Cellulose acetate nanofiber membranes were prepared by electrospinning,followed by deacetylation treatment,and Li1.4Al0.4Ti1.6(PO4)3 inorganic particles were introduced to modify the polyethylene oxide (PEO) electrolyte,which could improve ionic conductivity,lithium-ion migration number,and cycling stability of lithium-sulfur batteries.The results showed that the ionic conductivity of the cellulose nanofibers and LATP-modified PEO solid electrolyte reached 3.43×10-4S/cm at 60℃,and the lithium-ion migration number reached 0.44,which were higher than those of the unmodified PEO solid electrolyte.The modified PEO solid electrolyte exhibited an initial discharge-specific capacity of 844.13mAh/g at 60℃ and 0.1C,and achieved 50 cycles.
[1] 冯熙康,朱进朝,陈益奎,等.电动车与航天用锂离子蓄电池的进展[J].电源技术,1999(3):34-38.
[2] Hannan M A,Hoque M M,Hussain A,et al.State-of-the-art and energy management system of lithium-ion batteries in electric vehicle applications:issues and recommendations[J].Ieee Access,2018,6:19362-19378.
[3] Ma S,Jiang M,Tao P,et al.Temperature effect and thermal impact in lithium-ion batteries:a review[J].Progress in Natural Science:Materials International,2018,28(6):653-666.
[4] Wen J,Zhao D,Zhang C.An overview of electricity powered vehicles:lithium-ion battery energy storage density and energy conversion efficiency[J].Renewable Energy,2020,162:1629-1648.
[5] Mahlia T M I,Saktisahdan T J,Jannifar A,et al.A review of available methods and development on energy storage;technology update[J].Renewable and Sustainable Energy Reviews,2014,33:532-545.
[6] Kaiser M R,Han Z,Liang J,et al.Lithium sulfide-based cathode for lithium-ion/sulfur battery:recent progress and challenges[J].Energy Storage Materials,2019,19:1-15.
[7] Rana M,Ahad S A,Li M,et al.Review on areal capacities and long-term cycling performances of lithium sulfur battery at high sulfur loading[J].Energy Storage Materials,2019,18:289-310.
[8] Dehghani-Sanij A R,Tharumalingam E,Dusseault M B,et al.Study of energy storage systems and environmental challenges of batteries[J].Renewable and Sustainable Energy Reviews,2019,104:192-208.
[9] Di Lecce D,Marangon V,Benítez A,et al.High capacity semi-liquid lithium sulfur cells with enhanced reversibility for application in new-generation energy storage systems[J].Journal of Power Sources,2019,412:575-585.
[10] Fan L,Deng N,Yan J,et al.The recent research status quo and the prospect of electrolytes for lithium sulfur batteries[J].Chemical Engineering Journal,2019,369:874-897.
[11] Chen S,Wen K,Fan J,et al.Progress and future prospects of high-voltage and high-safety electrolytes in advanced lithium batteries:from liquid to solid electrolytes[J].Journal of Materials Chemistry A,2018,6(25):11631-11663.
[12] 刘汉奎,刘芹,贾维尚,等.PEO-PAN-PEO三明治结构新型固态聚合物电解质的研究[J].四川大学学报(自然科学版),2018,55(4):833-837.
[13] Ding P,Lin Z,Guo X,et al.Polymer electrolytes and interfaces in solid-state lithium metal batteries[J].Materials Today,2021,51:449-474.
[14] Mindemark J,Lacey M J,Bowden T,et al.Beyond PEO-alternative host materials for Li+-conducting solid polymer electrolytes[J].Progress in Polymer Science,2018,81:114-143.
[15] 段安阳,李柱泉,苏扬帆,等.纤维素纳米纤维膜的改性及其染料吸附性能[J].精细化工,2020,37(10):2002-2008.
[16] Yu X,Manthiram A.Electrode-electrolyte interfaces in lithium-sulfur batteries with liquid or inorganic solid electrolytes[J].Accounts of Chemical Research,2017,50(11):2653-2660.
[17] Davaasuren B,Tietz F.Impact of sintering temperature on phase formation,microstructure,crystallinity and ionic conductivity of Li1.5Al0.5Ti1.5(PO4)3[J].Solid State Ionics,2019,338:144-152.
[18] Chrissopoulou K,Andrikopoulos K S,Fotiadou S,et al.Crystallinity and chain conformation in PEO/layered silicate nanocomposites[J].Macromolecules,2011,44(24):9710-9722.
[19] Saito Y,Umecky T,Niwa J,et al.Existing condition and migration property of ions in lithium electrolytes with ionic liquid solvent[J].The Journal of Physical Chemistry B,2007,111(40):11794-11802.
[20] Shi X,Ma N,Wu Y,et al.Fabrication and electrochemical properties of LATP/PVDF composite electrolytes for rechargeable lithium-ion battery[J].Solid State Ionics,2018,325:112-119.
基金资助
江苏省重点研发计划(BE2017060、BE2016707)
PDF
