近日(ri),國聯研(yan)(yan)究院在(zai)鹵化物(wu)固態電解質材料(liao)開發及機理(li)研(yan)(yan)究方面(mian)取(qu)得顯(xian)著進(jin)展(zhan),部分研(yan)(yan)究成果(guo)以論文(wen)的形(xing)式“Superionic Fluorinated Halide Solid Electrolytes for Highly Stable Li-Metal in All-Solid-State Li Batteries”(DOI: 10.1002/aenm.202101915)發表(biao)在(zai)能(neng)源領域著名期(qi)刊(kan)上《Advanced Energy Materials》(IF=29.368)。

該(gai)技(ji)術(shu)(shu)科(ke)技(ji)成果是在有研(yan)(yan)(yan)集團科(ke)技(ji)創新(xin)基金(jin)的支(zhi)持下,由國聯研(yan)(yan)(yan)究院聯合有研(yan)(yan)(yan)稀(xi)土(tu)、有研(yan)(yan)(yan)工研(yan)(yan)(yan)院以(yi)及(ji)加拿大聯合實驗(yan)室等內外部創新(xin)資源開展(zhan)項目攻關(guan)共同(tong)完成的。創新(xin)團隊以(yi)Li3YBr6(LYB)鹵(lu)化(hua)物(wu)固態(tai)電(dian)(dian)解(jie)質(zhi)為基體進行F摻雜,制備研(yan)(yan)(yan)發(fa)(fa)出(chu)Li3YBr5.7F0.3固態(tai)電(dian)(dian)解(jie)質(zhi)材料,該(gai)固態(tai)電(dian)(dian)解(jie)質(zhi)材料通(tong)過(guo)與金(jin)屬鋰原位(wei)生成高濃(nong)度氟化(hua)物(wu)界面鈍化(hua)層,顯著提升了鋰金(jin)屬負(fu)極(ji)在全固態(tai)電(dian)(dian)池應(ying)用的循環(huan)穩定性,解(jie)決了鹵(lu)化(hua)物(wu)固態(tai)電(dian)(dian)解(jie)質(zhi)材料應(ying)用于金(jin)屬鋰負(fu)極(ji)固態(tai)電(dian)(dian)池的關(guan)鍵技(ji)術(shu)(shu)瓶(ping)頸,為推動新(xin)能源動力電(dian)(dian)池行業發(fa)(fa)展(zhan)高比(bi)能量(liang)全固態(tai)電(dian)(dian)池提供了新(xin)思(si)路。
全固(gu)態(tai)電(dian)(dian)池是目(mu)前行(xing)業公(gong)認有(you)望突破電(dian)(dian)化學儲能(neng)(neng)技(ji)(ji)(ji)術瓶頸(jing)、具有(you)未(wei)來(lai)應(ying)用前景(jing)的(de)新(xin)一(yi)代電(dian)(dian)池,固(gu)態(tai)電(dian)(dian)解(jie)質(zhi)作(zuo)為全固(gu)態(tai)電(dian)(dian)池應(ying)用的(de)核心技(ji)(ji)(ji)術和難點技(ji)(ji)(ji)術,是固(gu)態(tai)電(dian)(dian)池技(ji)(ji)(ji)術的(de)國際研究熱點之一(yi)。有(you)研集(ji)團(tuan)高度關注新(xin)能(neng)(neng)源領域(yu)原創(chuang)(chuang)技(ji)(ji)(ji)術研究性工作(zuo),設立科(ke)技(ji)(ji)(ji)創(chuang)(chuang)新(xin)基金發(fa)揮引導作(zuo)用,凝聚(ju)內(nei)部(bu)(bu)科(ke)技(ji)(ji)(ji)創(chuang)(chuang)新(xin)資(zi)源,開(kai)展協同技(ji)(ji)(ji)術攻關。本次技(ji)(ji)(ji)術科(ke)技(ji)(ji)(ji)成(cheng)(cheng)果的(de)取得(de),是集(ji)團(tuan)內(nei)部(bu)(bu)平臺公(gong)司與產業公(gong)司協同創(chuang)(chuang)新(xin)解(jie)決行(xing)業共性關鍵技(ji)(ji)(ji)術難題的(de)成(cheng)(cheng)功示范,是跨領域(yu)跨行(xing)業強(qiang)強(qiang)聯合發(fa)揮技(ji)(ji)(ji)術綜(zong)合優勢的(de)典型案例,也(ye)是項目(mu)承擔(dan)單位落實(shi)集(ji)團(tuan)第十次黨代會(hui)和科(ke)技(ji)(ji)(ji)創(chuang)(chuang)新(xin)大(da)會(hui)精神的(de)有(you)力體現,對(dui)推動(dong)集(ji)團(tuan)打造科(ke)技(ji)(ji)(ji)產業協同發(fa)展的(de)新(xin)局面發(fa)揮了(le)積(ji)極作(zuo)用。