從技術專利對蓄電池研發的認知
蓄(xu)(xu)電(dian)(dian)(dian)(dian)池是純電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)汽(qi)車(che)的(de)唯一(yi)能(neng)(neng)源,它(ta)除(chu)了供(gong)給汽(qi)車(che)驅動(dong)(dong)(dong)行駛(shi)所需電(dian)(dian)(dian)(dian)能(neng)(neng)外,也是汽(qi)車(che)上各(ge)種輔(fu)助(zhu)裝置(zhi)的(de)工作(zuo)電(dian)(dian)(dian)(dian)源。蓄(xu)(xu)電(dian)(dian)(dian)(dian)池的(de)各(ge)項性能(neng)(neng)指標(biao)很(hen)大(da)程(cheng)度地決定了汽(qi)車(che)的(de)行駛(shi)性能(neng)(neng),如純電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)汽(qi)車(che)的(de)續(xu)駛(shi)里(li)程(cheng)和加(jia)速或爬坡動(dong)(dong)(dong)力性能(neng)(neng)等。因此(ci),世界(jie)各(ge)國(guo)均將電(dian)(dian)(dian)(dian)動(dong)(dong)(dong)汽(qi)車(che)電(dian)(dian)(dian)(dian)池視(shi)為研發重點,給予大(da)力的(de)政策(ce)以及財政支(zhi)持(chi)。
自(zi)1970年(nian)Propulsion Batteries Limited申(shen)請(qing)第一件(jian)純電動汽車用(yong)蓄電池專(zhuan)利申(shen)請(qing)US3928080以來,幾乎(hu)每年(nian)都有新專(zhuan)利申(shen)請(qing)被(bei)提(ti)交,尤(you)其在(zai)1991年(nian)后(hou),有關(guan)純電動汽車用(yong)蓄電池的專(zhuan)利申(shen)請(qing)相較(jiao)于之前成倍增(zeng)長(chang)。
日(ri)(ri)本(ben)(ben)(ben):目(mu)前,日(ri)(ri)本(ben)(ben)(ben)純(chun)電(dian)(dian)(dian)動汽(qi)車(che)(che)(che)用蓄電(dian)(dian)(dian)池(chi)的(de)研究主要集(ji)中在(zai)鋰電(dian)(dian)(dian)池(chi),其次為鉛酸電(dian)(dian)(dian)池(chi)、鎳氫電(dian)(dian)(dian)池(chi)和鈉電(dian)(dian)(dian)池(chi)等。從(cong)世界范圍內的(de)專(zhuan)(zhuan)利(li)(li)(li)申(shen)(shen)(shen)請(qing)的(de)總量來看,日(ri)(ri)本(ben)(ben)(ben)擁(yong)有(you)的(de)純(chun)電(dian)(dian)(dian)動汽(qi)車(che)(che)(che)用蓄電(dian)(dian)(dian)池(chi)及(ji)其管(guan)理系(xi)統相關(guan)專(zhuan)(zhuan)利(li)(li)(li)申(shen)(shen)(shen)請(qing)數量最多。從(cong)日(ri)(ri)本(ben)(ben)(ben)國內的(de)專(zhuan)(zhuan)利(li)(li)(li)申(shen)(shen)(shen)請(qing)量來看,在(zai)和純(chun)電(dian)(dian)(dian)動汽(qi)車(che)(che)(che)用蓄電(dian)(dian)(dian)池(chi)及(ji)其管(guan)理系(xi)統有(you)關(guan)的(de)6782件專(zhuan)(zhuan)利(li)(li)(li)申(shen)(shen)(shen)請(qing)中,其中超(chao)過90%的(de)專(zhuan)(zhuan)利(li)(li)(li)申(shen)(shen)(shen)請(qing)來自日(ri)(ri)本(ben)(ben)(ben)申(shen)(shen)(shen)請(qing)人。無論是(shi)從(cong)世界專(zhuan)(zhuan)利(li)(li)(li)申(shen)(shen)(shen)請(qing)的(de)擁(yong)有(you)量角度,還是(shi)從(cong)日(ri)(ri)本(ben)(ben)(ben)專(zhuan)(zhuan)利(li)(li)(li)申(shen)(shen)(shen)請(qing)中日(ri)(ri)本(ben)(ben)(ben)申(shen)(shen)(shen)請(qing)人所(suo)占的(de)份額角度,日(ri)(ri)本(ben)(ben)(ben)在(zai)純(chun)電(dian)(dian)(dian)動汽(qi)車(che)(che)(che)用蓄電(dian)(dian)(dian)池(chi)及(ji)其管(guan)理系(xi)統領域都是(shi)實力最強者,掌控(kong)著絕大部分專(zhuan)(zhuan)利(li)(li)(li)技術。
美國:作為世界上最大的汽車生產和消費國,美國較早開展了電動汽車技術研究和開發。目前,美國純電動汽車用蓄電池的研究主要集中在鋰電池,鋰電池相關(guan)(guan)專(zhuan)利(li)(li)數(shu)量(liang)占動(dong)力電(dian)池(chi)專(zhuan)利(li)(li)數(shu)量(liang)的(de)70%以上,其次為鉛酸電(dian)池(chi)、鎳氫(qing)電(dian)池(chi)、空氣電(dian)池(chi)和(he)鈉電(dian)池(chi)等(deng)。從(cong)世界范圍內的(de)專(zhuan)利(li)(li)申(shen)(shen)(shen)(shen)(shen)請(qing)(qing)的(de)總量(liang)來(lai)看(kan),截至2010年6月(yue),美(mei)國(guo)的(de)純電(dian)動(dong)汽(qi)車用蓄(xu)電(dian)池(chi)及其管理(li)系(xi)統相關(guan)(guan)專(zhuan)利(li)(li)申(shen)(shen)(shen)(shen)(shen)請(qing)(qing)數(shu)量(liang)位于日本(ben)之后,排名第二。從(cong)美(mei)國(guo)國(guo)內的(de)專(zhuan)利(li)(li)申(shen)(shen)(shen)(shen)(shen)請(qing)(qing)量(liang)來(lai)看(kan),在和(he)純電(dian)動(dong)汽(qi)車用蓄(xu)電(dian)池(chi)及其管理(li)系(xi)統有關(guan)(guan)的(de)專(zhuan)利(li)(li)申(shen)(shen)(shen)(shen)(shen)請(qing)(qing)中(zhong),來(lai)自(zi)日本(ben)申(shen)(shen)(shen)(shen)(shen)請(qing)(qing)人(ren)的(de)專(zhuan)利(li)(li)最多,接近總量(liang)的(de)60%,而(er)來(lai)自(zi)美(mei)國(guo)申(shen)(shen)(shen)(shen)(shen)請(qing)(qing)人(ren)的(de)專(zhuan)利(li)(li)申(shen)(shen)(shen)(shen)(shen)請(qing)(qing)數(shu)量(liang)次于日本(ben)。
德(de)(de)國(guo):目前,德(de)(de)國(guo)純電(dian)(dian)動(dong)汽(qi)車用(yong)(yong)蓄電(dian)(dian)池的(de)(de)(de)(de)研究(jiu)主要集中在(zai)鋰電(dian)(dian)池,其(qi)(qi)次(ci)為鉛酸電(dian)(dian)池、鎳氫電(dian)(dian)池、鈉(na)電(dian)(dian)池和空氣(qi)電(dian)(dian)池等。從(cong)世界范圍(wei)內的(de)(de)(de)(de)專(zhuan)(zhuan)(zhuan)利(li)(li)申(shen)請(qing)的(de)(de)(de)(de)總(zong)量(liang)來看,截至2010年6月,德(de)(de)國(guo)的(de)(de)(de)(de)純電(dian)(dian)動(dong)汽(qi)車用(yong)(yong)蓄電(dian)(dian)池及(ji)(ji)其(qi)(qi)管(guan)理(li)系統(tong)相關專(zhuan)(zhuan)(zhuan)利(li)(li)申(shen)請(qing)數量(liang)居世界排(pai)名(ming)第(di)6位(wei),與排(pai)名(ming)首位(wei)的(de)(de)(de)(de)日(ri)本專(zhuan)(zhuan)(zhuan)利(li)(li)數量(liang)相差很大(da),僅占日(ri)本申(shen)請(qing)量(liang)的(de)(de)(de)(de)11%。從(cong)德(de)(de)國(guo)國(guo)內的(de)(de)(de)(de)專(zhuan)(zhuan)(zhuan)利(li)(li)申(shen)請(qing)量(liang)來看,德(de)(de)國(guo)申(shen)請(qing)人持(chi)有的(de)(de)(de)(de)專(zhuan)(zhuan)(zhuan)利(li)(li)約占總(zong)量(liang)的(de)(de)(de)(de)43%,高于(yu)排(pai)名(ming)第(di)二的(de)(de)(de)(de)日(ri)本。在(zai)全(quan)球范圍(wei)來看,德(de)(de)國(guo)在(zai)純電(dian)(dian)動(dong)汽(qi)車用(yong)(yong)蓄電(dian)(dian)池及(ji)(ji)其(qi)(qi)管(guan)理(li)系統(tong)領域(yu)的(de)(de)(de)(de)技術實力(li)遠不(bu)及(ji)(ji)日(ri)本,但(dan)是在(zai)本國(guo)范圍(wei)內,德(de)(de)國(guo)擁(yong)(yong)有較強的(de)(de)(de)(de)技術優勢(shi),專(zhuan)(zhuan)(zhuan)利(li)(li)擁(yong)(yong)有量(liang)高于(yu)日(ri)本。
韓(han)(han)國(guo)(guo)(guo)(guo):當前韓(han)(han)國(guo)(guo)(guo)(guo)汽(qi)車(che)產量(liang)(liang)(liang)(liang)和出(chu)口量(liang)(liang)(liang)(liang)分別名列(lie)全球(qiu)第五位和第四位。韓(han)(han)國(guo)(guo)(guo)(guo)純電(dian)動(dong)汽(qi)車(che)用蓄(xu)電(dian)池(chi)的(de)(de)研究主要集中(zhong)在(zai)(zai)鋰電(dian)池(chi),其專(zhuan)利申(shen)(shen)請(qing)量(liang)(liang)(liang)(liang)遠遠高于(yu)鎳氫電(dian)池(chi)、鉛酸(suan)電(dian)池(chi)和鈉電(dian)池(chi)。從世界(jie)范圍內(nei)的(de)(de)專(zhuan)利申(shen)(shen)請(qing)的(de)(de)總量(liang)(liang)(liang)(liang)來(lai)看(kan),韓(han)(han)國(guo)(guo)(guo)(guo)純電(dian)動(dong)汽(qi)車(che)用蓄(xu)電(dian)池(chi)及(ji)(ji)其管(guan)理(li)系(xi)統相關專(zhuan)利申(shen)(shen)請(qing)數(shu)量(liang)(liang)(liang)(liang)在(zai)(zai)日(ri)本、美國(guo)(guo)(guo)(guo)、中(zhong)國(guo)(guo)(guo)(guo)和歐洲之(zhi)后。從韓(han)(han)國(guo)(guo)(guo)(guo)國(guo)(guo)(guo)(guo)內(nei)的(de)(de)專(zhuan)利申(shen)(shen)請(qing)量(liang)(liang)(liang)(liang)來(lai)看(kan),在(zai)(zai)和純電(dian)動(dong)汽(qi)車(che)用蓄(xu)電(dian)池(chi)及(ji)(ji)其管(guan)理(li)系(xi)統有關的(de)(de)專(zhuan)利申(shen)(shen)請(qing)中(zhong),申(shen)(shen)請(qing)量(liang)(liang)(liang)(liang)最多的(de)(de)專(zhuan)利申(shen)(shen)請(qing)來(lai)自韓(han)(han)國(guo)(guo)(guo)(guo)本國(guo)(guo)(guo)(guo)的(de)(de)申(shen)(shen)請(qing)人,日(ri)本申(shen)(shen)請(qing)人排(pai)(pai)名第二,申(shen)(shen)請(qing)量(liang)(liang)(liang)(liang)僅次于(yu)韓(han)(han)國(guo)(guo)(guo)(guo)。這兩個(ge)國(guo)(guo)(guo)(guo)家在(zai)(zai)蓄(xu)電(dian)池(chi)及(ji)(ji)其管(guan)理(li)系(xi)統領域的(de)(de)韓(han)(han)國(guo)(guo)(guo)(guo)專(zhuan)利申(shen)(shen)請(qing)量(liang)(liang)(liang)(liang)遠遠高于(yu)排(pai)(pai)名第三的(de)(de)美國(guo)(guo)(guo)(guo)及(ji)(ji)其他國(guo)(guo)(guo)(guo)家。
中國:我國圍繞提高單體電池的電性能、安全性能和壽命等綜合技術指標進行了大量的研究攻關,目前高功率鎳氫電池、鋰離子電池性能有了較(jiao)(jiao)大(da)提高。從世界范圍內專(zhuan)(zhuan)利(li)(li)申(shen)請的(de)(de)(de)總量(liang)(liang)來看,中(zhong)國(guo)(guo)在(zai)純(chun)電(dian)動汽車(che)(che)用(yong)(yong)蓄(xu)電(dian)池(chi)及(ji)其(qi)管(guan)(guan)理(li)系(xi)統領域的(de)(de)(de)專(zhuan)(zhuan)利(li)(li)申(shen)請數(shu)量(liang)(liang)僅次于日(ri)本和美國(guo)(guo),排名第三。從中(zhong)國(guo)(guo)國(guo)(guo)內的(de)(de)(de)專(zhuan)(zhuan)利(li)(li)申(shen)請量(liang)(liang)來看,日(ri)本在(zai)我(wo)國(guo)(guo)擁有的(de)(de)(de)專(zhuan)(zhuan)利(li)(li)申(shen)請數(shu)量(liang)(liang)最多(duo),松下、豐田、三洋等知名日(ri)本企業在(zai)中(zhong)國(guo)(guo)擁有數(shu)量(liang)(liang)較(jiao)(jiao)多(duo)的(de)(de)(de)高質(zhi)量(liang)(liang)的(de)(de)(de)專(zhuan)(zhuan)利(li)(li)。我(wo)國(guo)(guo)國(guo)(guo)內企業中(zhong),比亞(ya)迪(002594,股吧)汽車(che)(che)在(zai)電(dian)動汽車(che)(che)電(dian)池(chi)技術(shu)領域的(de)(de)(de)研(yan)發實(shi)力較(jiao)(jiao)為突出,主要以鋰離子(zi)電(dian)池(chi)和聚合物鋰離子(zi)電(dian)池(chi)為研(yan)究重點(dian),對(dui)電(dian)池(chi)結(jie)構及(ji)制造方法十分重視(shi)。比亞(ya)迪汽車(che)(che)早在(zai)2003年(nian)就申(shen)請了第一(yi)件純(chun)電(dian)動汽車(che)(che)用(yong)(yong)蓄(xu)電(dian)池(chi)及(ji)其(qi)管(guan)(guan)理(li)系(xi)統的(de)(de)(de)中(zhong)國(guo)(guo)專(zhuan)(zhuan)利(li)(li),2003年(nian)開始在(zai)純(chun)電(dian)動汽車(che)(che)用(yong)(yong)蓄(xu)電(dian)池(chi)及(ji)其(qi)管(guan)(guan)理(li)系(xi)統方面進行(xing)海外市場專(zhuan)(zhuan)利(li)(li)布局(ju),第一(yi)條海外申(shen)請的(de)(de)(de)專(zhuan)(zhuan)利(li)(li)是在(zai)美國(guo)(guo)。
在未來幾年的(de)(de)(de)(de)時間里,在電(dian)(dian)動(dong)(dong)汽車(che)(che)領域的(de)(de)(de)(de)知識產權競(jing)爭(zheng)中(zhong),日(ri)本將(jiang)走(zou)在美(mei)國(guo)(guo)、歐洲和其(qi)他(ta)國(guo)(guo)家的(de)(de)(de)(de)前(qian)列(lie)。但由(you)于(yu)電(dian)(dian)動(dong)(dong)汽車(che)(che)產業(ye)正處于(yu)快速成(cheng)(cheng)長期,許多關(guan)鍵技(ji)術(shu)尚未出現成(cheng)(cheng)熟的(de)(de)(de)(de)解決方案,美(mei)國(guo)(guo)和歐洲依(yi)托其(qi)強大的(de)(de)(de)(de)基礎(chu)研(yan)究優(you)勢,極有可(ke)能在某些關(guan)鍵技(ji)術(shu)上(shang)率先取得突破性(xing)進展,重新獲(huo)得競(jing)爭(zheng)優(you)勢。加之(zhi)韓(han)國(guo)(guo)和中(zhong)國(guo)(guo)等(deng)汽車(che)(che)產業(ye)的(de)(de)(de)(de)后起之(zhi)秀不斷(duan)加大電(dian)(dian)動(dong)(dong)汽車(che)(che)的(de)(de)(de)(de)研(yan)發(fa)投入,可(ke)以預(yu)料(liao)未來電(dian)(dian)動(dong)(dong)汽車(che)(che)的(de)(de)(de)(de)競(jing)爭(zheng)格局(ju)將(jiang)更(geng)加復雜。