鋰電池電動車優點和缺點有哪些?
鋰電池電動車優點:
鋰電池壽命(ming)長重量輕(qing)體積小(xiao)
鋰(li)(li)電(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)動(dong)(dong)車(che)目(mu)前(qian)(qian)品牌多(duo)樣化,捷(jie)安(an)特,凱騎,捷(jie)奧比,途爾鋰(li)(li)電(dian)(dian)(dian)車(che)等...鋰(li)(li)電(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)動(dong)(dong)自(zi)行車(che)的動(dong)(dong)力性(xing)能(neng)和鉛酸(suan)電(dian)(dian)(dian)池(chi)(chi)(chi)(簡易款電(dian)(dian)(dian)動(dong)(dong)自(zi)行車(che))差不多(duo),充電(dian)(dian)(dian)6~8小時(shi),根(gen)據電(dian)(dian)(dian)池(chi)(chi)(chi)容量(liang)不同可跑30~45公里(li),重量(liang)只(zhi)有鉛酸(suan)電(dian)(dian)(dian)池(chi)(chi)(chi)的1/5左右,鋰(li)(li)電(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)動(dong)(dong)自(zi)行車(che)最(zui)大優點是(shi)壽命長。說鋰(li)(li)電(dian)(dian)(dian)池(chi)(chi)(chi)價(jia)格貴的只(zhi)是(shi)看到表面,其實仔細算算費(fei)用和鉛酸(suan)蓄(xu)電(dian)(dian)(dian)池(chi)(chi)(chi)是(shi)差不多(duo)的,目(mu)前(qian)(qian)一(yi)般(ban)鋰(li)(li)電(dian)(dian)(dian)池(chi)(chi)(chi)質(zhi)保2年(nian),鉛酸(suan)蓄(xu)電(dian)(dian)(dian)池(chi)(chi)(chi)質(zhi)保1年(nian)。
鋰電(dian)池具有免激活特(te)性
在使用(yong)鋰(li)電池(chi)中(zhong)應注意的是(shi),電池(chi)放(fang)置一段時間(jian)后則進(jin)入(ru)休眠狀態,此(ci)時容(rong)量低于正(zheng)常(chang)值,使用(yong)時間(jian)亦隨之縮短(duan)。但鋰(li)電池(chi)很(hen)容(rong)易激(ji)(ji)活,只(zhi)要(yao)經過(guo)(guo)3―5次正(zheng)常(chang)的充(chong)放(fang)電循環就可(ke)激(ji)(ji)活電池(chi),恢(hui)復正(zheng)常(chang)容(rong)量。由于鋰(li)電池(chi)本身的特性,決定(ding)了它幾乎沒有記憶效應 。因(yin)此(ci)用(yong)戶新鋰(li)電池(chi)在激(ji)(ji)活過(guo)(guo)程中(zhong),是(shi)不需要(yao)特別的方(fang)法和(he)設備的。
鋰電池(chi)帶記憶效(xiao)應
消費者在給鉛酸(suan)蓄電(dian)(dian)池(chi)(chi)(chi)(chi)、鎳電(dian)(dian)池(chi)(chi)(chi)(chi)充(chong)電(dian)(dian)時,一直(zhi)都擔心電(dian)(dian)池(chi)(chi)(chi)(chi)發生記憶(yi)效(xiao)應(ying),等用了鋰(li)電(dian)(dian)池(chi)(chi)(chi)(chi),大(da)家都可以松下(xia)(xia)一口氣,鋰(li)電(dian)(dian)池(chi)(chi)(chi)(chi)不(bu)帶(dai)記憶(yi)效(xiao)應(ying)。要是還有消費者不(bu)知道(dao)如何(he)給鋰(li)電(dian)(dian)池(chi)(chi)(chi)(chi)充(chong)電(dian)(dian),那不(bu)妨看看下(xia)(xia)面的(de)內容。
鋰電池電動車(che)的(de)缺(que)點(dian):
鋰電池電動車價格過(guo)高皆因鋰電池
目前鋰(li)電(dian)(dian)池電(dian)(dian)動(dong)(dong)自行車(che)的(de)價(jia)格(ge)普遍比(bi)鉛酸(suan)電(dian)(dian)池電(dian)(dian)動(dong)(dong)車(che)高出幾(ji)百元到一千元,因此在市(shi)面上很難得到消費(fei)者顧客的(de)認可。鋰(li)電(dian)(dian)池輕巧、環保,廢棄后不會(hui)產生環境污染,一旦應(ying)用技術(shu)成(cheng)熟,市(shi)場銷量加大(da),鋰(li)電(dian)(dian)池電(dian)(dian)動(dong)(dong)自行車(che)的(de)價(jia)格(ge)才會(hui)有所降下來。
鋰(li)電池充電時間過長適得其反
鋰電池或充電器在電池充滿后都會自動停充,并不存在鎳電池充電器所謂的(de)(de)持續(xu)10幾小(xiao)時(shi)的(de)(de)“涓流”充(chong)(chong)電(dian)。也就(jiu)是說,如(ru)果(guo)你(ni)的(de)(de)鋰電(dian)池在充(chong)(chong)滿后,放在充(chong)(chong)電(dian)器上(shang)也是白充(chong)(chong)。而(er)我們(men)誰都(dou)無法保證電(dian)池的(de)(de)充(chong)(chong)放電(dian)保護(hu)電(dian)路的(de)(de)特性(xing)永(yong)不變化(hua)和質量(liang)的(de)(de)萬無一(yi)失,所以(yi)你(ni)的(de)(de)電(dian)池將長期(qi)處在危險的(de)(de)邊緣徘徊。這(zhe)也是我們(men)反對長充(chong)(chong)電(dian)的(de)(de)另(ling)一(yi)個理由。
此(ci)外(wai)在某(mou)些電(dian)動(dong)車上,充(chong)電(dian)超過一定的(de)時間(jian)后,如(ru)果不去取下充(chong)電(dian)器,這(zhe)時系統不僅(jin)不停止充(chong)電(dian),還將(jiang)開始放(fang)電(dian)-充(chong)電(dian)循環。也許這(zhe)種做法(fa)的(de)廠(chang)商(shang)(shang)自有其(qi)目的(de),但(dan)顯然對(dui)電(dian)池(chi)的(de)壽(shou)命而言是不利的(de)。所以在購買(mai)鋰(li)(li)電(dian)池(chi)電(dian)動(dong)車后,要咨詢企業或者經銷商(shang)(shang),做好鋰(li)(li)電(dian)池(chi)維護工作。
鋰電池動力性(xing)有待提高
鋰電池比起鉛酸蓄電池在(zai)充放電方面耐波動(dong)的能力差(cha)得多,對于目前(qian)大功率車來說(shuo)不(bu)能有效采用鋰電的一(yi)大癥狀也就(jiu)在(zai)此,導(dao)致(zhi)耐用性下降。
鋰離子電池安全性問題突出
鋰電(dian)池的安全性仍有待提高(gao)。鋰電(dian)池起火(huo)、燃(ran)燒(shao)甚至爆炸的隱患(huan)目前仍無法完(wan)全消除。車輛發生碰撞(zhuang)可能(neng)導致電(dian)池正負(fu)極材(cai)料(liao)沖破隔膜(mo),剎車時能(neng)量快速回(hui)充至電(dian)池時瞬間的超(chao)高(gao)電(dian)流等原因都會導致電(dian)池發生短(duan)(duan)路、溫(wen)度升高(gao),引(yin)起燃(ran)燒(shao)甚至爆炸。起火(huo)的原因是碰撞(zhuang)、短(duan)(duan)路導致鋰離子(zi)析出,與空(kong)(kong)氣接觸(chu)會發生起火(huo)、燃(ran)燒(shao)。另外,鋰離子(zi)電(dian)池的電(dian)解(jie)液是有機電(dian)解(jie)液,這些(xie)物(wu)質與空(kong)(kong)氣接觸(chu)后更容易(yi)起火(huo)燃(ran)燒(shao)。