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石墨烯鋰電池技術再獲得突破

有媒體報道說,一款名為“烯王”的石墨烯鋰電池產品在北京發布,報道稱“該產品的落地,敞開了石墨烯在能源范疇的運用年代,證明了碳源匯谷石墨烯制備以及石墨烯包覆鋰電池正負極材料兩大核心技能的成功,徹底打開了石墨烯在消費電子鋰電池、動力鋰電池以及儲能范疇鋰電池的運用空間”。

石墨烯鋰電池

  石墨烯(xi)鋰(li)電(dian)(dian)池是被媒體重復(fu)炒(chao)作的一個新(xin)概念,在(zai)股市中掀起一個又一個的炒(chao)作風波(bo),牽動了許多(duo)人(ren)的神經,也牽動了許多(duo)企業的利(li)益。全世界有關科(ke)技精英都(dou)在(zai)研(yan)(yan)討、探究石墨烯(xi)的運(yun)用(yong),科(ke)技成果(guo)和專利(li)技能不(bu)斷呈現,特別(bie)是在(zai)鋰(li)電(dian)(dian)池的運(yun)用(yong)上,虛的多(duo),實(shi)的少,至今未見一款(kuan)產品在(zai)商(shang)場上出(chu)售。至少到(dao)目(mu)前為止,上述石墨烯(xi)技術(shu)產品的突(tu)破,讓咱們可(ke)以(yi)親眼看到(dao)石墨烯(xi)運(yun)用(yong)到(dao)鋰(li)電(dian)(dian)池中的一個實(shi)在(zai)的產品。期望讓咱們看到(dao)的石墨烯(xi)鋰(li)電(dian)(dian)池不(bu)是一個為了證明科(ke)研(yan)(yan)成果(guo)的樣品,而是一個可(ke)以(yi)很快上市的震懾全世界的高科(ke)技產品。

  從(cong)發(fa)布產品(pin)(pin)的(de)(de)圖(tu)片(pian)上(shang)(shang)(shang),可以看出,新產品(pin)(pin)便是一(yi)(yi)款電(dian)(dian)源產品(pin)(pin),體(ti)積與(yu)一(yi)(yi)般(ban)鋰(li)電(dian)(dian)池(chi)充電(dian)(dian)寶(bao)(bao)(4800mAh)相當(dang),在(zai)商(shang)場上(shang)(shang)(shang)便攜式的(de)(de)充電(dian)(dian)寶(bao)(bao)產品(pin)(pin)有許多款,容量為4800 mAh的(de)(de)充電(dian)(dian)寶(bao)(bao)應該是比較小的(de)(de)那一(yi)(yi)種。一(yi)(yi)個(ge)電(dian)(dian)源產品(pin)(pin)怎么(me)能(neng)看出在(zai)電(dian)(dian)動轎車上(shang)(shang)(shang)運用的(de)(de)遠(yuan)景(jing)呢(ni)?假如(ru)該產品(pin)(pin)是與(yu)一(yi)(yi)般(ban)鋰(li)電(dian)(dian)池(chi)電(dian)(dian)源產品(pin)(pin)一(yi)(yi)樣(yang),選用兩(liang)節容量為2400mAh的(de)(de)18650電(dian)(dian)池(chi)(暫時只能(neng)這樣(yang)推測),那么(me)它的(de)(de)批量出產應該很(hen)簡單完(wan)成,產品(pin)(pin)成組后用在(zai)電(dian)(dian)動轎車上(shang)(shang)(shang)是沒有什(shen)么(me)大(da)問題。

  咱們知(zhi)道,對于(yu)2400mAh的(de)(de)(de)18650電(dian)(dian)池來說,它的(de)(de)(de)體積容(rong)量(liang)密度,可以到達(da)每升(sheng)500瓦時以上(shang),分(fen)量(liang)容(rong)量(liang)密度可以到達(da)每公斤180瓦時以上(shang),與(yu)特(te)斯(si)拉高(gao)端電(dian)(dian)動轎車(che)(che)產品(pin)運(yun)用的(de)(de)(de)松(song)下電(dian)(dian)器容(rong)量(liang)為(wei)3100mAh的(de)(de)(de)18650電(dian)(dian)池比(bi)較,容(rong)量(liang)上(shang)稍微(wei)低了一些,可是(shi)(shi)其他三項方針(zhen)遠遠超過,與(yu)比(bi)亞(ya)迪電(dian)(dian)動轎車(che)(che)運(yun)用的(de)(de)(de)磷酸鐵鋰電(dian)(dian)池比(bi)較,單(dan)位分(fen)量(liang)能量(liang)密度高(gao)了一些,當然(ran)單(dan)個電(dian)(dian)池成(cheng)組后是(shi)(shi)否(fou)能到達(da)現(xian)在(zai)這個樣還不(bu)知(zhi)道。別(bie)的(de)(de)(de)這個電(dian)(dian)源產品(pin)的(de)(de)(de)成(cheng)本是(shi)(shi)否(fou)能做到現(xian)有充電(dian)(dian)寶那樣,上(shang)市(shi)時刻不(bu)清(qing)(qing)楚,價(jia)格也是(shi)(shi)一個未知(zhi)數。假如不(bu)是(shi)(shi)兩節(jie)18650電(dian)(dian)池標準封裝(zhuang)模式(shi),怎樣運(yun)用到電(dian)(dian)動轎車(che)(che)上(shang),各項電(dian)(dian)池方針(zhen)不(bu)清(qing)(qing)楚,現(xian)在(zai)就無法去談論。總之該(gai)電(dian)(dian)池趕快量(liang)產、上(shang)市(shi)才(cai)(cai)是(shi)(shi)關鍵,好東西經得起(qi)商場的(de)(de)(de)檢驗(yan)才(cai)(cai)干成(cheng)為(wei)企業和消費者(zhe)的(de)(de)(de)福音。

  據報道,烯(xi)王(wang)鋰電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)產品(pin)與一(yi)般電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)比(bi)較不僅可(ke)在(zai)滿足5C條件下(xia),完成15分(fen)(fen)(fen)鐘(zhong)內快速(su)充(chong)(chong)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),并且該石墨烯(xi)鋰電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)可(ke)在(zai)-30~80℃環境(jing)下(xia)作業,循環壽數更高(gao)達(da)3500次左(zuo)右。通過(guo)發(fa)布(bu)(bu)會現(xian)場測(ce)驗(yan),“烯(xi)王(wang)”充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)用時15分(fen)(fen)(fen)鐘(zhong),是(shi)(shi)(shi)一(yi)般充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)產品(pin)的(de)(de)1/24。烯(xi)王(wang)產品(pin)的(de)(de)三項(xiang)方針的(de)(de)確是(shi)(shi)(shi)當(dang)(dang)時電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)轎(jiao)車(che)(che)急需(xu)處理的(de)(de)重要(yao)方針,在(zai)發(fa)布(bu)(bu)會上進(jin)行(xing)現(xian)場測(ce)驗(yan)的(de)(de)只(zhi)能是(shi)(shi)(shi)快充(chong)(chong),那個高(gao)低溫環境(jing)充(chong)(chong)放(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容量(liang)情況(kuang)和循環壽數3500次在(zai)現(xian)場是(shi)(shi)(shi)無法(fa)演示(shi)的(de)(de),快充(chong)(chong)作用的(de)(de)確令人信服,要(yao)知道咱(zan)們手機移(yi)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源上運用的(de)(de)2A充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時都是(shi)(shi)(shi)發(fa)熱很厲害的(de)(de),這(zhe)(zhe)個4800毫安時的(de)(de)鋰電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源產品(pin),用到(dao)(dao)(dao)5C進(jin)行(xing)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流到(dao)(dao)(dao)達(da)20多(duo)個安培,至少沒(mei)有(you)看到(dao)(dao)(dao)呈現(xian)高(gao)溫熱到(dao)(dao)(dao)什么程(cheng)度。嚴格的(de)(de)說,15分(fen)(fen)(fen)鐘(zhong)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)僅僅做(zuo)到(dao)(dao)(dao)了4C條件,5C應(ying)(ying)該是(shi)(shi)(shi)12分(fen)(fen)(fen)鐘(zhong)。10C應(ying)(ying)該到(dao)(dao)(dao)達(da)6分(fen)(fen)(fen)鐘(zhong)。對(dui)于電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)(dong)轎(jiao)車(che)(che)來說,追求(qiu)6分(fen)(fen)(fen)鐘(zhong)充(chong)(chong)滿電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)實在(zai)是(shi)(shi)(shi)一(yi)個誤導,為(wei)什么非要(yao)跟燃油(you)轎(jiao)車(che)(che)比(bi)加油(you)時刻。假如到(dao)(dao)(dao)了泊車(che)(che)即可(ke)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)時分(fen)(fen)(fen),你認為(wei)還有(you)必要(yao)和燃油(you)轎(jiao)車(che)(che)比(bi)加油(you)時刻嗎(ma)?當(dang)(dang)然出租車(che)(che)和公交車(che)(che)那是(shi)(shi)(shi)要(yao)求(qiu)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)時刻越短越好(hao),讓顧客(ke)等(deng)你充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)半小時,沒(mei)有(you)人樂意等(deng),這(zhe)(zhe)是(shi)(shi)(shi)一(yi)種例外。

  比較電動轎車鋰電池的快充,人們對石墨烯給鋰電池能帶來容量密度增加的期望值更高。2015年一篇西班牙石墨烯超級電池研制成功的報道,宣稱8分鐘充滿電,可以讓電動轎車行使1000公里,其能量密度高達每公斤五六百瓦時,至今也未見到該產品的真面目。別說8分鐘,便是再多一些時刻充滿電能行使1000公里也好啊!中國人比較務實,咱們國家十三五規劃到2020年鋰電池的能量密度期望到達大于每公斤300瓦時,電池成本期望低于每瓦時0.6元。從國內聞名鋰電池企業現已公開的數據來看,這樣的方針是可以完成的。現在能看到一次充電行使400公里的電動轎車,到那時就可以看到一次充電行使800公里的電動轎車了。

  石(shi)墨(mo)烯(xi)鋰電(dian)(dian)(dian)池超長(chang)的(de)循(xun)環壽數給(gei)電(dian)(dian)(dian)動(dong)(dong)(dong)轎(jiao)車(che)(che)的(de)儲能運(yun)用也帶來(lai)了期望,假如(ru)在30分鐘充滿(man)電(dian)(dian)(dian),其循(xun)環壽數還會大(da)于3500次。真的(de)期望能趕(gan)快用在電(dian)(dian)(dian)動(dong)(dong)(dong)轎(jiao)車(che)(che)上,讓(rang)帶有儲能功用的(de)電(dian)(dian)(dian)動(dong)(dong)(dong)轎(jiao)車(che)(che)跑遍祖國大(da)地,讓(rang)咱們運(yun)用電(dian)(dian)(dian)動(dong)(dong)(dong)轎(jiao)車(che)(che)的(de)成本越來(lai)越低,讓(rang)電(dian)(dian)(dian)動(dong)(dong)(dong)轎(jiao)車(che)(che)更加遍及,讓(rang)泊車(che)(che)充電(dian)(dian)(dian)隨時隨地更加方便,讓(rang)移動(dong)(dong)(dong)電(dian)(dian)(dian)站、儲能功用成為(wei)電(dian)(dian)(dian)動(dong)(dong)(dong)轎(jiao)車(che)(che)的(de)標準裝備,讓(rang)充電(dian)(dian)(dian)和存電(dian)(dian)(dian)成為(wei)電(dian)(dian)(dian)動(dong)(dong)(dong)轎(jiao)車(che)(che)和電(dian)(dian)(dian)網以自動(dong)(dong)(dong)化、智能化、無(wu)人(ren)化的(de)方法自主去和諧處理,這(zhe)正是從石(shi)墨(mo)烯(xi)鋰電(dian)(dian)(dian)池產品的(de)超高循(xun)環壽數的(de)功用上,咱們最(zui)期望看(kan)到的(de)運(yun)用遠(yuan)景(jing)。

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