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(shi)間方法問題(ti)已經講(jiang)過(guo)了,那(nei)鋰(li)電(dian)(dian)池(chi)(chi)與鉛酸蓄(xu)電(dian)(dian)池(chi)(chi)的(de)(de)優缺點又有(you)誰真(zhen)的(de)(de)去了解過(guo)呢?鋰(li)電(dian)(dian)池(chi)(chi)電(dian)(dian)動(dong)車(che)好嗎(ma)?鋰(li)電(dian)(dian)池(chi)(chi)電(dian)(dian)動(dong)車(che)你知道(dao)多(duo)少!那(nei)鋰(li)電(dian)(dian)池(chi)(chi)電(dian)(dian)動(dong)車(che)到底(di)有(you)多(duo)好?它真(zhen)的(de)(de)有(you)大家說的(de)(de)那(nei)么好嗎(ma)?
現(xian)在市面(mian)上,賣的(de)最多的(de)還是鉛(qian)酸(suan)電(dian)(dian)池(chi)電(dian)(dian)動(dong)車(che),但有不少地區開(kai)始引進鋰(li)(li)電(dian)(dian)池(chi)電(dian)(dian)動(dong)車(che)了(le)。鋰(li)(li)電(dian)(dian)池(chi)電(dian)(dian)動(dong)車(che)顧名思義,簡單來(lai)說(shuo)就是把鉛(qian)酸(suan)換成了(le)鋰(li)(li)電(dian)(dian)池(chi)而已。那(nei)和鉛(qian)酸(suan)電(dian)(dian)池(chi)相比,電(dian)(dian)動(dong)車(che)鋰(li)(li)電(dian)(dian)池(chi)好不好?它(ta)真(zhen)的(de)有企(qi)業,經銷商說(shuo)的(de)那(nei)么傳神么?如今國(guo)家大力(li)提倡節能(neng)、綠色、環保,真(zhen)的(de)能(neng)普及(ji)開(kai)來(lai),等等問題一直都未(wei)有人回答。
一(yi)說到電(dian)動(dong)車鋰電(dian)池(chi)好(hao)不好(hao)?大(da)家觀點都非(fei)(fei)常一(yi)致(zhi),“鋰電(dian)池(chi)比鉛酸電(dian)池(chi)要輕,壽命(ming)也長,但是價格非(fei)(fei)常貴”,小編每當再問細點,到底好(hao)在(zai)哪時(shi)?大(da)家又顯得都回答(da)不上話來。
鋰電池電動車(che)好嗎?
鋰電池電動車優點:
鋰電池壽(shou)命長(chang)重量(liang)輕體積小
鋰(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)(dian)(dian)動(dong)車目(mu)(mu)前(qian)品牌多(duo)樣化(hua),捷安特,凱(kai)騎,捷奧比,途爾(er)鋰(li)電(dian)(dian)(dian)(dian)(dian)車等...鋰(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)(dian)(dian)動(dong)自行(xing)車的(de)動(dong)力性能和(he)(he)鉛酸(suan)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(簡易款電(dian)(dian)(dian)(dian)(dian)動(dong)自行(xing)車)差不多(duo),充(chong)電(dian)(dian)(dian)(dian)(dian)6~8小時,根據電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)容量不同(tong)可跑(pao)30~45公里,重量只有鉛酸(suan)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)1/5左右,鋰(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)電(dian)(dian)(dian)(dian)(dian)動(dong)自行(xing)車最大優(you)點是壽(shou)命長。說鋰(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)價(jia)格貴的(de)只是看(kan)到表面,其實仔(zi)細算算費用和(he)(he)鉛酸(suan)蓄電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)是差不多(duo)的(de),目(mu)(mu)前(qian)一般(ban)鋰(li)電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)質(zhi)(zhi)保(bao)2年,鉛酸(suan)蓄電(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)質(zhi)(zhi)保(bao)1年。
鋰電池具有免激活(huo)特性(xing)
在使(shi)用鋰(li)電池中應注(zhu)意(yi)的(de)是(shi),電池放置一段時間后則進入休眠狀態(tai),此(ci)時容量低于(yu)正常值,使(shi)用時間亦隨之縮短。但鋰(li)電池很容易激活(huo),只(zhi)要經過(guo)3―5次正常的(de)充放電循環就可激活(huo)電池,恢(hui)復正常容量。由于(yu)鋰(li)電池本身的(de)特(te)性,決(jue)定了它幾(ji)乎沒有記憶(yi)效(xiao)應 。因此(ci)用戶新鋰(li)電池在激活(huo)過(guo)程中,是(shi)不(bu)需要特(te)別(bie)的(de)方法(fa)和設備(bei)的(de)。
鋰電池帶(dai)記憶效(xiao)應(ying)
消費(fei)者(zhe)在給(gei)(gei)鉛(qian)酸蓄電池(chi)、鎳電池(chi)充電時,一直(zhi)都(dou)擔(dan)心電池(chi)發生記(ji)憶效應(ying)(ying),等用了鋰(li)電池(chi),大(da)家都(dou)可以松(song)下(xia)一口氣(qi),鋰(li)電池(chi)不(bu)帶記(ji)憶效應(ying)(ying)。要是還有消費(fei)者(zhe)不(bu)知道(dao)如何給(gei)(gei)鋰(li)電池(chi)充電,那不(bu)妨看(kan)看(kan)下(xia)面的內容。
鋰電池電動車的缺點:
鋰(li)電池電動車(che)價格過高皆因(yin)鋰(li)電池
目前鋰電(dian)池電(dian)動自行(xing)車的(de)(de)價(jia)格普遍比鉛酸(suan)電(dian)池電(dian)動車高出(chu)幾百元(yuan)到一千元(yuan),因此在(zai)市面上很難得到消費(fei)者顧客的(de)(de)認可。鋰電(dian)池輕巧、環保,廢棄(qi)后不會產生(sheng)環境污染(ran),一旦(dan)應用技術成熟,市場銷(xiao)量加大,鋰電(dian)池電(dian)動自行(xing)車的(de)(de)價(jia)格才(cai)會有所降(jiang)下來。
鋰電池充電時間(jian)過(guo)長適得其反
鋰電池或充電器在電池充滿后都會自動停充,并不存在鎳電充電器所謂的持續10幾小時的“涓流”充電(dian)(dian)。也就(jiu)是(shi)說,如果(guo)你的(de)鋰(li)電(dian)(dian)池在(zai)充滿后,放在(zai)充電(dian)(dian)器上也是(shi)白充。而我(wo)們誰都無法保(bao)證電(dian)(dian)池的(de)充放電(dian)(dian)保(bao)護電(dian)(dian)路(lu)的(de)特性永不變化(hua)和質量的(de)萬無一失,所以你的(de)電(dian)(dian)池將長期處(chu)在(zai)危險的(de)邊緣(yuan)徘徊。這(zhe)也是(shi)我(wo)們反對長充電(dian)(dian)的(de)另一個理由。
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(zhe)時系統不僅不停(ting)止(zhi)充電(dian),還將開始放電(dian)-充電(dian)循環。也(ye)許這(zhe)種做(zuo)法的廠商自有其目(mu)的,但(dan)顯然對電(dian)池的壽命而言是不利的。所以在(zai)購買鋰電(dian)池電(dian)動車后,要咨詢企(qi)業或者經銷商,做(zuo)好鋰電(dian)池維護(hu)工作。
鋰電池動力性有待提高
鋰電(dian)池(chi)比(bi)起鉛酸蓄電(dian)池(chi)在充放電(dian)方面(mian)耐(nai)波(bo)動的能力差得(de)多,對于(yu)目前大(da)功(gong)率車來說不能有效采(cai)用鋰電(dian)的一(yi)大(da)癥狀也就在此,導致(zhi)耐(nai)用性下降。
鋰離子(zi)電池安全(quan)性(xing)問題突出
鋰(li)電(dian)池(chi)的(de)安(an)全性仍(reng)有(you)待提高。鋰(li)電(dian)池(chi)起火、燃(ran)燒(shao)甚至爆(bao)炸的(de)隱患目(mu)前仍(reng)無法完全消除(chu)。車(che)輛發生(sheng)(sheng)碰(peng)撞(zhuang)可能導致電(dian)池(chi)正負極材料沖破隔(ge)膜,剎車(che)時(shi)能量快速回充(chong)至電(dian)池(chi)時(shi)瞬間的(de)超(chao)高電(dian)流等原因都會(hui)導致電(dian)池(chi)發生(sheng)(sheng)短(duan)路(lu)、溫度升高,引起燃(ran)燒(shao)甚至爆(bao)炸。起火的(de)原因是(shi)碰(peng)撞(zhuang)、短(duan)路(lu)導致鋰(li)離子(zi)析出(chu),與(yu)空(kong)氣接觸會(hui)發生(sheng)(sheng)起火、燃(ran)燒(shao)。另外,鋰(li)離子(zi)電(dian)池(chi)的(de)電(dian)解液(ye)是(shi)有(you)機電(dian)解液(ye),這些物質與(yu)空(kong)氣接觸后更容易起火燃(ran)燒(shao)。
鋰電(dian)池電(dian)動車配套(tao)問題
據(ju)全球電(dian)動車網小(xiao)編調查反饋得(de)到,目前(qian)鋰電(dian)池電(dian)動車相關配套(tao)的電(dian)機等外部設備(bei)還(huan)不夠成(cheng)熟。