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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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導語

電(dian)(dian)(dian)(dian)動車電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)是電(dian)(dian)(dian)(dian)動車上的動力來(lai)源,能(neng)夠(gou)被電(dian)(dian)(dian)(dian)動自行車使用的電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)有閥控鉛(qian)酸(suan)免(mian)維護蓄(xu)(xu)(xu)(xu)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)、膠體鉛(qian)酸(suan)蓄(xu)(xu)(xu)(xu)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)、鎳(nie)氫蓄(xu)(xu)(xu)(xu)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)和鋰(li)離子電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)。鋰(li)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)和鉛(qian)酸(suan)蓄(xu)(xu)(xu)(xu)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)是最常用的電(dian)(dian)(dian)(dian)動車電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi),那么(me),鋰(li)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)和鉛(qian)酸(suan)蓄(xu)(xu)(xu)(xu)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的區別是什么(me)?鋰(li)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)的質量比、體積比、能(neng)量比都高于(yu)鉛(qian)酸(suan)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)大概約40%。接下來(lai)就一(yi)起來(lai)了解(jie)一(yi)下電(dian)(dian)(dian)(dian)動車鋰(li)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(chi)和鉛(qian)酸(suan)蓄(xu)(xu)(xu)(xu)電(dian)(dian)(dian)(dian)池(chi)(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(qian)酸電池的電極主(zhu)(zhu)要由鉛(qian)及其氧(yang)化(hua)物(wu)制成(cheng),電解液是硫酸溶液。鉛(qian)酸電池荷電狀態下,正極主(zhu)(zhu)要成(cheng)分為(wei)二氧(yang)化(hua)鉛(qian),負極主(zhu)(zhu)要成(cheng)分為(wei)鉛(qian);放(fang)電狀態下,正負極的主(zhu)(zhu)要成(cheng)分均為(wei)硫酸鉛(qian)。

鋰電池和鉛酸蓄電池的區別

1、安全(quan)對比(bi)

動力(li)型鋰(li)電池(錳酸鋰(li)、磷(lin)酸鐵鋰(li))材料不同安全性有所差(cha)別(bie),鉛(qian)酸電池技術已經相當(dang)成熟,安全性比鋰(li)電池高。

2、環保對(dui)比

鋰電池(chi)沒有(you)污染,而鉛(qian)酸電池(chi)有(you)重金屬鉛(qian)的(de)污染。所以使用鉛(qian)酸電池(chi)的(de)電動汽車還是會污染環境。

3、價格對比

市場(chang)上相同容量的鋰(li)電(dian)(dian)池(chi)價(jia)格是鉛酸電(dian)(dian)池(chi)的一倍多。這就是使用(yong)鋰(li)電(dian)(dian)池(chi)的電(dian)(dian)動汽車價(jia)格比較貴(gui)的原(yuan)因。

4、能量(liang)對比

鋰電池(chi)的(de)質量比、體(ti)積比、能(neng)量比都高(gao)于鉛(qian)酸電池(chi)大概約40%。

5、自放電率對比

鋰電(dian)池月自放電(dian)小于3%,而鉛酸電(dian)池15~30%,差別較大。

6、使用壽(shou)命(ming)對(dui)比(bi)

目前通用的(de)(de)磷酸鐵鋰充電(dian)1500次,沒有(you)記憶效(xiao)應,充電(dian)1500次后約(yue)85%的(de)(de)存(cun)儲能力,而(er)鉛酸電(dian)池(chi)(chi)為500次左右(you),存(cun)儲能力也會大幅下降,而(er)且記憶效(xiao)應很明顯。所以使用鋰電(dian)池(chi)(chi)的(de)(de)電(dian)動(dong)汽車電(dian)池(chi)(chi)使用壽命會更長。

7、電壓平臺對比(bi)

鋰電(dian)池(chi)電(dian)壓平臺都大于3V,鉛酸電(dian)池(chi)是2V。

8、放電(dian)特性對比

簡單的說同(tong)樣容量的電(dian)池(chi)(chi),大電(dian)流放電(dian)的情況下,鋰(li)電(dian)池(chi)(chi)要比鉛酸電(dian)池(chi)(chi)多放出來約(yue)30%的電(dian)。

9、耐用性方面

鋰電(dian)(dian)(dian)池(chi)(chi)耐用(yong)性較強,耐震(zhen)動性好,完全充(chong)電(dian)(dian)(dian)狀態的電(dian)(dian)(dian)池(chi)(chi)安(an)全固定,消耗慢,充(chong)放超過500次(ci)(ci),并(bing)且無記憶,一般(ban)壽命(ming)(ming)在4—5年(nian)。鉛(qian)酸(suan)電(dian)(dian)(dian)池(chi)(chi)一般(ban)在深充(chong)深放電(dian)(dian)(dian)400次(ci)(ci)以(yi)內,有記憶,壽命(ming)(ming)在兩年(nian)左右。如果使用(yong)的是(shi)免維護鉛(qian)酸(suan)蓄電(dian)(dian)(dian)池(chi)(chi),需(xu)要注意的是(shi)其電(dian)(dian)(dian)池(chi)(chi)失水(shui)量少,使用(yong)中一般(ban)不需(xu)添(tian)加蒸餾水(shui)。

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(ban)認為電(dian)(dian)動車用鉛(qian)(qian)酸電(dian)(dian)池(chi)(chi)比鋰(li)電(dian)(dian)池(chi)(chi)要(yao)(yao)好,主要(yao)(yao)是因為鉛(qian)(qian)酸電(dian)(dian)池(chi)(chi)更(geng)(geng)(geng)安全,價格(ge)相對便(bian)宜(yi),大眾更(geng)(geng)(geng)容易(yi)接受,最重要(yao)(yao)的是鉛(qian)(qian)酸電(dian)(dian)池(chi)(chi)回收價格(ge)比鋰(li)電(dian)(dian)池(chi)(chi)更(geng)(geng)(geng)高。

高(gao)倍(bei)率放電性(xing)能更好(hao)一般來說,一組(zu)鉛(qian)酸電(dian)(dian)(dian)池只(zhi)要幾(ji)百(bai)(bai)塊,一組(zu)鋰電(dian)(dian)(dian)池,隨(sui)隨(sui)便便的(de)就要一千多(duo)近兩千塊。鉛(qian)酸電(dian)(dian)(dian)池過載能(neng)力和抗沖擊能(neng)力強,電(dian)(dian)(dian)動車(che)行駛中的(de)阻力,隨(sui)時變換,甚至突然被(bei)停止,這時電(dian)(dian)(dian)池電(dian)(dian)(dian)流變化很大的(de),在打火那(nei)幾(ji)秒鐘,電(dian)(dian)(dian)流達兩三百(bai)(bai)安培,鉛(qian)酸電(dian)(dian)(dian)池能(neng)安然無(wu)恙,而鋰電(dian)(dian)(dian)池則是難望(wang)其項背。

鉛酸電池也有(you)缺點比如重金屬容易造成環境(jing)污染;與(yu)鋰(li)電(dian)池相(xiang)比,鉛酸電(dian)池能量密度(du)更低;而且其使用(yong)壽命不(bu)及鋰(li)電(dian)池。

鋰電池優缺點

能效高鋰電池無論是(shi)(shi)體(ti)積(ji)比能量(liang),還是(shi)(shi)重量(liang)比能量(liang),鋰電池均比鉛(qian)酸蓄電池高出3倍以(yi)上(shang)。鋰電池體(ti)積(ji)更小、重量(liang)更輕、循環壽命長。

輕便(bian)環保鋰電池相對(dui)輕巧(qiao),攜帶方便,而壽命相對(dui)要長很多。此外,鋰電池的(de)高(gao)低(di)溫(wen)適(shi)應性更強,受溫(wen)度影響因素較小,且更加綠色環保。

鋰電(dian)池也(ye)有三個缺點其(qi)安全穩定性相對而言比(bi)較差,要是(shi)操作(zuo)不(bu)當,很容易發(fa)生爆炸的風險(xian)。另外,鋰電池(chi)不(bu)能大電流放電且生產要求條件高,成本更高。

小結

以目(mu)(mu)(mu)前而言,鋰(li)電(dian)(dian)(dian)(dian)車(che)(che)(che)市場普(pu)及(ji)率低(di)于(yu)鉛酸(suan)(suan)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)車(che)(che)(che),其主要(yao)的(de)(de)因素是(shi)(shi)技術的(de)(de)不(bu)完善,鋰(li)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)成(cheng)本仍相(xiang)對偏高。因此在現有(you)“鋰(li)電(dian)(dian)(dian)(dian)車(che)(che)(che)”產品(pin)(pin)設(she)計中(zhong),多(duo)采(cai)用(yong)減少鋰(li)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)容(rong)量(liang)配置,來(lai)相(xiang)應降低(di)整(zheng)車(che)(che)(che)實施成(cheng)本,而這使得現有(you)“鋰(li)電(dian)(dian)(dian)(dian)車(che)(che)(che)”產品(pin)(pin)之車(che)(che)(che)型過于(yu)單一化(hua)。比如(ru),目(mu)(mu)(mu)前市面上鋰(li)電(dian)(dian)(dian)(dian)產品(pin)(pin)多(duo)為“電(dian)(dian)(dian)(dian)單車(che)(che)(che)”而且續程(cheng)不(bu)是(shi)(shi)很遠(yuan)的(de)(de)車(che)(che)(che)型,但是(shi)(shi)像(xiang)四輪電(dian)(dian)(dian)(dian)動(dong)車(che)(che)(che),四輪老人(ren)電(dian)(dian)(dian)(dian)動(dong)代(dai)步車(che)(che)(che)這些(xie)比較遠(yuan)續程(cheng)的(de)(de)就目(mu)(mu)(mu)前情況還是(shi)(shi)比較適合(he)“鉛酸(suan)(suan)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)”。總之鉛酸(suan)(suan)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)和鋰(li)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)哪個好,不(bu)能單純的(de)(de)以電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)質量(liang)好壞而論,二者(zhe)各具優劣,適應于(yu)不(bu)同(tong)的(de)(de)需求人(ren)群,消費者(zhe)應根(gen)據自己需求選擇(ze)。

其他電動車電池常見問答

鉛酸蓄電(dian)池(chi)和鋰電(dian)池(chi)的充電(dian)器通用(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(chi)為什(shen)么容易壞?

“過(guo)充”導(dao)致蓄電池壞損:“過充(chong)(chong)”就(jiu)是過量給電動代(dai)步車的蓄電瓶(ping)充(chong)(chong)電而(er)產生對(dui)蓄電瓶(ping)化學和物理(li)性能的破(po)壞(huai)。

“虧電”導致電瓶壞損:“虧電(dian)(dian)(dian)”是電(dian)(dian)(dian)瓶電(dian)(dian)(dian)量不(bu)足、電(dian)(dian)(dian)壓偏低時(shi)強行過量放電(dian)(dian)(dian)導致破壞蓄電(dian)(dian)(dian)瓶極板涂層。

過載產(chan)生的大(da)電流放電使電瓶壞損:過(guo)載就是電動車(che)行駛(shi)中負載超重,如過(guo)量的(de)載貨、載人(ren)等,還有路況不好使(shi)電動車(che)頻(pin)繁的(de)剎車(che)和啟(qi)動,造成大電流放電,損傷電瓶。

極板硫化導致(zhi)電瓶壞損: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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