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電動車鋰電池和鉛酸蓄電池哪種好 鋰電池和鉛酸蓄電池的區別

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電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)車(che)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)是電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)車(che)上的(de)(de)(de)動(dong)力(li)來(lai)源,能(neng)(neng)夠(gou)被(bei)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)自行車(che)使用的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)有閥控(kong)鉛(qian)酸(suan)免維(wei)護蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)、膠體(ti)鉛(qian)酸(suan)蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)、鎳氫(qing)蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)和(he)鋰(li)(li)(li)離子電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)。鋰(li)(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)和(he)鉛(qian)酸(suan)蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)是最常用的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)車(che)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi),那么(me),鋰(li)(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)和(he)鉛(qian)酸(suan)蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)(de)區別(bie)是什么(me)?鋰(li)(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)(de)質量(liang)比(bi)、體(ti)積(ji)比(bi)、能(neng)(neng)量(liang)比(bi)都高于(yu)鉛(qian)酸(suan)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)大概約40%。接下(xia)來(lai)就一起來(lai)了解一下(xia)電(dian)(dian)(dian)(dian)(dian)(dian)動(dong)車(che)鋰(li)(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)和(he)鉛(qian)酸(suan)蓄電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)吧。

兩種電池成分介紹
  • 鋰電池

    一般采用含有鋰元素的材料作為電極的電池,現階段負極最多的都是采用石墨。其實鋰電池主要依靠鋰離子在正極和負極之間移動來工作。在充放電過程中,Li+在兩個電極之間往返嵌入和脫嵌:充電池時,Li+從正極脫嵌,經過電解質嵌入負極,負極處于富鋰狀態;放電時則相反。【查看更多>>

  • 鉛酸電池

    鉛酸(suan)(suan)電(dian)(dian)池的(de)電(dian)(dian)極(ji)主要由鉛及其氧化物制(zhi)成(cheng)(cheng),電(dian)(dian)解(jie)液是硫(liu)酸(suan)(suan)溶(rong)液。鉛酸(suan)(suan)電(dian)(dian)池荷電(dian)(dian)狀態下,正極(ji)主要成(cheng)(cheng)分(fen)(fen)為二氧化鉛,負極(ji)主要成(cheng)(cheng)分(fen)(fen)為鉛;放電(dian)(dian)狀態下,正負極(ji)的(de)主要成(cheng)(cheng)分(fen)(fen)均(jun)為硫(liu)酸(suan)(suan)鉛。

鋰電池和鉛酸蓄電池的區別

1、安全對(dui)比

動力型鋰(li)電(dian)池(chi)(錳酸(suan)鋰(li)、磷酸(suan)鐵鋰(li))材料不同安全性有所差別(bie),鉛(qian)酸(suan)電(dian)池(chi)技術已經相當成熟,安全性比鋰(li)電(dian)池(chi)高。

2、環(huan)保對比

鋰電池沒有(you)污(wu)染(ran),而鉛酸電池有(you)重金(jin)屬鉛的污(wu)染(ran)。所(suo)以使用(yong)鉛酸電池的電動汽車還是會污(wu)染(ran)環境。

3、價(jia)格(ge)對(dui)比

市(shi)場上(shang)相同(tong)容量的鋰電池價格(ge)是鉛酸電池的一倍多。這就是使用(yong)鋰電池的電動汽車價格(ge)比(bi)較貴的原(yuan)因。

4、能量(liang)對比

鋰電池的質量比(bi)(bi)、體積比(bi)(bi)、能量比(bi)(bi)都(dou)高于鉛(qian)酸電池大概約(yue)40%。

5、自放電率(lv)對(dui)比(bi)

鋰(li)電(dian)池(chi)(chi)月(yue)自放電(dian)小于3%,而鉛酸電(dian)池(chi)(chi)15~30%,差別較大(da)。

6、使(shi)用(yong)壽命對比

目前通用(yong)(yong)的(de)磷酸鐵鋰充電1500次(ci),沒有記憶效(xiao)應,充電1500次(ci)后(hou)約85%的(de)存(cun)儲(chu)能力(li),而鉛酸電池(chi)為500次(ci)左右,存(cun)儲(chu)能力(li)也會大(da)幅(fu)下降(jiang),而且(qie)記憶效(xiao)應很明(ming)顯。所以(yi)使用(yong)(yong)鋰電池(chi)的(de)電動汽車電池(chi)使用(yong)(yong)壽命會更長(chang)。

7、電壓平臺(tai)對(dui)比

鋰電(dian)(dian)池電(dian)(dian)壓(ya)平(ping)臺都大于3V,鉛酸電(dian)(dian)池是2V。

8、放電(dian)特性對比

簡單的(de)說(shuo)同樣容量的(de)電(dian)(dian)(dian)池(chi),大(da)電(dian)(dian)(dian)流放電(dian)(dian)(dian)的(de)情況下,鋰(li)電(dian)(dian)(dian)池(chi)要比鉛酸電(dian)(dian)(dian)池(chi)多放出來約(yue)30%的(de)電(dian)(dian)(dian)。

9、耐用性方面(mian)

鋰電(dian)(dian)池耐(nai)用性較強,耐(nai)震動性好(hao),完全充(chong)電(dian)(dian)狀(zhuang)態的(de)電(dian)(dian)池安全固(gu)定,消耗慢,充(chong)放(fang)超過(guo)500次(ci),并且(qie)無記憶,一(yi)般(ban)壽命在4—5年(nian)。鉛(qian)(qian)酸電(dian)(dian)池一(yi)般(ban)在深充(chong)深放(fang)電(dian)(dian)400次(ci)以內,有記憶,壽命在兩年(nian)左(zuo)右。如果使(shi)用的(de)是免維護鉛(qian)(qian)酸蓄電(dian)(dian)池,需要(yao)注意(yi)的(de)是其電(dian)(dian)池失水量(liang)少,使(shi)用中(zhong)一(yi)般(ban)不需添加蒸(zheng)餾水。

電動車鋰電池和鉛酸蓄電池哪種好

鉛酸電池優缺點

性價比高(gao)一般認為(wei)電動車用鉛酸(suan)電池比鋰電池要好,主要是因為(wei)鉛酸(suan)電池更(geng)安全,價格相對便宜,大眾更(geng)容易接受,最(zui)重要的(de)是鉛酸(suan)電池回收(shou)價格比鋰電池更(geng)高。

高倍率放電性能更好一(yi)(yi)般來(lai)說,一(yi)(yi)組(zu)鉛(qian)酸電(dian)(dian)池(chi)(chi)(chi)只要幾(ji)(ji)百塊,一(yi)(yi)組(zu)鋰電(dian)(dian)池(chi)(chi)(chi),隨(sui)隨(sui)便便的就要一(yi)(yi)千多近兩千塊。鉛(qian)酸電(dian)(dian)池(chi)(chi)(chi)過載能(neng)(neng)力(li)和抗沖擊能(neng)(neng)力(li)強,電(dian)(dian)動車行駛(shi)中的阻力(li),隨(sui)時(shi)變(bian)換,甚(shen)至突(tu)然被停(ting)止,這時(shi)電(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)流變(bian)化很大(da)的,在打火那幾(ji)(ji)秒鐘(zhong),電(dian)(dian)流達兩三百安培,鉛(qian)酸電(dian)(dian)池(chi)(chi)(chi)能(neng)(neng)安然無恙(yang),而鋰電(dian)(dian)池(chi)(chi)(chi)則(ze)是難(nan)望(wang)其項背。

鉛酸電(dian)池(chi)也(ye)有缺點比如重金屬容易造成(cheng)環境污染;與鋰(li)電(dian)(dian)池(chi)相比,鉛酸電(dian)(dian)池(chi)能量密(mi)度(du)更低;而且其使(shi)用壽命不及鋰(li)電(dian)(dian)池(chi)。

鋰電池優缺點

能效高鋰(li)(li)電池(chi)無論是體積(ji)比能量(liang),還是重量(liang)比能量(liang),鋰(li)(li)電池(chi)均(jun)比鉛(qian)酸(suan)蓄電池(chi)高(gao)出3倍以上。鋰(li)(li)電池(chi)體積(ji)更(geng)小、重量(liang)更(geng)輕、循(xun)環壽命長。

輕便環(huan)保鋰(li)電池(chi)相(xiang)對輕巧(qiao),攜(xie)帶方便,而(er)壽命相(xiang)對要長很多。此外,鋰(li)電池(chi)的(de)高(gao)低溫適(shi)應性更強,受(shou)溫度影響因素較小(xiao),且更加綠(lv)色環保。

鋰電池(chi)也有三(san)個缺點(dian)其(qi)安全(quan)穩(wen)定性相對而言比較差,要是操作(zuo)不當,很(hen)容易發生爆炸的(de)風險(xian)。另外(wai),鋰電池不能大電流放(fang)電且(qie)生產要求(qiu)條(tiao)件高,成本更高。

小結

以目前(qian)而言,鋰電(dian)(dian)(dian)車市場普及率低于(yu)鉛酸電(dian)(dian)(dian)池車,其主要的(de)(de)(de)因素是技術的(de)(de)(de)不(bu)完善,鋰電(dian)(dian)(dian)池成本仍相(xiang)對偏高。因此在(zai)現有(you)“鋰電(dian)(dian)(dian)車”產(chan)(chan)品設計(ji)中,多采用(yong)減少鋰電(dian)(dian)(dian)池的(de)(de)(de)容量配置(zhi),來(lai)相(xiang)應降低整(zheng)車實施成本,而這使得現有(you)“鋰電(dian)(dian)(dian)車”產(chan)(chan)品之車型過(guo)于(yu)單(dan)一化。比如,目前(qian)市面上鋰電(dian)(dian)(dian)產(chan)(chan)品多為(wei)“電(dian)(dian)(dian)單(dan)車”而且續程不(bu)是很(hen)遠(yuan)的(de)(de)(de)車型,但(dan)是像四(si)輪(lun)電(dian)(dian)(dian)動車,四(si)輪(lun)老人電(dian)(dian)(dian)動代步車這些比較(jiao)遠(yuan)續程的(de)(de)(de)就目前(qian)情況還是比較(jiao)適(shi)合“鉛酸電(dian)(dian)(dian)池”。總(zong)之鉛酸電(dian)(dian)(dian)池和鋰電(dian)(dian)(dian)池哪(na)個好,不(bu)能單(dan)純(chun)的(de)(de)(de)以電(dian)(dian)(dian)池的(de)(de)(de)質量好壞而論,二(er)者各具優劣,適(shi)應于(yu)不(bu)同的(de)(de)(de)需(xu)求人群(qun),消(xiao)費(fei)者應根據自己需(xu)求選(xuan)擇。

其他電動車電池常見問答

鉛酸蓄電池和鋰電池的充電器通(tong)用(yong)嗎?

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>>】

電動車蓄電池為什么(me)容易壞?

“過充”導致(zhi)蓄電池壞損:“過充(chong)”就是過量給(gei)電(dian)動代步車的(de)蓄電(dian)瓶充(chong)電(dian)而產(chan)生對蓄電(dian)瓶化(hua)學和(he)物理(li)性(xing)能的(de)破壞。

“虧(kui)電”導致(zhi)電瓶壞損(sun):“虧電(dian)(dian)”是電(dian)(dian)瓶(ping)電(dian)(dian)量(liang)不足、電(dian)(dian)壓偏低時強(qiang)行過量(liang)放(fang)電(dian)(dian)導致破壞蓄電(dian)(dian)瓶(ping)極板(ban)涂層(ceng)。

過載(zai)產生的大(da)電流放電使電瓶壞損:過載(zai)就(jiu)是電(dian)動(dong)車行駛(shi)中負載(zai)超重,如過量的載(zai)貨、載(zai)人等,還有路況不好使(shi)電(dian)動(dong)車頻繁的剎(cha)車和(he)啟動(dong),造成(cheng)大電(dian)流放(fang)電(dian),損(sun)傷(shang)電(dian)瓶。

極(ji)板(ban)硫化(hua)導(dao)致(zhi)電瓶(ping)壞損:大電流損傷電瓶極板是電動車電池容量減少癥結,就也是使用快充或者超大電流給電動車充電后會讓電動車極易產生樣板硫化、從而導致蓄電池容量變小,電瓶易壞。【查看更多>>】

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