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)時間方法問題已(yi)經講(jiang)過(guo)了,那鋰(li)(li)電(dian)(dian)池(chi)與鉛酸蓄(xu)電(dian)(dian)池(chi)的(de)優缺(que)點又有(you)誰真的(de)去(qu)了解過(guo)呢?鋰(li)(li)電(dian)(dian)池(chi)電(dian)(dian)動(dong)車(che)好(hao)嗎?鋰(li)(li)電(dian)(dian)池(chi)電(dian)(dian)動(dong)車(che)你知道(dao)多少!那鋰(li)(li)電(dian)(dian)池(chi)電(dian)(dian)動(dong)車(che)到底有(you)多好(hao)?它真的(de)有(you)大(da)家說(shuo)的(de)那么(me)好(hao)嗎?
現(xian)在市面上,賣(mai)的(de)最(zui)多的(de)還是(shi)鉛酸電(dian)池(chi)電(dian)動(dong)車,但有不(bu)少地區開始引進(jin)鋰(li)(li)電(dian)池(chi)電(dian)動(dong)車了。鋰(li)(li)電(dian)池(chi)電(dian)動(dong)車顧名思義,簡(jian)單來說就是(shi)把鉛酸換成了鋰(li)(li)電(dian)池(chi)而已。那和鉛酸電(dian)池(chi)相比,電(dian)動(dong)車鋰(li)(li)電(dian)池(chi)好不(bu)好?它真(zhen)的(de)有企業,經銷商說的(de)那么傳(chuan)神么?如今國(guo)家大力提倡節能、綠(lv)色、環保,真(zhen)的(de)能普及開來,等等問題一直都未有人回答。
一說到(dao)電動車鋰電池好不(bu)好?大家(jia)觀點都非(fei)常(chang)一致,“鋰電池比(bi)鉛(qian)酸電池要輕,壽命(ming)也長(chang),但(dan)是價格非(fei)常(chang)貴”,小編每當再問細點,到(dao)底好在哪時(shi)?大家(jia)又顯得都回答(da)不(bu)上話來。
鋰(li)電池(chi)電動(dong)車好嗎?
鋰電池電動車優點:
鋰(li)電池壽命(ming)長(chang)重量(liang)輕體積小
鋰電(dian)(dian)池(chi)電(dian)(dian)動車(che)(che)目前品牌多(duo)(duo)樣化,捷安特,凱(kai)騎(qi),捷奧比,途(tu)爾鋰電(dian)(dian)車(che)(che)等...鋰電(dian)(dian)池(chi)電(dian)(dian)動自行(xing)車(che)(che)的(de)(de)動力性能和鉛(qian)酸(suan)(suan)電(dian)(dian)池(chi)(簡(jian)易款電(dian)(dian)動自行(xing)車(che)(che))差(cha)不(bu)(bu)多(duo)(duo),充電(dian)(dian)6~8小(xiao)時,根(gen)據電(dian)(dian)池(chi)容量不(bu)(bu)同可(ke)跑30~45公里,重量只有(you)鉛(qian)酸(suan)(suan)電(dian)(dian)池(chi)的(de)(de)1/5左右,鋰電(dian)(dian)池(chi)電(dian)(dian)動自行(xing)車(che)(che)最大(da)優點是壽命長。說鋰電(dian)(dian)池(chi)價格貴(gui)的(de)(de)只是看到表面,其實仔(zi)細(xi)算算費用和鉛(qian)酸(suan)(suan)蓄電(dian)(dian)池(chi)是差(cha)不(bu)(bu)多(duo)(duo)的(de)(de),目前一般(ban)鋰電(dian)(dian)池(chi)質保2年(nian),鉛(qian)酸(suan)(suan)蓄電(dian)(dian)池(chi)質保1年(nian)。
鋰電(dian)池(chi)具有免激活特性(xing)
在使用鋰(li)電(dian)(dian)(dian)池(chi)(chi)中(zhong)應注意的(de)是(shi)(shi),電(dian)(dian)(dian)池(chi)(chi)放置(zhi)一段時間后則進入休眠(mian)狀態,此(ci)時容(rong)(rong)量低于正(zheng)常值,使用時間亦(yi)隨之縮短。但鋰(li)電(dian)(dian)(dian)池(chi)(chi)很容(rong)(rong)易激活,只要(yao)經過3―5次正(zheng)常的(de)充放電(dian)(dian)(dian)循環就可激活電(dian)(dian)(dian)池(chi)(chi),恢(hui)復正(zheng)常容(rong)(rong)量。由于鋰(li)電(dian)(dian)(dian)池(chi)(chi)本身的(de)特性,決定了(le)它幾(ji)乎沒有記憶效應 。因(yin)此(ci)用戶新鋰(li)電(dian)(dian)(dian)池(chi)(chi)在激活過程中(zhong),是(shi)(shi)不(bu)需要(yao)特別的(de)方法和設備的(de)。
鋰電(dian)池(chi)帶記憶效應
消(xiao)費(fei)(fei)者(zhe)在(zai)給(gei)鉛酸蓄電(dian)池(chi)、鎳電(dian)池(chi)充電(dian)時,一直都擔心電(dian)池(chi)發生(sheng)記憶效(xiao)應(ying),等(deng)用(yong)了鋰電(dian)池(chi),大(da)家都可以(yi)松下(xia)一口氣,鋰電(dian)池(chi)不帶記憶效(xiao)應(ying)。要(yao)是還有消(xiao)費(fei)(fei)者(zhe)不知道如何給(gei)鋰電(dian)池(chi)充電(dian),那不妨看(kan)看(kan)下(xia)面的內(nei)容。
鋰電池電動(dong)車的缺點:
鋰(li)電(dian)池電(dian)動車(che)價格過高(gao)皆因鋰(li)電(dian)池
目前鋰電(dian)池(chi)(chi)(chi)電(dian)動自(zi)行(xing)車的價格普(pu)遍比鉛(qian)酸(suan)電(dian)池(chi)(chi)(chi)電(dian)動車高出幾百元到(dao)一(yi)(yi)千元,因(yin)此在(zai)市面上很難得到(dao)消費者顧(gu)客的認可。鋰電(dian)池(chi)(chi)(chi)輕(qing)巧、環保(bao),廢棄(qi)后不(bu)會產生環境污染(ran),一(yi)(yi)旦應用(yong)技術成熟,市場銷量加大,鋰電(dian)池(chi)(chi)(chi)電(dian)動自(zi)行(xing)車的價格才會有(you)所降下(xia)來。
鋰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,并不存在鎳電充電器所謂的持續10幾小時的“涓流”充(chong)電(dian)。也(ye)(ye)就是(shi)說,如(ru)果你的(de)鋰電(dian)池(chi)(chi)(chi)在充(chong)滿(man)后(hou),放(fang)在充(chong)電(dian)器上也(ye)(ye)是(shi)白充(chong)。而我(wo)們(men)(men)誰都無(wu)法保證(zheng)電(dian)池(chi)(chi)(chi)的(de)充(chong)放(fang)電(dian)保護電(dian)路的(de)特性永不變化和質量的(de)萬(wan)無(wu)一(yi)失,所以(yi)你的(de)電(dian)池(chi)(chi)(chi)將(jiang)長期處(chu)在危險的(de)邊緣徘(pai)徊。這也(ye)(ye)是(shi)我(wo)們(men)(men)反對長充(chong)電(dian)的(de)另(ling)一(yi)個(ge)理由(you)。
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(tong)不僅不停(ting)止充電(dian),還(huan)將開始放電(dian)-充電(dian)循環。也許這種(zhong)做(zuo)法的(de)(de)廠商自(zi)有其目的(de)(de),但顯然對(dui)電(dian)池(chi)(chi)的(de)(de)壽命而言(yan)是不利的(de)(de)。所以在購買鋰電(dian)池(chi)(chi)電(dian)動車后,要咨詢企(qi)業(ye)或(huo)者(zhe)經銷商,做(zuo)好鋰電(dian)池(chi)(chi)維(wei)護工(gong)作。
鋰(li)電池動力性有待提高(gao)
鋰電(dian)(dian)池(chi)比(bi)起鉛酸蓄電(dian)(dian)池(chi)在充放電(dian)(dian)方面耐波動的能力(li)差(cha)得多,對于目前(qian)大功率車來說不能有效采用(yong)(yong)鋰電(dian)(dian)的一大癥狀也就在此,導致耐用(yong)(yong)性下降。
鋰(li)離子電池安(an)全性(xing)問題突出
鋰電(dian)(dian)(dian)(dian)池(chi)的安全(quan)性(xing)仍有(you)待提(ti)高。鋰電(dian)(dian)(dian)(dian)池(chi)起(qi)(qi)火(huo)、燃燒(shao)(shao)甚至(zhi)爆炸的隱患目前仍無法完全(quan)消除。車輛發生碰撞(zhuang)可能導(dao)(dao)致(zhi)電(dian)(dian)(dian)(dian)池(chi)正負極材料(liao)沖破隔膜,剎車時(shi)能量快速回充至(zhi)電(dian)(dian)(dian)(dian)池(chi)時(shi)瞬間的超高電(dian)(dian)(dian)(dian)流等原因(yin)都會導(dao)(dao)致(zhi)電(dian)(dian)(dian)(dian)池(chi)發生短(duan)路、溫度升高,引(yin)起(qi)(qi)燃燒(shao)(shao)甚至(zhi)爆炸。起(qi)(qi)火(huo)的原因(yin)是碰撞(zhuang)、短(duan)路導(dao)(dao)致(zhi)鋰離(li)(li)子(zi)析(xi)出,與空(kong)氣(qi)(qi)接觸(chu)會發生起(qi)(qi)火(huo)、燃燒(shao)(shao)。另(ling)外,鋰離(li)(li)子(zi)電(dian)(dian)(dian)(dian)池(chi)的電(dian)(dian)(dian)(dian)解(jie)液是有(you)機(ji)電(dian)(dian)(dian)(dian)解(jie)液,這些物質與空(kong)氣(qi)(qi)接觸(chu)后更容(rong)易(yi)起(qi)(qi)火(huo)燃燒(shao)(shao)。
鋰電池電動車配套問題
據全球電動車網小編調查反饋得(de)到(dao),目前鋰電池(chi)電動車相(xiang)關配套(tao)的電機等外(wai)部設備還(huan)不夠成熟。
