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(zheng)登陸美(mei)國(guo)電(dian)(dian)動汽(qi)車(che)(che)市場(chang),這種充電(dian)(dian)器能夠在20分鐘內為電(dian)(dian)動車(che)(che)充滿80%的電(dian)(dian)量(liang)。消(xiao)費者(zhe)未來有望以(yi)低廉的價格在數分鐘內完(wan)成電(dian)(dian)動車(che)(che)充電(dian)(dian),而電(dian)(dian)能儲(chu)存則是實現這一目標的關鍵點。
快速充電(dian)器無疑為純(chun)電(dian)動汽車的(de)發展提(ti)供了便(bian)利(li),但電(dian)動汽車的(de)充電(dian)高峰時段(duan)很有可能給電(dian)網帶來巨大壓力,如(ru)果電(dian)動車充電(dian)業務選擇使用高電(dian)價的(de)峰時電(dian)充電(dian),一天(tian)的(de)費用將高達數(shu)(shu)百甚至(zhi)數(shu)(shu)千美元。
因(yin)此,發(fa)展快(kuai)(kuai)速(su)直流充(chong)電(dian)(dian)站,必須(xu)避免峰時(shi)充(chong)電(dian)(dian)的問題,因(yin)為電(dian)(dian)動汽(qi)車此時(shi)在快(kuai)(kuai)速(su)站充(chong)電(dian)(dian)將耗(hao)電(dian)(dian)50千瓦,是“慢速(su)”充(chong)電(dian)(dian)站耗(hao)電(dian)(dian)量的15倍。
事(shi)實上,自直流充(chong)電(dian)(dian)(dian)器計(ji)劃推出以來,電(dian)(dian)(dian)池生產廠(chang)家就(jiu)致力于開(kai)(kai)發對電(dian)(dian)(dian)網壓力較小的電(dian)(dian)(dian)池產品。例(li)如,美國電(dian)(dian)(dian)動汽車服(fu)務商350Green已經在芝加(jia)哥(ge)(ge)開(kai)(kai)始發展(zhan)鋰(li)離子電(dian)(dian)(dian)池的快速充(chong)電(dian)(dian)(dian)器,并與韓國方(fang)面開(kai)(kai)展(zhan)合作(zuo),建立(li)智能電(dian)(dian)(dian)網中心(xin),其中即包括芝加(jia)哥(ge)(ge)的280 AC和快速的安裝工(gong)作(zuo)。
同時,350Green已經建成一座電池包組(zu)裝廠,以期將電動汽車(che)充(chong)電產業延伸(shen)至全美。350Green的(de)CEO馬里亞納(Mariana Gerzanych)介(jie)紹,相關(guan)電池產品(pin)來自芝(zhi)加(jia)哥(ge)伊利(li)諾理工(gong)大學(Illinois Institute of Technology)及其(qi)下設的(de)AllCell科技公司(AllCell Technologie)。
馬里(li)亞納(na)稱,350Green電(dian)(dian)池(chi)(chi)包組裝業務(wu)并(bing)非限定(ding)于特(te)定(ding)電(dian)(dian)池(chi)(chi)供應商。2012年8月,350Green電(dian)(dian)池(chi)(chi)組裝廠(chang)將(jiang)投(tou)產,本(ben)年度電(dian)(dian)池(chi)(chi)包組裝量達3兆。
