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典型文献
A robust interphase via in-situ pre-reconfiguring lithium anode surface for long-term lithium-oxygen batteries
文献摘要:
Lithium-oxygen(Li-O2)battery is considered as one of the most promising alternatives because of its ultrahigh theoretical energy density.However,their cycling stability is severely restricted by the uncon-trollable dendrite growth and serious oxygen corrosion issue on Li surface.Herein,a sulfur-modified Li surface can be successfully constructed via chemical reaction of guanylthiourea(GTU)molecule on Li,which can induce the selectively fast decomposition of lithium bis(trifluoromethanesulfonyl)imide(LiTFSI)to form a smooth and stable inorganics-rich solid-electrolyte interphase(IR-SEI)during the sub-sequent electrochemical process.Such an IR-SEI cannot only offer a highly reversible and stable Li plat-ing/stripping chemistry with dendrite-free property(10 mA cm-2-10 mAh cm-2,>0.5 years;3 mA cm-2-3 mAh cm-2,>1 year)but also endows the Li metal an anti-oxygen corrosion function,thereby signifi-cantly improving the cycling stability of Li-O2 batteries.This work provides a new idea for constructing functional solid-electrolyte interphase(SEI)to achieve highly stable Li metal anode.
文献关键词:
作者姓名:
Pan Xu;Xiaodong Lin;Zongqiang Sun;Kaixuan Li;Wenjie Dou;Qing Hou;Zhiyou Zhou;Jiawei Yan;Mingsen Zheng;Ruming Yuan;Quanfeng Dong
作者机构:
Collaborative Innovation Centre of Chemistry for Energy Materials(iChEM),State Key Laboratory of Physical Chemistry of Solid Surfaces,Department of Chemistry,College of Chemistry and Chemical Engineering,Engineering Research Centre of Electrochemical Technologies of Ministry of Education,Xiamen University,Xiamen 361005,Fujian,China
文献出处:
引用格式:
[1]Pan Xu;Xiaodong Lin;Zongqiang Sun;Kaixuan Li;Wenjie Dou;Qing Hou;Zhiyou Zhou;Jiawei Yan;Mingsen Zheng;Ruming Yuan;Quanfeng Dong-.A robust interphase via in-situ pre-reconfiguring lithium anode surface for long-term lithium-oxygen batteries)[J].能源化学,2022(09):186-194
A类:
trollable,guanylthiourea,GTU
B类:
robust,interphase,via,situ,pre,reconfiguring,lithium,anode,surface,long,term,oxygen,batteries,Lithium,O2,battery,considered,one,most,promising,alternatives,because,its,ultrahigh,theoretical,energy,density,However,their,cycling,stability,severely,restricted,uncon,dendrite,growth,serious,corrosion,issue,Herein,sulfur,modified,successfully,constructed,reaction,molecule,which,induce,selectively,fast,decomposition,bis,trifluoromethanesulfonyl,imide,LiTFSI,form,smooth,stable,inorganics,rich,solid,electrolyte,SEI,during,sub,sequent,electrochemical,process,Such,cannot,only,offer,highly,reversible,plat,stripping,chemistry,free,property,mAh,years,but,also,endows,metal,anti,thereby,signifi,cantly,improving,This,work,provides,new,idea,constructing,functional,achieve
AB值:
0.617085
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