鋰離子電池與鋰離子充電器充電對電動車的兩大優缺點
電動華麗簡練的外形,越來越多的被消費者接受,鋰電池充電(dian)(dian)時間(jian)方法(fa)問題已經講(jiang)過了,那鋰電(dian)(dian)池與(yu)鉛酸(suan)蓄電(dian)(dian)池的優缺點(dian)又有誰真的去了解(jie)過呢(ni)?鋰電(dian)(dian)池電(dian)(dian)動(dong)車好(hao)嗎?鋰電(dian)(dian)池電(dian)(dian)動(dong)車你知道多少(shao)!那鋰電(dian)(dian)池電(dian)(dian)動(dong)車到底有多好(hao)?它真的有大家說的那么(me)好(hao)嗎?
現(xian)在市面上(shang),賣的(de)(de)(de)最(zui)多的(de)(de)(de)還(huan)是(shi)(shi)鉛酸電(dian)(dian)池(chi)電(dian)(dian)動車(che),但有(you)不少地(di)區開始(shi)引進鋰電(dian)(dian)池(chi)電(dian)(dian)動車(che)了(le)。鋰電(dian)(dian)池(chi)電(dian)(dian)動車(che)顧名思(si)義,簡(jian)單(dan)來說就是(shi)(shi)把鉛酸換成(cheng)了(le)鋰電(dian)(dian)池(chi)而已。那和鉛酸電(dian)(dian)池(chi)相比,電(dian)(dian)動車(che)鋰電(dian)(dian)池(chi)好不好?它真的(de)(de)(de)有(you)企業,經(jing)銷商說的(de)(de)(de)那么傳神么?如今(jin)國家大力(li)提倡節能(neng)、綠色(se)、環保,真的(de)(de)(de)能(neng)普及開來,等(deng)(deng)等(deng)(deng)問題一直(zhi)都未有(you)人回答。
一(yi)說到電(dian)動車鋰(li)(li)電(dian)池好不(bu)好?大(da)(da)家(jia)觀(guan)點都(dou)非常一(yi)致,“鋰(li)(li)電(dian)池比鉛(qian)酸電(dian)池要輕,壽命也長(chang),但是價格非常貴”,小編每當(dang)再問細點,到底好在哪時?大(da)(da)家(jia)又顯得都(dou)回答不(bu)上話來。
鋰電池電動車好嗎(ma)?
鋰電池電動車優點:
鋰電池壽命長重(zhong)量輕(qing)體積小
鋰(li)(li)(li)電(dian)池(chi)(chi)(chi)(chi)電(dian)動車目(mu)前品牌多樣化(hua),捷安特,凱騎,捷奧(ao)比,途爾鋰(li)(li)(li)電(dian)車等...鋰(li)(li)(li)電(dian)池(chi)(chi)(chi)(chi)電(dian)動自(zi)行車的(de)(de)動力性能和鉛酸(suan)電(dian)池(chi)(chi)(chi)(chi)(簡(jian)易款(kuan)電(dian)動自(zi)行車)差(cha)不(bu)多,充電(dian)6~8小(xiao)時,根據(ju)電(dian)池(chi)(chi)(chi)(chi)容量不(bu)同可跑30~45公里,重量只有鉛酸(suan)電(dian)池(chi)(chi)(chi)(chi)的(de)(de)1/5左右,鋰(li)(li)(li)電(dian)池(chi)(chi)(chi)(chi)電(dian)動自(zi)行車最大優點(dian)是壽命長(chang)。說鋰(li)(li)(li)電(dian)池(chi)(chi)(chi)(chi)價(jia)格(ge)貴的(de)(de)只是看到表(biao)面,其實仔細算算費用(yong)和鉛酸(suan)蓄電(dian)池(chi)(chi)(chi)(chi)是差(cha)不(bu)多的(de)(de),目(mu)前一(yi)般(ban)鋰(li)(li)(li)電(dian)池(chi)(chi)(chi)(chi)質(zhi)保(bao)2年,鉛酸(suan)蓄電(dian)池(chi)(chi)(chi)(chi)質(zhi)保(bao)1年。
鋰(li)電池具有免激活(huo)特性
在使用(yong)鋰電(dian)池(chi)中應(ying)注意(yi)的是,電(dian)池(chi)放置一(yi)段時間后(hou)則進入(ru)休眠狀(zhuang)態,此(ci)時容(rong)量(liang)低于正(zheng)常(chang)值,使用(yong)時間亦(yi)隨(sui)之(zhi)縮短。但鋰電(dian)池(chi)很(hen)容(rong)易激(ji)活,只要經(jing)過3―5次正(zheng)常(chang)的充(chong)放電(dian)循環就可(ke)激(ji)活電(dian)池(chi),恢(hui)復(fu)正(zheng)常(chang)容(rong)量(liang)。由于鋰電(dian)池(chi)本身的特性,決定了它(ta)幾乎沒(mei)有(you)記憶(yi)效(xiao)應(ying) 。因(yin)此(ci)用(yong)戶新鋰電(dian)池(chi)在激(ji)活過程中,是不(bu)需要特別的方法和設備的。
鋰電(dian)池帶(dai)記憶(yi)效(xiao)應
消(xiao)費者(zhe)在(zai)給鉛酸蓄電(dian)池、鎳(nie)電(dian)池充電(dian)時,一直都擔心電(dian)池發生記(ji)憶效應,等用了鋰電(dian)池,大家都可(ke)以松下(xia)一口氣,鋰電(dian)池不(bu)(bu)帶(dai)記(ji)憶效應。要是(shi)還有(you)消(xiao)費者(zhe)不(bu)(bu)知(zhi)道如何給鋰電(dian)池充電(dian),那不(bu)(bu)妨看(kan)看(kan)下(xia)面的(de)內容。
鋰電池電動車的缺點(dian):
鋰電池電動車(che)價格過高皆因鋰電池
目前(qian)鋰(li)電(dian)池電(dian)動(dong)(dong)自(zi)(zi)行(xing)(xing)車的價格普遍比鉛(qian)酸電(dian)池電(dian)動(dong)(dong)車高出(chu)幾(ji)百(bai)元到一(yi)(yi)千元,因此在市面上很(hen)難得到消費(fei)者顧客(ke)的認可。鋰(li)電(dian)池輕巧、環保,廢(fei)棄后不會產生環境污染,一(yi)(yi)旦(dan)應用技(ji)術成熟,市場銷量加大,鋰(li)電(dian)池電(dian)動(dong)(dong)自(zi)(zi)行(xing)(xing)車的價格才會有所降下(xia)來。
鋰電池充(chong)電時間過長適(shi)得(de)其反
鋰電池或充電器在電池充滿后都會自動停充,并不存在鎳電充電器所謂的持續10幾小時的“涓流”充(chong)(chong)(chong)電。也就(jiu)是說,如果你的(de)(de)(de)鋰(li)電池在(zai)充(chong)(chong)(chong)滿后,放在(zai)充(chong)(chong)(chong)電器上也是白充(chong)(chong)(chong)。而(er)我們誰都無法保(bao)證(zheng)電池的(de)(de)(de)充(chong)(chong)(chong)放電保(bao)護(hu)電路的(de)(de)(de)特性永(yong)不變化和質量(liang)的(de)(de)(de)萬無一(yi)失,所以你的(de)(de)(de)電池將長(chang)期處(chu)在(zai)危險(xian)的(de)(de)(de)邊緣徘徊。這也是我們反對長(chang)充(chong)(chong)(chong)電的(de)(de)(de)另(ling)一(yi)個理由。
此外在某些電動車上,充電超過一定的時間后,如果不去取下充電器,這時系統不(bu)僅不(bu)停(ting)止(zhi)充(chong)電(dian)(dian),還將開始放電(dian)(dian)-充(chong)電(dian)(dian)循環(huan)。也許這種(zhong)做(zuo)法的(de)(de)廠商自(zi)有其目(mu)的(de)(de),但顯然對電(dian)(dian)池(chi)的(de)(de)壽(shou)命(ming)而言是不(bu)利(li)的(de)(de)。所以在購買鋰電(dian)(dian)池(chi)電(dian)(dian)動(dong)車(che)后,要咨詢企業或者經銷商,做(zuo)好(hao)鋰電(dian)(dian)池(chi)維(wei)護工(gong)作。
鋰電(dian)池動(dong)力性有待提高
鋰電池比起鉛酸蓄電池在充放(fang)電方面耐波動的能力差得(de)多(duo),對于(yu)目前大(da)功率車(che)來說不能有(you)效(xiao)采(cai)用鋰電的一大(da)癥狀也就在此,導致耐用性(xing)下降。
鋰離子電(dian)池安全(quan)性問題突出
鋰電(dian)(dian)池(chi)的(de)(de)安(an)全(quan)(quan)性仍有待提高。鋰電(dian)(dian)池(chi)起(qi)火、燃(ran)燒(shao)(shao)甚至爆炸的(de)(de)隱患目(mu)前仍無法完(wan)全(quan)(quan)消除(chu)。車輛發(fa)生碰撞可能(neng)(neng)導(dao)致電(dian)(dian)池(chi)正負極材料沖破(po)隔膜,剎車時能(neng)(neng)量(liang)快速回充至電(dian)(dian)池(chi)時瞬間(jian)的(de)(de)超高電(dian)(dian)流等原(yuan)因(yin)都會導(dao)致電(dian)(dian)池(chi)發(fa)生短(duan)路、溫度(du)升高,引起(qi)燃(ran)燒(shao)(shao)甚至爆炸。起(qi)火的(de)(de)原(yuan)因(yin)是碰撞、短(duan)路導(dao)致鋰離子析出,與空(kong)氣接觸(chu)會發(fa)生起(qi)火、燃(ran)燒(shao)(shao)。另外,鋰離子電(dian)(dian)池(chi)的(de)(de)電(dian)(dian)解液是有機電(dian)(dian)解液,這些物質與空(kong)氣接觸(chu)后更容易起(qi)火燃(ran)燒(shao)(shao)。
鋰電(dian)池電(dian)動車配(pei)套問題
據全球(qiu)電(dian)(dian)動車網小編調查反饋得到,目前鋰(li)電(dian)(dian)池電(dian)(dian)動車相關配套(tao)的電(dian)(dian)機等外部設(she)備還不夠成熟。
