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典型文献
A cation-dipole-reinforced elastic polymer electrolyte enabling long-cycling quasi-solid-state lithium metal batteries
文献摘要:
The application of ionic liquids(IL)in polymer electrolytes represents a safer alternative to the currently used organic solvents in lithium batteries due to their nonflammability and thermal stability.However,as a plasticizer,it is generally agreed that the introduction of ionic liquid usually leads to a trade-off between ion transport and mechanical properties of polymer electrolyte.Here we report the synthesis of an IL-embedded polymer electrolyte with both high ionic conductivity(2.77×10-4 S cm-1 at room temperature)and excellent mechanical properties(high tensile strength up to 11.4 MPa and excellent stretchability of 387%elongation at break)achieved by strong ion-dipole interactions between polymer electrolyte components,which was unveiled by the DFT calculation.Moreover,this polymer electrolyte also exhibits nonflammability,good thermal stability and the ability to recover reversibly from applied stress,i.e.,excellent elasticity.This highly viscoelastic polymer electrolyte enables tight interfacial con-tact and good adaptability with electrodes for stable lithium stripping/plating for 2000 h under a current density of 0.1 mA cm-2.By coupling with this polymer electrolyte,the LiFePO4/Li cells exhibit outstand-ing cycling stability at room temperature as well as the reliability under extreme environmental temper-ature or being abused.
文献关键词:
作者姓名:
Zhuyi Wang;Yiming Wang;Pan Zhai;Preeyaporn Poldorn;Siriporn Jungsuttiwong;Shuai Yuan
作者机构:
Research Centre of Nanoscience and Nanotechnology,Shanghai University,Shanghai 200444,China;Center for Organic Electronic and Alternative Energy,Department of Chemistry and Center of Excellence for Innovation in Chemistry,Faculty of Science,Ubon Ratchathani University,Ubon Ratchathani 34190,Thailand
文献出处:
引用格式:
[1]Zhuyi Wang;Yiming Wang;Pan Zhai;Preeyaporn Poldorn;Siriporn Jungsuttiwong;Shuai Yuan-.A cation-dipole-reinforced elastic polymer electrolyte enabling long-cycling quasi-solid-state lithium metal batteries)[J].能源化学,2022(12):340-348
A类:
abused
B类:
dipole,reinforced,polymer,enabling,cycling,quasi,solid,state,lithium,metal,batteries,application,ionic,liquids,electrolytes,represents,safer,alternative,currently,organic,solvents,due,their,nonflammability,thermal,stability,However,plasticizer,generally,agreed,that,introduction,usually,leads,trade,off,between,transport,mechanical,properties,Here,report,synthesis,embedded,both,conductivity,room,temperature,excellent,tensile,strength,stretchability,elongation,break,achieved,by,strong,interactions,components,which,was,unveiled,DFT,calculation,Moreover,this,also,exhibits,good,recover,reversibly,from,applied,stress,elasticity,This,highly,viscoelastic,enables,tight,interfacial,tact,adaptability,electrodes,stable,stripping,plating,under,density,mA,By,coupling,LiFePO4,cells,outstand,well,reliability,extreme,environmental,being
AB值:
0.561374
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