鋰(li)電池電動車怎(zen)么樣
鋰電池電動車(che)華麗(li)簡練的外形,越來越多的被(bei)消費(fei)者接受,那(nei)鋰電池電動車(che)到底有(you)多好?它真(zhen)的有(you)大(da)家說的那(nei)么好嗎(ma)?
現在市面上,賣(mai)的*多的還是(shi)鉛(qian)(qian)酸電(dian)(dian)池(chi)電(dian)(dian)動(dong)(dong)(dong)車(che),但有(you)不(bu)少地區開(kai)(kai)始引進鋰(li)(li)(li)電(dian)(dian)池(chi)電(dian)(dian)動(dong)(dong)(dong)車(che)了(le)。鋰(li)(li)(li)電(dian)(dian)池(chi)電(dian)(dian)動(dong)(dong)(dong)車(che)顧名思義,簡單來說就是(shi)把鉛(qian)(qian)酸換成了(le)鋰(li)(li)(li)電(dian)(dian)池(chi)而已。那(nei)和(he)鉛(qian)(qian)酸電(dian)(dian)池(chi)相比,電(dian)(dian)動(dong)(dong)(dong)車(che)鋰(li)(li)(li)電(dian)(dian)池(chi)好(hao)不(bu)好(hao)?它真(zhen)的有(you)企業,經(jing)銷商(shang)說的那(nei)么傳神么?如(ru)今國家大(da)力提倡節能(neng)、綠色、環保,真(zhen)的能(neng)普及(ji)開(kai)(kai)來,等(deng)等(deng)問題一直都未(wei)有(you)人回答。
一說(shuo)到電(dian)動車鋰電(dian)池好不好?大(da)家(jia)(jia)觀點都(dou)非常一致,“鋰電(dian)池比鉛酸電(dian)池要輕,壽(shou)命也(ye)長,但是價格非常貴”,小編每當再(zai)問(wen)細點,到底好在哪(na)時?大(da)家(jia)(jia)又顯得都(dou)回答不上話(hua)來(lai)。
鋰電池電動車有(you)哪些優(you)缺點
鋰電(dian)池電(dian)動車優點
1、鋰電池壽(shou)命長重量輕體(ti)積小
鋰電(dian)池(chi)電(dian)動(dong)自行車(che)的動(dong)力性能和鉛酸電(dian)池(chi)(簡(jian)易款電(dian)動(dong)自行車(che))差(cha)不多,充電(dian)6~8小時(shi),根(gen)據電池容(rong)量不同可跑(pao)30~45公里,重量只(zhi)有(you)鉛酸電(dian)池(chi)的1/5左右,鋰電池電動自行車*大優點是壽命長。
聲(sheng)明:說鋰電(dian)(dian)池(chi)價格貴的只是(shi)(shi)看到(dao)表(biao)面,其實仔細(xi)算(suan)算(suan)費用和鉛酸蓄(xu)電(dian)(dian)池(chi)是(shi)(shi)差不(bu)多的,目前一般鋰電(dian)(dian)池(chi)保2年,鉛酸蓄電池(chi)保1年(nian)。
2、鋰電(dian)池具有免激活特性
在使(shi)用鋰電(dian)池中應注意的是,電(dian)池放置一段時(shi)間后(hou)則進入休眠狀態,此時(shi)容量低(di)于正常值(zhi),使(shi)用時(shi)間亦隨之縮短。但鋰電(dian)池很容易激活,只要經過(guo)3—5次正(zheng)(zheng)常(chang)的充(chong)放電循環就可激活(huo)電池(chi),恢(hui)復正(zheng)(zheng)常(chang)容量。由于鋰電池(chi)本身的特性,決定了它(ta)幾乎沒(mei)有(you)記憶效應 。因此用戶新鋰電池在激活過程(cheng)中,是不需要(yao)特(te)別的方(fang)法和設備的。
3、無記憶(yi)效(xiao)應
消費者(zhe)在給(gei)鉛(qian)酸(suan)蓄電(dian)(dian)(dian)(dian)池,鎳電(dian)(dian)(dian)(dian)池充電(dian)(dian)(dian)(dian)時(shi),一直(zhi)都擔心(xin)電(dian)(dian)(dian)(dian)池發生記憶效應(ying)(ying),等用了鋰(li)電(dian)(dian)(dian)(dian)池,大家都可以(yi)松下(xia)一口氣,鋰(li)電(dian)(dian)(dian)(dian)池不帶記憶效應(ying)(ying)。要是(shi)還有消費者(zhe)不知道如何給(gei)鋰(li)電(dian)(dian)(dian)(dian)池充電(dian)(dian)(dian)(dian),那不妨看(kan)看(kan)下(xia)面(mian)的(de)內容。
鋰電池電動車(che)的缺點
1、鋰(li)電池電動車價格(ge)過高皆因鋰(li)電池
目前鋰(li)電(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)動(dong)自行(xing)車(che)(che)的價(jia)格普遍(bian)比鉛酸電(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)動(dong)車(che)(che)高(gao)出幾百(bai)元到一千元,因此在市(shi)面(mian)上很(hen)難(nan)得到消(xiao)費者顧(gu)客(ke)的認可。鋰(li)電(dian)(dian)(dian)池(chi)(chi)(chi)輕巧(qiao)、環(huan)保,廢棄后不會(hui)(hui)產(chan)生環(huan)境污染,一旦應用(yong)技(ji)術成熟,市(shi)場銷量(liang)加大(da),鋰(li)電(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)動(dong)自行(xing)車(che)(che)的價(jia)格才會(hui)(hui)有所降下來(lai)。
2、鋰電池充電時(shi)間過長適(shi)得其反
鋰電(dian)(dian)池或充(chong)(chong)電(dian)(dian)器在電(dian)(dian)池充(chong)(chong)滿后(hou)都會自動停充(chong)(chong),并不存(cun)在鎳(nie)電(dian)(dian)充(chong)(chong)電(dian)(dian)器所謂的持續10幾(ji)小時(shi)的“涓流(liu)”充電(dian)。也(ye)就(jiu)是(shi)說,如果你的鋰(li)電(dian)池(chi)在(zai)(zai)充滿后,放在(zai)(zai)充電(dian)器上也(ye)是(shi)白(bai)充。而我們誰都無法保證電(dian)池(chi)的充放電(dian)保護電(dian)路的特性**變化和(he)質量的萬無一(yi)(yi)失,所以你的電(dian)池(chi)將長(chang)期處在(zai)(zai)危險的邊緣徘徊。這也(ye)是(shi)我們反對(dui)長(chang)充電(dian)的另一(yi)(yi)個理由(you)。
此外(wai)在(zai)某些電(dian)(dian)(dian)動車(che)上,充(chong)電(dian)(dian)(dian)超過一定的時(shi)間后(hou),如果不(bu)去取下充(chong)電(dian)(dian)(dian)器,這(zhe)時(shi)系統不(bu)僅(jin)不(bu)停止充(chong)電(dian)(dian)(dian),還將(jiang)開(kai)始放電(dian)(dian)(dian)-充(chong)電(dian)(dian)循(xun)環。也許這種做法的(de)廠商自有其目的(de),但顯然對電(dian)(dian)池(chi)的(de)壽命而言(yan)是(shi)不利的(de)。所以在購買(mai)鋰(li)電(dian)(dian)池(chi)電(dian)(dian)動(dong)車后,要咨詢企業或者(zhe)經銷商,做好鋰(li)電(dian)(dian)池(chi)維護工作。
3、鋰(li)電池動(dong)力(li)性有(you)待(dai)提高
鋰電(dian)池比起鉛(qian)酸蓄電(dian)池在充放(fang)電(dian)方面(mian)耐(nai)波動的能力差得多,對于目前大功率(lv)車來說不能有效采用鋰電(dian)的一大癥狀也就在此,導(dao)致耐(nai)用性下降(jiang)。
4、鋰離子(zi)電池安全性問(wen)題突(tu)出
鋰(li)電池(chi)的(de)(de)安全性仍有待提高。鋰(li)電池(chi)起火(huo)(huo)、燃(ran)(ran)燒甚至(zhi)爆炸的(de)(de)隱(yin)患目前(qian)仍無法完全消除。車輛(liang)發生碰撞(zhuang)(zhuang)可能導致電池(chi)正負極材料沖破(po)隔膜,剎(cha)車時能量快(kuai)速回充至(zhi)電池(chi)時瞬間的(de)(de)超高電流等原因(yin)都會導致電池(chi)發生短(duan)路、溫度升高,引(yin)起燃(ran)(ran)燒甚至(zhi)爆炸。起火(huo)(huo)的(de)(de)原因(yin)是(shi)碰撞(zhuang)(zhuang)、短(duan)路導致鋰(li)離子析出,與(yu)空(kong)氣(qi)接(jie)觸會發生起火(huo)(huo)、燃(ran)(ran)燒。另外,鋰(li)離子電池(chi)的(de)(de)電解液(ye)(ye)是(shi)有機電解液(ye)(ye),這些(xie)物質(zhi)與(yu)空(kong)氣(qi)接(jie)觸后更容易起火(huo)(huo)燃(ran)(ran)燒。