電動車快速充電成本降低亟需“儲能”
一種快速直流電池充電器正登陸美國(guo)電(dian)(dian)動(dong)汽車(che)市(shi)場,這(zhe)種充電(dian)(dian)器能夠在(zai)20分鐘(zhong)內為電(dian)(dian)動(dong)車(che)充滿80%的電(dian)(dian)量(liang)。消費(fei)者未來(lai)有望以低廉的價格在(zai)數分鐘(zhong)內完成電(dian)(dian)動(dong)車(che)充電(dian)(dian),而(er)電(dian)(dian)能儲(chu)存則(ze)是實現這(zhe)一目標的關鍵點。
快(kuai)速(su)充電(dian)(dian)器無疑為(wei)純電(dian)(dian)動(dong)汽車(che)(che)的(de)發展(zhan)提供(gong)了便利,但電(dian)(dian)動(dong)汽車(che)(che)的(de)充電(dian)(dian)高(gao)峰時段(duan)很(hen)有可能給電(dian)(dian)網帶來巨大壓力,如果電(dian)(dian)動(dong)車(che)(che)充電(dian)(dian)業(ye)務選擇使用(yong)高(gao)電(dian)(dian)價的(de)峰時電(dian)(dian)充電(dian)(dian),一天的(de)費用(yong)將高(gao)達數百甚至(zhi)數千美元(yuan)。
因此,發展(zhan)快速直(zhi)流(liu)充(chong)(chong)電(dian)(dian)(dian)(dian)站(zhan),必須(xu)避(bi)免峰時(shi)充(chong)(chong)電(dian)(dian)(dian)(dian)的(de)問題,因為(wei)電(dian)(dian)(dian)(dian)動汽車此時(shi)在(zai)快速站(zhan)充(chong)(chong)電(dian)(dian)(dian)(dian)將耗電(dian)(dian)(dian)(dian)50千瓦,是“慢速”充(chong)(chong)電(dian)(dian)(dian)(dian)站(zhan)耗電(dian)(dian)(dian)(dian)量(liang)的(de)15倍。
事實上,自直流充(chong)電(dian)器(qi)計劃推(tui)出(chu)以來(lai),電(dian)池(chi)(chi)生產(chan)廠家就致(zhi)力(li)于開發對電(dian)網壓力(li)較(jiao)小(xiao)的(de)電(dian)池(chi)(chi)產(chan)品。例如,美國電(dian)動汽(qi)車服務(wu)商350Green已經在芝加哥開始發展(zhan)(zhan)鋰離子電(dian)池(chi)(chi)的(de)快(kuai)速充(chong)電(dian)器(qi),并與(yu)韓國方面開展(zhan)(zhan)合作,建立智能電(dian)網中心,其中即包括芝加哥的(de)280 AC和(he)快(kuai)速的(de)安裝工作。
同時,350Green已經建成一座電池(chi)(chi)包組(zu)裝(zhuang)廠,以(yi)期將電動汽車充電產業延伸至(zhi)全美。350Green的CEO馬(ma)里亞納(Mariana Gerzanych)介紹(shao),相(xiang)關電池(chi)(chi)產品來自芝加哥(ge)伊利諾理工大學(Illinois Institute of Technology)及其下設的AllCell科技公(gong)司(AllCell Technologie)。
馬里亞納稱,350Green電池(chi)包(bao)組(zu)裝業務(wu)并非限定于特定電池(chi)供應商。2012年(nian)8月,350Green電池(chi)組(zu)裝廠(chang)將投產,本年(nian)度電池(chi)包(bao)組(zu)裝量(liang)達3兆。
