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動力電池和儲能電池之間的區別和聯系

山東埃爾派 |  點擊量:0次(ci)  |  2020-03-11

摘要
動力電池和儲能電池之間的區別和聯系
由于應用場景不同,電池的性能要求也有所不同。絕大多數儲能裝置無需移動,因此儲能鋰電池對于能量密度并沒有直接的要求。相對于動力鋰

  動力電(dian)池(chi)和儲能電(dian)池(chi)之間的區別和聯系

  由(you)于應用(yong)(yong)場景不(bu)同,電(dian)(dian)池(chi)(chi)(chi)(chi)的性能要求也有所(suo)(suo)不(bu)同。絕大(da)多(duo)數儲(chu)(chu)能裝(zhuang)置無需移動,因(yin)此儲(chu)(chu)能鋰(li)(li)(li)電(dian)(dian)池(chi)(chi)(chi)(chi)對(dui)于能量密(mi)度并(bing)沒有直接的要求。相對(dui)于動力鋰(li)(li)(li)電(dian)(dian)池(chi)(chi)(chi)(chi)而言,儲(chu)(chu)能鋰(li)(li)(li)電(dian)(dian)池(chi)(chi)(chi)(chi)對(dui)于使用(yong)(yong)壽命有更高的要求。在成本(ben)方面,動力鋰(li)(li)(li)電(dian)(dian)池(chi)(chi)(chi)(chi)面臨和(he)傳(chuan)統(tong)燃油(you)動力源的競爭,儲(chu)(chu)能鋰(li)(li)(li)電(dian)(dian)池(chi)(chi)(chi)(chi)則需要面對(dui)傳(chuan)統(tong)調峰(feng)調頻技術(shu)的成本(ben)競爭。電(dian)(dian)池(chi)(chi)(chi)(chi)是用(yong)(yong)來儲(chu)(chu)存電(dian)(dian)量的,從(cong)應用(yong)(yong)上(shang)來講,都是儲(chu)(chu)能的,因(yin)此可以說所(suo)(suo)有的鋰(li)(li)(li)電(dian)(dian)池(chi)(chi)(chi)(chi)都是儲(chu)(chu)能電(dian)(dian)池(chi)(chi)(chi)(chi),后來為(wei)了(le)區分應用(yong)(yong),按場景分為(wei)消費(fei)電(dian)(dian)池(chi)(chi)(chi)(chi)、動力電(dian)(dian)池(chi)(chi)(chi)(chi)和(he)儲(chu)(chu)能電(dian)(dian)池(chi)(chi)(chi)(chi)三種。消費(fei)類(lei)應用(yong)(yong)是在手機、筆記本(ben)電(dian)(dian)腦(nao)、數碼(ma)相機等消費(fei)類(lei)產(chan)品(pin),動力類(lei)應用(yong)(yong)在電(dian)(dian)動汽車上(shang),儲(chu)(chu)能類(lei)應用(yong)(yong)在儲(chu)(chu)能電(dian)(dian)站上(shang)。

  電(dian)(dian)池(chi)是(shi)用(yong)(yong)來儲(chu)存電(dian)(dian)量的(de),從應(ying)用(yong)(yong)上來講,都是(shi)儲(chu)能的(de),因此(ci)可以說所有(you)的(de)鋰電(dian)(dian)池(chi)都是(shi)儲(chu)能電(dian)(dian)池(chi),后來為了(le)區分應(ying)用(yong)(yong),按(an)場景分為消費電(dian)(dian)池(chi)、動(dong)力電(dian)(dian)池(chi)和儲(chu)能電(dian)(dian)池(chi)三(san)種(zhong)。消費類應(ying)用(yong)(yong)是(shi)在手機、筆記本電(dian)(dian)腦(nao)、數碼相機等消費類產(chan)品,動(dong)力類應(ying)用(yong)(yong)在電(dian)(dian)動(dong)汽車上,儲(chu)能類應(ying)用(yong)(yong)在儲(chu)能電(dian)(dian)站上。

  動(dong)力(li)電池(chi)(chi)其(qi)實也(ye)是儲(chu)能(neng)電池(chi)(chi)的(de)(de)(de)一種,主要應用于(yu)電動(dong)汽(qi)車(che),由于(yu)受到汽(qi)車(che)的(de)(de)(de)體(ti)積和重量限制以(yi)及啟動(dong)加(jia)速等要求(qiu)(qiu),動(dong)力(li)電池(chi)(chi)比普(pu)通的(de)(de)(de)儲(chu)能(neng)電池(chi)(chi)有(you)更高的(de)(de)(de)性能(neng)要求(qiu)(qiu),如能(neng)量密度(du)要盡量高,電池(chi)(chi)的(de)(de)(de)充電速度(du)要快,放(fang)電電流要大,但(dan)普(pu)通儲(chu)能(neng)電池(chi)(chi)的(de)(de)(de)要求(qiu)(qiu)沒有(you)這么高,根據標準,動(dong)力(li)電池(chi)(chi)的(de)(de)(de)容量低(di)于(yu)80%就(jiu)不能(neng)再用在新能(neng)源汽(qi)車(che)了,但(dan)稍加(jia)改造,還可以(yi)用在儲(chu)能(neng)系統中(zhong)。

  從應用場景(jing)來(lai)看,動(dong)力鋰(li)電(dian)池主要用于電(dian)動(dong)汽車、電(dian)動(dong)自行車以及(ji)其它電(dian)動(dong)工具領域(yu),而儲能(neng)鋰(li)電(dian)池主要用于調峰(feng)調頻電(dian)力輔助(zhu)服務、可再生能(neng)源(yuan)并網和微電(dian)網等領域(yu)。

  由(you)于(yu)應(ying)用場景不同(tong),電(dian)池(chi)(chi)的(de)性能要求(qiu)也有(you)所不同(tong)。首先,動力(li)鋰電(dian)池(chi)(chi)作為移動電(dian)源,在安(an)全(quan)(quan)的(de)前(qian)提下對于(yu)體積(和質量)能量密度盡可能有(you)高的(de)要求(qiu),以達(da)到更為持(chi)久(jiu)的(de)續(xu)航能力(li)。同(tong)時,用戶(hu)還(huan)希望電(dian)動汽(qi)車(che)能夠安(an)全(quan)(quan)快充,因此(ci)動力(li)鋰電(dian)池(chi)(chi)對于(yu)能量密度和功率密度都(dou)有(you)較高的(de)要求(qiu),只(zhi)是因為出于(yu)安(an)全(quan)(quan)性考慮,目(mu)前(qian)普遍(bian)采用1C左右充放電(dian)能力(li)的(de)能量型(xing)電(dian)池(chi)(chi)。

  絕大多數儲(chu)能裝置(zhi)無(wu)需移動,因此儲(chu)能鋰電池對于能量密度并沒有(you)直(zhi)接的要(yao)求(qiu)。至于功率密度,不同的儲(chu)能場(chang)景有(you)不同的要(yao)求(qiu)。

  用(yong)于電(dian)(dian)力(li)調峰、離網型(xing)(xing)(xing)光(guang)伏儲(chu)(chu)能(neng)或用(yong)戶側的峰谷價差儲(chu)(chu)能(neng)場(chang)(chang)景,一(yi)般需(xu)要(yao)儲(chu)(chu)能(neng)電(dian)(dian)池(chi)連續充電(dian)(dian)或連續放電(dian)(dian)兩(liang)個小時以上,因此適合(he)(he)采用(yong)充放電(dian)(dian)倍率(lv)≤0.5C的容(rong)量型(xing)(xing)(xing)電(dian)(dian)池(chi);對于電(dian)(dian)力(li)調頻(pin)或平滑可(ke)再(zai)生能(neng)源波動(dong)的儲(chu)(chu)能(neng)場(chang)(chang)景,需(xu)要(yao)儲(chu)(chu)能(neng)電(dian)(dian)池(chi)在(zai)秒級(ji)至分(fen)鐘(zhong)級(ji)的時間段快速充放電(dian)(dian),所以適合(he)(he)≥2C功率(lv)型(xing)(xing)(xing)電(dian)(dian)池(chi)的應用(yong);而在(zai)一(yi)些同(tong)時需(xu)要(yao)承擔調頻(pin)和調峰的應用(yong)場(chang)(chang)景,能(neng)量型(xing)(xing)(xing)電(dian)(dian)池(chi)會更適合(he)(he)些,當(dang)然(ran),這種場(chang)(chang)景下也可(ke)以將功率(lv)型(xing)(xing)(xing)與容(rong)量型(xing)(xing)(xing)電(dian)(dian)池(chi)配合(he)(he)一(yi)起(qi)使用(yong)。

  相對于動力鋰(li)(li)電(dian)池(chi)而(er)言,儲(chu)能鋰(li)(li)電(dian)池(chi)對于使(shi)用壽(shou)(shou)命有更高的(de)要求(qiu)。新能源汽(qi)車的(de)壽(shou)(shou)命一(yi)般在5-8年,而(er)儲(chu)能項目(mu)的(de)壽(shou)(shou)命一(yi)般都希望大于10年。動力鋰(li)(li)電(dian)池(chi)的(de)循環次(ci)數壽(shou)(shou)命在1000-2000次(ci),而(er)儲(chu)能鋰(li)(li)電(dian)池(chi)的(de)循環次(ci)數壽(shou)(shou)命一(yi)般要求(qiu)能夠大于3500次(ci)。

  在成本(ben)(ben)方面,動(dong)力鋰(li)(li)電(dian)池面臨(lin)和傳(chuan)統(tong)燃油動(dong)力源的競爭(zheng),儲能(neng)鋰(li)(li)電(dian)池則(ze)需要面對傳(chuan)統(tong)調峰調頻技術(shu)的成本(ben)(ben)競爭(zheng)。另外(wai),儲能(neng)電(dian)站的規模基本(ben)(ben)上都是兆(zhao)瓦(wa)級(ji)別以上甚至(zhi)百兆(zhao)瓦(wa)的級(ji)別,因此(ci)儲能(neng)鋰(li)(li)電(dian)池的成本(ben)(ben)要求(qiu)比(bi)動(dong)力鋰(li)(li)電(dian)池的成本(ben)(ben)更低,安(an)全(quan)性也(ye)要求(qiu)更高。

  動力鋰(li)電池(chi)與儲能鋰(li)電池(chi)有一(yi)些(xie)區別(bie),但從電芯上(shang)看,都(dou)是一(yi)樣的,都(dou)可以采(cai)用磷酸鐵鋰(li)電池(chi)和(he)三元鋰(li)電池(chi),主(zhu)要差別(bie)在(zai)于BMS電池(chi)管理(li)系統,電池(chi)的功率響應(ying)速度和(he)功率特性(xing)、SOC估算精度,充放電特性(xing)等,都(dou)可以在(zai)BMS上(shang)去實現。

  煙臺某鋰(li)(li)電(dian)(dian)池有限公(gong)(gong)(gong)(gong)司(si),該公(gong)(gong)(gong)(gong)司(si)成(cheng)立(li)以來(lai),不斷(duan)追求創新,致力于打造性(xing)能(neng)優(you)越、品質(zhi)穩(wen)定(ding)的高(gao)端鋰(li)(li)電(dian)(dian)正極(ji)材(cai)(cai)料(liao)(liao)。目前已(yi)實現年產高(gao)性(xing)能(neng)磷酸鐵鋰(li)(li)6000噸(dun),三元材(cai)(cai)料(liao)(liao)3000噸(dun)的產能(neng)規模(mo),與國(guo)內眾多知名、電(dian)(dian)池廠家形成(cheng)戰略合作伙伴關系。產品已(yi)被廣泛運(yun)用(yong)于電(dian)(dian)動汽車(che)、儲能(neng)設備、通信基站等多個(ge)領(ling)域(yu)。該公(gong)(gong)(gong)(gong)司(si)需要磷酸鐵鋰(li)(li)粉碎機(ji)跟三元材(cai)(cai)料(liao)(liao)粉碎機(ji),經過多方考察我們埃爾派(pai)粉體(ti)科(ke)技有限公(gong)(gong)(gong)(gong)司(si)的CSM450-VD-C型機(ji)械式(shi)鋰(li)(li)電(dian)(dian)材(cai)(cai)料(liao)(liao)粉碎機(ji)符合該公(gong)(gong)(gong)(gong)司(si)的生產需求。成(cheng)為我公(gong)(gong)(gong)(gong)司(si)的優(you)質(zhi)客戶。

  新(xin)時代造就(jiu)新(xin)需求(qiu),隨(sui)著經濟增長由粗(cu)放型逐漸向集約環(huan)保型進行(xing)轉變(bian),各(ge)行(xing)業都面臨著無限機遇和(he)挑(tiao)戰。其中作(zuo)為工業粉(fen)體(ti)(ti)裝備制造企業典型代表的(de)埃爾派粉(fen)體(ti)(ti)科技,以新(xin)時代的(de)產物——環(huan)保型粉(fen)體(ti)(ti)裝備,助推(tui)各(ge)行(xing)各(ge)業轉型升級,在成就(jiu)合作(zuo)伙伴綠色發(fa)展(zhan)的(de)同(tong)時,彰顯(xian)了(le)自身的(de)價(jia)值。

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