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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(chi)壽命長重量(liang)輕體積小

  鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)車目(mu)前品牌多(duo)樣化,捷安(an)特,凱騎,捷奧比,途爾鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)車等...鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)自(zi)行(xing)(xing)車的(de)(de)動(dong)(dong)力性能和鉛酸電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(簡易(yi)款電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)自(zi)行(xing)(xing)車)差不(bu)多(duo),充電(dian)(dian)(dian)(dian)(dian)6~8小時,根據電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)容量(liang)不(bu)同可跑(pao)30~45公(gong)里,重量(liang)只有(you)鉛酸電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)1/5左右,鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)電(dian)(dian)(dian)(dian)(dian)動(dong)(dong)自(zi)行(xing)(xing)車最大(da)優點是壽命(ming)長。說鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)價格貴的(de)(de)只是看(kan)到表面,其實仔細算算費用(yong)和鉛酸蓄電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)是差不(bu)多(duo)的(de)(de),目(mu)前一般鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)質(zhi)保2年,鉛酸蓄電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)質(zhi)保1年。

  鋰(li)電(dian)池(chi)具有免激(ji)活特(te)性

  在(zai)使用鋰電池(chi)(chi)中應注意的(de)(de)是,電池(chi)(chi)放(fang)(fang)置一段時間后(hou)則進入休眠狀態,此(ci)時容量低于正(zheng)常(chang)值(zhi),使用時間亦(yi)隨之縮短。但鋰電池(chi)(chi)很(hen)容易激活,只要經過3―5次正(zheng)常(chang)的(de)(de)充(chong)放(fang)(fang)電循環就可(ke)激活電池(chi)(chi),恢(hui)復(fu)正(zheng)常(chang)容量。由于鋰電池(chi)(chi)本身的(de)(de)特(te)(te)性,決(jue)定了它幾乎沒有記憶效應 。因此(ci)用戶新鋰電池(chi)(chi)在(zai)激活過程中,是不(bu)需要特(te)(te)別的(de)(de)方法和(he)設備的(de)(de)。

  鋰電池帶(dai)記憶效應

  消(xiao)(xiao)費者在(zai)給鉛酸蓄電(dian)池(chi)(chi)(chi)、鎳電(dian)池(chi)(chi)(chi)充(chong)電(dian)時(shi),一直都(dou)擔心(xin)電(dian)池(chi)(chi)(chi)發生(sheng)記憶(yi)效應(ying),等用了(le)鋰電(dian)池(chi)(chi)(chi),大家都(dou)可以(yi)松下一口(kou)氣,鋰電(dian)池(chi)(chi)(chi)不帶記憶(yi)效應(ying)。要是還有消(xiao)(xiao)費者不知道如何給鋰電(dian)池(chi)(chi)(chi)充(chong)電(dian),那(nei)不妨看看下面的內容。

鋰電池電動車的缺(que)點(dian):

   鋰電(dian)池(chi)電(dian)動(dong)車價格過高皆(jie)因鋰電(dian)池(chi)

  目(mu)前鋰電(dian)池電(dian)動(dong)自行(xing)車的(de)價(jia)格普遍比鉛酸電(dian)池電(dian)動(dong)車高出幾百元到一(yi)千(qian)元,因此在市(shi)(shi)面上很難得到消費者顧(gu)客的(de)認可。鋰電(dian)池輕巧、環保,廢棄后不會產生環境污染,一(yi)旦應用技術成熟,市(shi)(shi)場銷量加大,鋰電(dian)池電(dian)動(dong)自行(xing)車的(de)價(jia)格才會有所降(jiang)下(xia)來。

  鋰電(dian)池充(chong)電(dian)時間(jian)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持續10幾小時的“涓流(liu)”充(chong)(chong)電(dian)(dian)。也(ye)(ye)就是說,如果你的鋰(li)電(dian)(dian)池在充(chong)(chong)滿后(hou),放在充(chong)(chong)電(dian)(dian)器上也(ye)(ye)是白(bai)充(chong)(chong)。而我們誰都無法保(bao)證電(dian)(dian)池的充(chong)(chong)放電(dian)(dian)保(bao)護(hu)電(dian)(dian)路的特性永不變(bian)化和(he)質量的萬(wan)無一失,所以你的電(dian)(dian)池將長期處在危(wei)險(xian)的邊緣徘徊。這也(ye)(ye)是我們反(fan)對長充(chong)(chong)電(dian)(dian)的另一個理由。

  此外(wai)在某些電動車(che)上(shang),充電超(chao)過一定的(de)(de)時間后(hou)(hou),如果不(bu)去取(qu)下充電器,這時系統(tong)不(bu)僅不(bu)停止充電,還將開始放電-充電循環(huan)。也許這種做(zuo)法的(de)(de)廠商自有(you)其目的(de)(de),但顯然對電池(chi)的(de)(de)壽命而言是不(bu)利的(de)(de)。所以在購(gou)買鋰電池(chi)電動車(che)后(hou)(hou),要咨詢企業或者經銷商,做(zuo)好鋰電池(chi)維護工作。

  鋰電池(chi)動力性(xing)有待(dai)提高(gao)

  鋰(li)電池(chi)(chi)比起鉛酸蓄電池(chi)(chi)在充(chong)放(fang)電方面耐(nai)波動的(de)能(neng)力(li)差得多(duo),對(dui)于目前大功率車來(lai)說不能(neng)有效采(cai)用鋰(li)電的(de)一(yi)大癥狀也就(jiu)在此,導致耐(nai)用性下降。

  鋰離子電(dian)池安(an)全性問題突出

  鋰(li)電(dian)(dian)(dian)(dian)(dian)池(chi)的(de)安全性仍(reng)有待提高。鋰(li)電(dian)(dian)(dian)(dian)(dian)池(chi)起火(huo)、燃(ran)(ran)燒(shao)甚至(zhi)爆(bao)炸(zha)的(de)隱(yin)患目前仍(reng)無(wu)法完全消除。車輛發生碰撞可能導致電(dian)(dian)(dian)(dian)(dian)池(chi)正負(fu)極材料沖破(po)隔膜,剎車時能量快速回(hui)充至(zhi)電(dian)(dian)(dian)(dian)(dian)池(chi)時瞬(shun)間(jian)的(de)超高電(dian)(dian)(dian)(dian)(dian)流等原(yuan)因都會導致電(dian)(dian)(dian)(dian)(dian)池(chi)發生短路、溫度升高,引起燃(ran)(ran)燒(shao)甚至(zhi)爆(bao)炸(zha)。起火(huo)的(de)原(yuan)因是(shi)碰撞、短路導致鋰(li)離(li)子析出,與空氣接觸(chu)會發生起火(huo)、燃(ran)(ran)燒(shao)。另外,鋰(li)離(li)子電(dian)(dian)(dian)(dian)(dian)池(chi)的(de)電(dian)(dian)(dian)(dian)(dian)解液是(shi)有機電(dian)(dian)(dian)(dian)(dian)解液,這些物質與空氣接觸(chu)后更(geng)容易起火(huo)燃(ran)(ran)燒(shao)。


 

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