LiFSI：鋰電材(cai)料市場的新風口
作(zuo)者：劉冰逸 來源：中國化(hua)工報(bao) 2023年04月(yue)06日
中化新(xin)(xin)網訊 “雙氟磺酰亞胺鋰(li)(LiFSI)性(xing)能優(you)異，是(shi)新(xin)(xin)一(yi)代溶質鋰(li)鹽的(de)最佳選擇。”這是(shi)在2023(第十九(jiu)屆)中國(guo)碳酸酯產業鏈創新(xin)(xin)發展年會暨(ji)鋰(li)電新(xin)(xin)材(cai)料(liao)產業高峰論壇上傳(chuan)出的(de)信息。
據介紹(shao)，溶質鋰(li)(li)(li)(li)(li)鹽(yan)(yan)的(de)(de)選擇在很大程度(du)(du)(du)上決定著鋰(li)(li)(li)(li)(li)電(dian)(dian)(dian)池的(de)(de)容量、工作溫度(du)(du)(du)、循環(huan)性能(neng)、功率(lv)密(mi)度(du)(du)(du)、能(neng)量密(mi)度(du)(du)(du)及安(an)全性等。“鋰(li)(li)(li)(li)(li)鹽(yan)(yan)在電(dian)(dian)(dian)解液成(cheng)本(ben)中的(de)(de)占(zhan)比(bi)超過六成(cheng)，因此相關企(qi)業(ye)會比(bi)較看重鋰(li)(li)(li)(li)(li)鹽(yan)(yan)成(cheng)本(ben)的(de)(de)高(gao)低(di)。”中信(xin)證(zheng)券能(neng)源化工行業(ye)分析師劉暢博(bo)士指出，目前市場份(fen)額占(zhan)比(bi)最多的(de)(de)鋰(li)(li)(li)(li)(li)鹽(yan)(yan)是(shi)六氟磷酸鋰(li)(li)(li)(li)(li)(LiPF?)，由該(gai)鋰(li)(li)(li)(li)(li)鹽(yan)(yan)構成(cheng)的(de)(de)電(dian)(dian)(dian)解液對(dui)水分和溫度(du)(du)(du)變化較為敏(min)感(gan)，存在一(yi)定的(de)(de)安(an)全風險，且(qie)在0℃環(huan)境中離子(zi)導電(dian)(dian)(dian)率(lv)僅(jin)為常(chang)溫環(huan)境的(de)(de)50%，這導致鋰(li)(li)(li)(li)(li)電(dian)(dian)(dian)池在低(di)溫環(huan)境中電(dian)(dian)(dian)池效率(lv)嚴重不足。
“在此情形(xing)下(xia)，新型鋰(li)鹽——LiFSI因其優(you)于LiPF?的性能(neng)(neng)受到關注。”劉暢(chang)說，LiFSI不僅能(neng)(neng)在電(dian)池(chi)中形(xing)成更(geng)薄、更(geng)均(jun)勻的固體電(dian)解質界(jie)面膜，還能(neng)(neng)有(you)效減(jian)小(xiao)枝晶對電(dian)池(chi)結構的破(po)壞從而提(ti)升(sheng)穩(wen)定(ding)性。預(yu)計(ji)到2025年，LiFSI的需求量將(jiang)達(da)到10.3萬(wan)噸/年，市場(chang)滲透(tou)率將(jiang)達(da)30%，市場(chang)規模有(you)望達(da)到300億元(yuan)。
從供(gong)(gong)應(ying)端來看，全(quan)球企業正在加碼布局LiFSI項目以應(ying)對(dui)需求的爆發。預計到2025年(nian)，全(quan)球LiFSI規(gui)劃產能(neng)將(jiang)達(da)到16.4萬噸/年(nian)，為2022年(nian)的9倍，其中有98%的規(gui)劃新(xin)增產能(neng)來自(zi)中國。具備技術和成本優勢的頭部供(gong)(gong)應(ying)商如天賜材料、新(xin)宙邦、多氟多等將(jiang)進一(yi)步擴大(da)LiFSI產能(neng)，以提升市場占有率(lv)。
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相(xiang)關標簽：LiFSI：鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)市場的(de)新風口。鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)儲(chu)(chu)罐(guan)(guan)(guan)(guan)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)鋼(gang)襯塑(su)儲(chu)(chu)罐(guan)(guan)(guan)(guan)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)鋼(gang)襯四氟儲(chu)(chu)罐(guan)(guan)(guan)(guan)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)鋼(gang)塑(su)復合儲(chu)(chu)罐(guan)(guan)(guan)(guan)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)鋼(gang)襯PO儲(chu)(chu)罐(guan)(guan)(guan)(guan)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)鋼(gang)襯PTFE儲(chu)(chu)罐(guan)(guan)(guan)(guan)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)鋼(gang)襯聚乙烯(xi)儲(chu)(chu)罐(guan)(guan)(guan)(guan)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)鋼(gang)襯PE儲(chu)(chu)罐(guan)(guan)(guan)(guan)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)聚乙烯(xi)儲(chu)(chu)罐(guan)(guan)(guan)(guan)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)塑(su)料(liao)(liao)(liao)(liao)(liao)儲(chu)(chu)罐(guan)(guan)(guan)(guan)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)PE儲(chu)(chu)罐(guan)(guan)(guan)(guan)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)化工儲(chu)(chu)罐(guan)(guan)(guan)(guan)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)防腐(fu)儲(chu)(chu)罐(guan)(guan)(guan)(guan)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)不(bu)銹鋼(gang)儲(chu)(chu)罐(guan)(guan)(guan)(guan)襯塑(su)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)鋼(gang)襯塑(su)攪拌(ban)罐(guan)(guan)(guan)(guan)，鋰(li)(li)電(dian)(dian)(dian)(dian)(dian)材(cai)(cai)(cai)(cai)(cai)(cai)(cai)料(liao)(liao)(liao)(liao)(liao)鋼(gang)襯塑(su)防腐(fu)設備，
