電動車電池哪種好
1、鉛酸蓄電池
優點:鉛酸(suan)(suan)蓄(xu)電(dian)池為(wei)數量最(zui)多。鉛酸(suan)(suan)蓄(xu)電(dian)池的價(jia)格最(zui)低,也最(zui)常用,中國是全世(shi)界鉛酸(suan)(suan)蓄(xu)電(dian)池最(zui)大的生產國。其含污染(ran)的成分比較少,可回收性好(hao)。
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)還是非常不理想的。
2、鎳氫電池
優點(dian):鎳氫電池的比容比鉛(qian)酸蓄(xu)電池好很多,單體電池的壽命(ming)也比較好,其(qi)大電流充(chong)放電特性也比鉛(qian)酸蓄(xu)電池好。
缺(que)點:鎳氫(qing)(qing)電(dian)(dian)(dian)池(chi)串連電(dian)(dian)(dian)池(chi)組的(de)(de)管理問(wen)(wen)(wen)題(ti)(ti)比較(jiao)多,一旦(dan)發生過充電(dian)(dian)(dian)以后,就會形(xing)成單體(ti)電(dian)(dian)(dian)池(chi)隔板熔化的(de)(de)問(wen)(wen)(wen)題(ti)(ti),導致整組電(dian)(dian)(dian)池(chi)迅速失(shi)效。所以,國產的(de)(de)鎳氫(qing)(qing)電(dian)(dian)(dian)池(chi)的(de)(de)關鍵技術問(wen)(wen)(wen)題(ti)(ti)還是充電(dian)(dian)(dian)器和(he)電(dian)(dian)(dian)池(chi)管理系統(tong)的(de)(de)問(wen)(wen)(wen)題(ti)(ti),而這(zhe)個問(wen)(wen)(wen)題(ti)(ti)還沒(mei)有(you)引起各個電(dian)(dian)(dian)池(chi)制(zhi)造(zao)商(shang)和(he)車廠足(zu)夠的(de)(de)重視。所以,鎳氫(qing)(qing)電(dian)(dian)(dian)池(chi)的(de)(de)發展收到很(hen)大的(de)(de)制(zhi)約。
3、鎳鎘電池
優點:鎳(nie)(nie)(nie)(nie)(nie)鎘(ge)電(dian)(dian)(dian)池(chi)(chi)的(de)(de)大(da)電(dian)(dian)(dian)流特性(xing)比鎳(nie)(nie)(nie)(nie)(nie)氫(qing)電(dian)(dian)(dian)池(chi)(chi)好,其(qi)抗過(guo)充(chong)電(dian)(dian)(dian)特性(xing)也(ye)比鎳(nie)(nie)(nie)(nie)(nie)氫(qing)電(dian)(dian)(dian)池(chi)(chi)好,中(zhong)國(guo)又是(shi)(shi)(shi)世界上鎳(nie)(nie)(nie)(nie)(nie)鎘(ge)電(dian)(dian)(dian)池(chi)(chi)的(de)(de)生產大(da)國(guo)。一些(xie)人(ren)提出(chu)鎘(ge)污染的(de)(de)問題,中(zhong)國(guo)現(xian)在(zai)還(huan)(huan)在(zai)大(da)量的(de)(de)向歐(ou)洲出(chu)口鎳(nie)(nie)(nie)(nie)(nie)鎘(ge)電(dian)(dian)(dian)池(chi)(chi)及其(qi)應(ying)用(yong)(yong)產品,歐(ou)洲到2006年才開(kai)始限(xian)制(zhi)。據中(zhong)央電(dian)(dian)(dian)視(shi)臺播(bo)放的(de)(de)消息,神州(zhou)五號還(huan)(huan)是(shi)(shi)(shi)采用(yong)(yong)鎳(nie)(nie)(nie)(nie)(nie)鎘(ge)電(dian)(dian)(dian)池(chi)(chi)的(de)(de)。這是(shi)(shi)(shi)其(qi)相對(dui)比較高的(de)(de)可靠性(xing)的(de)(de)優點使(shi)該(gai)品種電(dian)(dian)(dian)池(chi)(chi)還(huan)(huan)在(zai)應(ying)用(yong)(yong)與(yu)宇航設備(bei)上。這樣看,電(dian)(dian)(dian)動自行車(che)方面過(guo)早的(de)(de)使(shi)鎳(nie)(nie)(nie)(nie)(nie)鎘(ge)電(dian)(dian)(dian)池(chi)(chi)退(tui)出(chu)應(ying)用(yong)(yong)是(shi)(shi)(shi)否(fou)有一些(xie)過(guo)激?而鎳(nie)(nie)(nie)(nie)(nie)鎘(ge)電(dian)(dian)(dian)池(chi)(chi)的(de)(de)成本和(he)充(chong)電(dian)(dian)(dian)器的(de)(de)成本都明(ming)顯低于鎳(nie)(nie)(nie)(nie)(nie)氫(qing)電(dian)(dian)(dian)池(chi)(chi),只要回收處理(li)好了,還(huan)(huan)是(shi)(shi)(shi)應(ying)該(gai)保留這個電(dian)(dian)(dian)池(chi)(chi)品種的(de)(de)。
4、鋰離子電池
優點(dian):鋰離子電(dian)(dian)池(chi)(chi)(chi)(chi)的比容(rong)要好(hao)于(yu)(yu)鎳(nie)氫電(dian)(dian)池(chi)(chi)(chi)(chi),對于(yu)(yu)同(tong)樣容(rong)量(liang)的鉛酸(suan)蓄(xu)電(dian)(dian)池(chi)(chi)(chi)(chi)來說,鋰離子電(dian)(dian)池(chi)(chi)(chi)(chi)的重量(liang)相當于(yu)(yu)一臺(tai)筆(bi)記(ji)本電(dian)(dian)腦,這(zhe)樣老弱婦孺就都(dou)可(ke)以使(shi)用(yong)了。其壽命也可(ke)以比鎳(nie)氫電(dian)(dian)池(chi)(chi)(chi)(chi)做得好(hao)。目(mu)前的手機電(dian)(dian)池(chi)(chi)(chi)(chi)基本上都(dou)是(shi)采用(yong)這(zhe)種電(dian)(dian)池(chi)(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(zai)過充電(dian)(dian)和過放電(dian)(dian)狀(zhuang)態電(dian)(dian)池(chi)(chi)(chi)會(hui)發生爆炸,手機電(dian)(dian)池(chi)(chi)(chi)都是使(shi)用的(de)(de)(de)單(dan)體電(dian)(dian)池(chi)(chi)(chi),再經(jing)過良好的(de)(de)(de)保(bao)護(hu)電(dian)(dian)路來配合使(shi)用,基(ji)本上(shang)杜絕了電(dian)(dian)池(chi)(chi)(chi)爆炸的(de)(de)(de)問題(ti)。而在(zai)電(dian)(dian)動自行車(che)上(shang)使(shi)用,必(bi)須要使(shi)用串連電(dian)(dian)池(chi)(chi)(chi)組(zu),而串連電(dian)(dian)池(chi)(chi)(chi)組(zu)的(de)(de)(de)保(bao)護(hu)電(dian)(dian)路的(de)(de)(de)復雜程(cheng)度遠(yuan)(yuan)遠(yuan)(yuan)超過單(dan)體電(dian)(dian)池(chi)(chi)(chi)的(de)(de)(de)保(bao)護(hu)電(dian)(dian)路,其(qi)材料成本也(ye)大大增(zeng)加(jia)。目前一(yi)個良好的(de)(de)(de)鋰電(dian)(dian)池(chi)(chi)(chi)保(bao)護(hu)電(dian)(dian)路的(de)(de)(de)成本接(jie)近電(dian)(dian)池(chi)(chi)(chi)本身的(de)(de)(de)價(jia)格。
如何選購電動車電池
1、外觀
查看產品(pin)是(shi)(shi)否有(you)變(bian)形、裂紋、劃痕(hen)及漏液痕(hen)跡。電(dian)(dian)(dian)池接線(xian)端(duan)(duan)子上應干凈,無(wu)銹蝕,標(biao)志應清(qing)晰。好的(de)(de)電(dian)(dian)(dian)動(dong)車蓄電(dian)(dian)(dian)池外殼很厚(hou)實(shi),接線(xian)端(duan)(duan)子粗大,而(er)且電(dian)(dian)(dian)池上印字也(ye)清(qing)晰,另外要(yao)找(zhao)準正品(pin)的(de)(de),假(jia)(jia)冒偽(wei)劣的(de)(de)電(dian)(dian)(dian)池在外觀上與正品(pin)還是(shi)(shi)有(you)區別的(de)(de),要(yao)仔細辨認。一般大品(pin)牌的(de)(de)電(dian)(dian)(dian)池都(dou)有(you)防(fang)偽(wei)標(biao)識(shi),防(fang)偽(wei)標(biao)識(shi)都(dou)是(shi)(shi)統一的(de)(de),防(fang)偽(wei)碼都(dou)是(shi)(shi)16位,具有(you)唯(wei)一性(xing),每只電(dian)(dian)(dian)池上都(dou)是(shi)(shi)單(dan)獨的(de)(de)號(hao)碼。而(er)且防(fang)偽(wei)查詢電(dian)(dian)(dian)話是(shi)(shi)國家質檢(jian)總局(ju)的(de)(de),這(zhe)個是(shi)(shi)沒法(fa)造假(jia)(jia)的(de)(de)。
2、性能測試
查看電(dian)(dian)池(chi)外(wai)觀后,要(yao)對電(dian)(dian)池(chi)進行性(xing)能測(ce)試(shi)。性(xing)能優良的電(dian)(dian)動車蓄(xu)電(dian)(dian)池(chi)內(nei)阻小,單體(ti)電(dian)(dian)壓誤差也小。
內阻:大電(dian)流(liu)放電(dian)時測量(liang)蓄(xu)電(dian)池電(dian)壓,電(dian)壓降(jiang)的越(yue)小越(yue)好;
單體(ti)電壓:電池充電進(jin)入飽和(he)后和(he)蓄電池的電壓應(ying)該是一直的,誤差以小(xiao)于(yu)0.05伏為最(zui)好。
3、額定容量
電(dian)(dian)池標注(zhu)(zhu)的(de)(de)額(e)定容(rong)量越(yue)大,電(dian)(dian)池放電(dian)(dian)時間(jian)越(yue)長。最(zui)好(hao)不要(yao)購(gou)(gou)買無額(e)定標注(zhu)(zhu)的(de)(de)電(dian)(dian)池,要(yao)注(zhu)(zhu)意是否為(wei)電(dian)(dian)動車專用。如有多(duo)個(ge)容(rong)量標注(zhu)(zhu),應以額(e)定容(rong)量為(wei)準(zhun)。另外(wai),選(xuan)購(gou)(gou)與電(dian)(dian)池配套的(de)(de)、帶自(zi)動控制的(de)(de)智能型充(chong)電(dian)(dian)器。合適(shi)的(de)(de)充(chong)電(dian)(dian)器能自(zi)動調節充(chong)電(dian)(dian)大小和時間(jian),有利于延(yan)長電(dian)(dian)池的(de)(de)使用壽命。
4、電動車電池種類
當前(qian)市場上電動車(che)(che)電池(chi)種(zhong)類較多(duo),比(bi)如鉛酸(suan)電池(chi),三元鋰(li)電池(chi),磷(lin)酸(suan)鐵(tie)(tie)鋰(li)電池(chi)等等。不(bu)同(tong)種(zhong)類的(de)(de)電動車(che)(che)電池(chi)使用(yong)壽(shou)命(ming)不(bu)同(tong),價(jia)格也有各自(zi)的(de)(de)差異(yi),對環境污染(ran)各不(bu)一(yi)(yi)樣。當然鉛酸(suan)電池(chi)是(shi)目前(qian)使用(yong)較多(duo)的(de)(de),優點是(shi)價(jia)格便宜這也是(shi)很多(duo)人選(xuan)擇的(de)(de)主要原因之一(yi)(yi),其實除(chu)了鉛酸(suan)電池(chi)外我們(men)還可以有更多(duo)的(de)(de)選(xuan)擇,例如磷(lin)酸(suan)鐵(tie)(tie)鋰(li)電池(chi),與鉛酸(suan)相比(bi)較,重量輕2-3倍,使用(yong)壽(shou)命(ming)也是(shi)鉛酸(suan)的(de)(de)好幾倍,長(chang)時(shi)間對比(bi)其實磷(lin)酸(suan)鐵(tie)(tie)鋰(li)電池(chi)會(hui)相對便宜一(yi)(yi)點,且無污染(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(zhi)量是首要(yao)的(de),同(tong)時(shi)售后(hou)服務也是必須(xu)的(de),要(yao)注意(yi)購買的(de)電動車(che)電池售后(hou)服務完不(bu)完善(shan)。