de)成(cheng)本(ben)和(he)充(chong)電(dian)(dian)(dian)器的(de)成(cheng)本(ben)都明顯低(di)于鎳(nie)氫電(dian)(dian)(dian)池(chi)(chi),只要(yao)回收處理好了,還是應該保留這個電(dian)(dian)(dian)池(chi)(chi)品(pin)(pin)種(zhong)的(de)。
4、鋰離子電池
優點:鋰(li)離子(zi)電(dian)池(chi)(chi)(chi)的比容要好于鎳氫電(dian)池(chi)(chi)(chi),對(dui)于同樣容量的鉛酸蓄電(dian)池(chi)(chi)(chi)來(lai)說,鋰(li)離子(zi)電(dian)池(chi)(chi)(chi)的重量相當(dang)于一臺筆記本電(dian)腦(nao),這樣老弱婦孺就(jiu)都可以使用(yong)了。其(qi)壽命(ming)也可以比鎳氫電(dian)池(chi)(chi)(chi)做得(de)好。目前的手機電(dian)池(chi)(chi)(chi)基本上都是(shi)采用(yong)這種電(dian)池(chi)(chi)(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要的(de)(de)(de)問題(ti)是在過(guo)(guo)充電(dian)(dian)(dian)(dian)和過(guo)(guo)放(fang)電(dian)(dian)(dian)(dian)狀態電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)會發生爆炸,手機電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)都是使用的(de)(de)(de)單體電(dian)(dian)(dian)(dian)池(chi)(chi)(chi),再經過(guo)(guo)良(liang)好的(de)(de)(de)保護(hu)電(dian)(dian)(dian)(dian)路(lu)來配合使用,基本(ben)上(shang)杜絕(jue)了電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)爆炸的(de)(de)(de)問題(ti)。而(er)(er)在電(dian)(dian)(dian)(dian)動自行車上(shang)使用,必須要使用串(chuan)連電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)組(zu),而(er)(er)串(chuan)連電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)組(zu)的(de)(de)(de)保護(hu)電(dian)(dian)(dian)(dian)路(lu)的(de)(de)(de)復(fu)雜程(cheng)度遠(yuan)遠(yuan)超過(guo)(guo)單體電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)(de)保護(hu)電(dian)(dian)(dian)(dian)路(lu),其材料成本(ben)也大(da)(da)大(da)(da)增加。目(mu)前一個(ge)良(liang)好的(de)(de)(de)鋰電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)保護(hu)電(dian)(dian)(dian)(dian)路(lu)的(de)(de)(de)成本(ben)接近電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)本(ben)身的(de)(de)(de)價格(ge)。
如何選購電動車電池
1、外觀
查看產品是(shi)(shi)否有(you)(you)變形、裂(lie)紋、劃痕及漏液痕跡。電(dian)池(chi)(chi)接線端(duan)子上應干凈,無銹(xiu)蝕,標志應清晰。好的(de)電(dian)動車蓄電(dian)池(chi)(chi)外殼很(hen)厚實,接線端(duan)子粗大,而且(qie)電(dian)池(chi)(chi)上印字也(ye)清晰,另(ling)外要找(zhao)準(zhun)正品的(de),假冒(mao)偽劣(lie)的(de)電(dian)池(chi)(chi)在外觀(guan)上與(yu)正品還(huan)是(shi)(shi)有(you)(you)區別的(de),要仔細辨認。一般大品牌的(de)電(dian)池(chi)(chi)都(dou)有(you)(you)防(fang)偽標識,防(fang)偽標識都(dou)是(shi)(shi)統(tong)一的(de),防(fang)偽碼都(dou)是(shi)(shi)16位,具(ju)有(you)(you)唯一性(xing),每只電(dian)池(chi)(chi)上都(dou)是(shi)(shi)單獨的(de)號碼。而且(qie)防(fang)偽查詢電(dian)話是(shi)(shi)國(guo)家質檢總局的(de),這個(ge)是(shi)(shi)沒(mei)法造假的(de)。
2、性能測試
查(cha)看電(dian)池(chi)外觀后,要對(dui)電(dian)池(chi)進行性能(neng)測試(shi)。性能(neng)優良的(de)電(dian)動車蓄(xu)電(dian)池(chi)內阻小,單體電(dian)壓誤差也(ye)小。
內阻:大電(dian)流(liu)放(fang)電(dian)時(shi)測量蓄電(dian)池電(dian)壓(ya),電(dian)壓(ya)降的越(yue)小越(yue)好(hao);
單體電(dian)壓(ya):電(dian)池充電(dian)進(jin)入(ru)飽和后和蓄電(dian)池的電(dian)壓(ya)應該是一(yi)直的,誤差以小于(yu)0.05伏(fu)為最好(hao)。
3、額定容量
電(dian)(dian)池(chi)(chi)標注的(de)(de)額(e)定(ding)(ding)容量越大,電(dian)(dian)池(chi)(chi)放電(dian)(dian)時間(jian)越長(chang)。最好不(bu)要購買無額(e)定(ding)(ding)標注的(de)(de)電(dian)(dian)池(chi)(chi),要注意是(shi)否為(wei)電(dian)(dian)動車(che)專用。如有多個(ge)容量標注,應以額(e)定(ding)(ding)容量為(wei)準。另外(wai),選購與電(dian)(dian)池(chi)(chi)配套的(de)(de)、帶自動控制的(de)(de)智能型(xing)充(chong)電(dian)(dian)器(qi)。合適的(de)(de)充(chong)電(dian)(dian)器(qi)能自動調(diao)節充(chong)電(dian)(dian)大小和時間(jian),有利于(yu)延長(chang)電(dian)(dian)池(chi)(chi)的(de)(de)使用壽(shou)命(ming)。
4、電動車電池種類
當前(qian)市場(chang)上電(dian)(dian)動(dong)車電(dian)(dian)池(chi)(chi)(chi)種類(lei)(lei)較(jiao)多(duo)(duo),比如鉛酸電(dian)(dian)池(chi)(chi)(chi),三元鋰(li)電(dian)(dian)池(chi)(chi)(chi),磷(lin)酸鐵(tie)(tie)鋰(li)電(dian)(dian)池(chi)(chi)(chi)等等。不同種類(lei)(lei)的(de)電(dian)(dian)動(dong)車電(dian)(dian)池(chi)(chi)(chi)使用壽(shou)命不同,價(jia)格也有各(ge)自的(de)差異(yi),對環(huan)境(jing)污(wu)染(ran)各(ge)不一樣。當然(ran)鉛酸電(dian)(dian)池(chi)(chi)(chi)是目(mu)前(qian)使用較(jiao)多(duo)(duo)的(de),優點是價(jia)格便宜這也是很多(duo)(duo)人選擇的(de)主要原因之(zhi)一,其(qi)實除(chu)了鉛酸電(dian)(dian)池(chi)(chi)(chi)外我們還可以有更(geng)多(duo)(duo)的(de)選擇,例如磷(lin)酸鐵(tie)(tie)鋰(li)電(dian)(dian)池(chi)(chi)(chi),與(yu)鉛酸相(xiang)比較(jiao),重量(liang)輕(qing)2-3倍,使用壽(shou)命也是鉛酸的(de)好幾倍,長時間(jian)對比其(qi)實磷(lin)酸鐵(tie)(tie)鋰(li)電(dian)(dian)池(chi)(chi)(chi)會相(xiang)對便宜一點,且無污(wu)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(zhi)量是(shi)首要的,同時售后服務(wu)也是(shi)必須的,要注意購買的電(dian)動車電(dian)池售后服務(wu)完(wan)不完(wan)善。