電(dian)(dian)(dian)(dian)(dian)(dian)動車(che)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)是電(dian)(dian)(dian)(dian)(dian)(dian)動車(che)上(shang)的(de)動力(li)來(lai)源,能夠被電(dian)(dian)(dian)(dian)(dian)(dian)動自行車(che)使用(yong)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)有(you)閥控鉛(qian)酸免(mian)維(wei)護蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)、膠體鉛(qian)酸蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)、鎳氫蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)和(he)鋰(li)(li)(li)離(li)子電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)。鋰(li)(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)和(he)鉛(qian)酸蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)是最(zui)常用(yong)的(de)電(dian)(dian)(dian)(dian)(dian)(dian)動車(che)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi),那么(me),鋰(li)(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)和(he)鉛(qian)酸蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)區別(bie)是什么(me)?鋰(li)(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的(de)質(zhi)量比(bi)、體積比(bi)、能量比(bi)都高于(yu)鉛(qian)酸電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)大概約40%。接下(xia)(xia)來(lai)就一(yi)起(qi)來(lai)了解一(yi)下(xia)(xia)電(dian)(dian)(dian)(dian)(dian)(dian)動車(che)鋰(li)(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)和(he)鉛(qian)酸蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)吧。
鉛(qian)酸(suan)電(dian)池的(de)電(dian)極主(zhu)要(yao)(yao)由鉛(qian)及(ji)其氧化物制成(cheng),電(dian)解液(ye)是硫(liu)酸(suan)溶液(ye)。鉛(qian)酸(suan)電(dian)池荷電(dian)狀態(tai)下(xia),正極主(zhu)要(yao)(yao)成(cheng)分(fen)為二氧化鉛(qian),負極主(zhu)要(yao)(yao)成(cheng)分(fen)為鉛(qian);放電(dian)狀態(tai)下(xia),正負極的(de)主(zhu)要(yao)(yao)成(cheng)分(fen)均為硫(liu)酸(suan)鉛(qian)。
1、安全對比
動力型鋰電池(錳(meng)酸(suan)鋰、磷酸(suan)鐵鋰)材料不(bu)同安(an)全性有所差別(bie),鉛酸(suan)電池技術(shu)已經相當成熟,安(an)全性比鋰電池高。
2、環(huan)保(bao)對比
鋰電池沒有(you)污染(ran),而鉛酸電池有(you)重金屬鉛的污染(ran)。所(suo)以(yi)使(shi)用鉛酸電池的電動汽(qi)車還是會污染(ran)環境。
3、價(jia)格對比
市場上相(xiang)同(tong)容量的鋰電(dian)池價格(ge)是(shi)鉛酸(suan)電(dian)池的一倍多。這就是(shi)使(shi)用鋰電(dian)池的電(dian)動汽(qi)車價格(ge)比(bi)較貴(gui)的原(yuan)因(yin)。
4、能(neng)量對比
鋰電(dian)池(chi)的質量(liang)比、體積比、能量(liang)比都高于(yu)鉛酸電(dian)池(chi)大(da)概約40%。
5、自放電率(lv)對比
鋰電(dian)池月(yue)自放電(dian)小于3%,而鉛酸電(dian)池15~30%,差別較(jiao)大。
6、使用(yong)壽命對比
目前(qian)通用的磷酸鐵鋰充電1500次,沒有記憶效(xiao)應,充電1500次后約85%的存儲能力(li),而鉛(qian)酸電池(chi)為500次左(zuo)右,存儲能力(li)也(ye)會大幅下降,而且記憶效(xiao)應很(hen)明顯(xian)。所以(yi)使用鋰電池(chi)的電動汽車電池(chi)使用壽命會更長(chang)。
7、電(dian)壓平臺對(dui)比
鋰電(dian)池(chi)電(dian)壓平臺都大(da)于3V,鉛酸電(dian)池(chi)是2V。
8、放電特性對比
簡(jian)單的(de)(de)說同樣容量的(de)(de)電池,大電流放(fang)(fang)電的(de)(de)情(qing)況下(xia),鋰電池要比(bi)鉛酸電池多放(fang)(fang)出來約(yue)30%的(de)(de)電。
9、耐(nai)用性方面
鋰電(dian)池(chi)耐(nai)用性較強,耐(nai)震(zhen)動(dong)性好(hao),完全(quan)充電(dian)狀態的(de)電(dian)池(chi)安全(quan)固定,消耗慢,充放超過500次(ci),并且無記憶,一般壽命在(zai)4—5年。鉛酸(suan)電(dian)池(chi)一般在(zai)深(shen)充深(shen)放電(dian)400次(ci)以(yi)內,有記憶,壽命在(zai)兩(liang)年左右(you)。如果(guo)使用的(de)是(shi)免維護鉛酸(suan)蓄(xu)電(dian)池(chi),需要注意的(de)是(shi)其電(dian)池(chi)失(shi)水(shui)量(liang)少,使用中(zhong)一般不需添加蒸餾水(shui)。
鉛酸電池優缺點
性價比高一般(ban)認為電(dian)動(dong)車用鉛(qian)酸電(dian)池比鋰(li)電(dian)池要好,主要是(shi)因為鉛(qian)酸電(dian)池更安全,價格相(xiang)對便宜(yi),大眾更容易接受,最(zui)重要的(de)是(shi)鉛(qian)酸電(dian)池回(hui)收價格比鋰(li)電(dian)池更高。
高倍率放電性能更好一(yi)般來說,一(yi)組(zu)鉛(qian)酸(suan)電(dian)(dian)池只(zhi)要幾百(bai)塊,一(yi)組(zu)鋰電(dian)(dian)池,隨(sui)隨(sui)便便的(de)就要一(yi)千(qian)多近兩(liang)千(qian)塊。鉛(qian)酸(suan)電(dian)(dian)池過載能力和抗沖擊能力強,電(dian)(dian)動車行(xing)駛中的(de)阻(zu)力,隨(sui)時變換,甚至突然(ran)被停止,這時電(dian)(dian)池電(dian)(dian)流變化很大的(de),在打火那幾秒鐘,電(dian)(dian)流達兩(liang)三(san)百(bai)安培,鉛(qian)酸(suan)電(dian)(dian)池能安然(ran)無恙,而鋰電(dian)(dian)池則是難望其(qi)項(xiang)背。
鉛酸電池也有(you)缺點比(bi)如重金屬容(rong)易造成(cheng)環境污(wu)染;與(yu)鋰電池(chi)相比(bi),鉛酸電池(chi)能量(liang)密度更低;而(er)且其(qi)使用壽命不(bu)及鋰電池(chi)。
鋰電池優缺點
能效高鋰電池(chi)(chi)無論(lun)是體(ti)(ti)積比能(neng)量(liang),還(huan)是重(zhong)量(liang)比能(neng)量(liang),鋰電池(chi)(chi)均比鉛酸(suan)蓄(xu)電池(chi)(chi)高出(chu)3倍以上。鋰電池(chi)(chi)體(ti)(ti)積更(geng)(geng)小、重(zhong)量(liang)更(geng)(geng)輕、循環(huan)壽命長(chang)。
輕便環保鋰電(dian)池相對輕巧,攜帶方便,而壽命相對要長很多。此外,鋰電(dian)池的高(gao)低(di)溫(wen)適應(ying)性更(geng)強(qiang),受溫(wen)度影響因素較小,且更(geng)加綠色環保(bao)。
鋰電池也有三個缺點其安全穩定性相對而言比較差,要是操作不當(dang),很(hen)容易發生爆炸(zha)的風險。另外,鋰電(dian)池(chi)不能大電(dian)流放(fang)電(dian)且生產要求條件高(gao)(gao),成本更(geng)高(gao)(gao)。
小結
以(yi)目(mu)(mu)前(qian)而(er)言,鋰電(dian)(dian)(dian)車(che)(che)(che)(che)市場普(pu)及率低(di)于鉛酸電(dian)(dian)(dian)池(chi)(chi)車(che)(che)(che)(che),其(qi)主要的(de)因素是技(ji)術的(de)不完善,鋰電(dian)(dian)(dian)池(chi)(chi)成本仍相對(dui)偏高(gao)。因此在現(xian)有“鋰電(dian)(dian)(dian)車(che)(che)(che)(che)”產(chan)品設計(ji)中,多(duo)采用減少(shao)鋰電(dian)(dian)(dian)池(chi)(chi)的(de)容量(liang)配置,來相應降低(di)整(zheng)車(che)(che)(che)(che)實施(shi)成本,而(er)這使得現(xian)有“鋰電(dian)(dian)(dian)車(che)(che)(che)(che)”產(chan)品之(zhi)車(che)(che)(che)(che)型過(guo)于單(dan)(dan)一(yi)化。比如,目(mu)(mu)前(qian)市面上鋰電(dian)(dian)(dian)產(chan)品多(duo)為“電(dian)(dian)(dian)單(dan)(dan)車(che)(che)(che)(che)”而(er)且續程不是很遠的(de)車(che)(che)(che)(che)型,但是像(xiang)四輪電(dian)(dian)(dian)動(dong)車(che)(che)(che)(che),四輪老人(ren)電(dian)(dian)(dian)動(dong)代步車(che)(che)(che)(che)這些比較遠續程的(de)就目(mu)(mu)前(qian)情況(kuang)還(huan)是比較適合“鉛酸電(dian)(dian)(dian)池(chi)(chi)”。總之(zhi)鉛酸電(dian)(dian)(dian)池(chi)(chi)和鋰電(dian)(dian)(dian)池(chi)(chi)哪個好,不能(neng)單(dan)(dan)純的(de)以(yi)電(dian)(dian)(dian)池(chi)(chi)的(de)質量(liang)好壞(huai)而(er)論,二者各(ge)具優劣(lie),適應于不同的(de)需(xu)求(qiu)人(ren)群,消費者應根據自(zi)己需(xu)求(qiu)選擇。
鉛酸蓄電池和鋰(li)電池的充電器(qi)通用嗎(ma)?
不能通用。首先鋰電池與鉛酸電池的電壓等級是不匹配的,而且而鋰電池種類多樣、電池性能及電池保護板參數也各不相同、其對應的充電器也不同,因此鋰電池并不像鉛酸電池一樣,有通用型的電池充電器,更加不能和鉛酸蓄電池共通使用了。建議大家為了保護鋰電池,還需使用專用充電器。【查看更多>>】
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