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中國(guó)研發(fā)超低溫鋰電池,或?qū)⒕徑舛祀姵乩m(xù)航問題 ?

2022-06-20

中國(guó)研發(fā)超低溫鋰電池,或?qū)⒕徑舛祀姵乩m(xù)航問題


無論是智能手機(jī),還是電動(dòng)汽車,遇到低溫環(huán)境,其內(nèi)置的鋰電池性能會(huì)急劇下降,具體表現(xiàn)就是續(xù)航肉眼可見地變差。主要的原因在于,低溫環(huán)境下,電池的陽極電子“活性”會(huì)被大大削弱,保留較少的電荷并迅速耗盡,導(dǎo)致電量消耗很快。

為了提高鋰電池在極端寒冷環(huán)境下的工作性能,該科學(xué)團(tuán)隊(duì)將電池中的傳統(tǒng)石墨陽極,替換為一種全新的材料。經(jīng)測(cè)試后發(fā)現(xiàn),改良后的鋰電池在零下20攝氏度的條件下表現(xiàn)出了優(yōu)秀的充放電性能。溫度略低于冰點(diǎn)時(shí),電池容量也能保持在常溫狀態(tài)下的85%左右。即便是在零下35度時(shí),電池也可以正常充電。

根據(jù)山木新能源相關(guān)人員表示:如果此項(xiàng)技術(shù)實(shí)現(xiàn)商業(yè)化并進(jìn)行量產(chǎn),有助于緩解鋰電池在低溫極寒環(huán)境下續(xù)航問題,特別是在北歐以及我國(guó)北方地區(qū),利于新能源鋰電池推廣步伐,同時(shí),我司已經(jīng)組織相關(guān)技術(shù)研發(fā)團(tuán)隊(duì),在此項(xiàng)技術(shù)上再進(jìn)行深度研發(fā),爭(zhēng)取早日實(shí)現(xiàn)量產(chǎn)和應(yīng)用


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