典型文献
Self-assembled,highly-lithiophilic and well-aligned biomass engineered MXene paper enables dendrite-free lithium metal anode in carbonate-based electrolyte
文献摘要：
Lithium metal anode is the ideal candidate for high-energy-density rechargeable batteries.However,uncontrolled dendrite growth hampers its commercialization.Herein,a dendrite-free composite Li metal anode is realized by a flexible,freestanding,well-aligned and highly-lithiophilic MXene paper designed by a facile electrostatic self-assembly of the exfoliated MXene nanosheets and natural polysaccharide-chitosan(MX@CS)).The MX@CS paper gets a well-aligned layered-3D structure with a micro-crumpled surface that can effectively decrease the local current density,guide even Li plating and suppress den-dritic Li growth.More importantly,surface-adsorbed chitosan endows enhanced lithiophilicity for MXene substrate and thus reduces the Li nucleation overpotential,which is confirmed by the density functional theory calculations.Abundant lithiophilic groups on MX@CS surface provide high-concentration Li+anchoring site promoting Li nucleation and laterally inducing uniform Li deposition,which effectively avoids the formation of dendritic Li.As a result,the MX@CS-Li anode with a dendrite-free Li morphology shows a significantly improved cycling life in commercial carbonate-based electrolyte.When coupled with LiNi0.8Co0.1Mn0.1O2 cathode,the full cell exhibits a low capacity decay and steady ultrahigh Coulombic efficiency of 99.6％at a current density of 5C.These findings develop a new approach for designing high-performance metal-based rechargeable batteries.
文献关键词：
中图分类号：
作者姓名：
Liwen Tan;Chuanliang Wei;Yuchan Zhang;Shenglin Xiong;Hui Li;Jinkui Feng
作者机构：
Key Laboratory for Liquid-Solid Structural Evolution&Processing of Materials(Ministry of Education),Research Center for Carbon Nanomaterials,School of Materials Science and Engineering,Shandong University,Jinan 250061,Shandong,China;School of Chemistry and Chemical Engineering,Shandong University,Jinan 250061,Shandong,China;Key Laboratory for Liquid-Solid Structural Evolution&Processing of Materials(Ministry of Education),Shandong University,Jinan 250061,Shandong,China
文献出处：
引用格式：
[1]Liwen Tan;Chuanliang Wei;Yuchan Zhang;Shenglin Xiong;Hui Li;Jinkui Feng-.Self-assembled,highly-lithiophilic and well-aligned biomass engineered MXene paper enables dendrite-free lithium metal anode in carbonate-based electrolyte)[J].能源化学,2022(06):221-230
A类：
crumpled,lithiophilicity,Li+anchoring
B类：
Self,assembled,highly,well,aligned,biomass,engineered,MXene,paper,enables,dendrite,lithium,metal,anode,carbonate,electrolyte,Lithium,is,ideal,candidate,energy,density,rechargeable,batteries,However,uncontrolled,growth,hampers,commercialization,Herein,composite,realized,by,flexible,freestanding,designed,facile,electrostatic,self,assembly,exfoliated,nanosheets,natural,polysaccharide,chitosan,CS,gets,layered,structure,micro,surface,that,effectively,decrease,local,current,guide,even,plating,suppress,More,importantly,adsorbed,endows,enhanced,substrate,thus,reduces,nucleation,overpotential,which,confirmed,functional,theory,calculations,Abundant,groups,provide,concentration,promoting,laterally,inducing,uniform,deposition,avoids,formation,dendritic,result,morphology,shows,significantly,improved,cycling,life,When,coupled,LiNi0,8Co0,1Mn0,1O2,cathode,full,cell,exhibits,low,capacity,decay,steady,ultrahigh,Coulombic,efficiency,5C,These,findings,develop,new,approach,designing,performance
AB值：
0.577343
相似文献
机标中图分类号，由域田数据科技根据网络公开资料自动分析生成，仅供学习研究参考。
