典型文献
Engineering electronic structures of titanium vacancies in Ti1-xO2 nanosheets enables enhanced Li-ion and Na-ion storage
文献摘要：
Up to now,three kinds of ion-storage mechanisms are summarized towards anode materials in lithium/sodium-ion batteries,but they have low capacity and poor cyclic performance.Therefore,it is necessary to develop a new approach to optimize ion storage.Herein,we report an adsorption/desorption storage route through engineering electronic structure of cation-deficient Ti1-xO2 nanosheets.Ti1-xO2 nanosheets indeed exhibit higher capacity(332.1 mA h g-1 vs.137.7 mA h g-1 for LIBs,195.7 mA h g-1 vs.111 mA h g-1 for SIBs),and more stable cyclic performance(296 mA h g-1 vs.99 mA h g-1 for LIBs,178.1 mA h g-1 vs.80.2 mA h g-1 for SIBs after 100 cycles)at 0.1 A g-1 than TiO2 nanosheets.Kinetics analysis and density functional theory(DFT)calculations reveal that electronic structures of vacancy within Ti1-xO2 nanosheets encourage a novel adsorption-desorption storage route.These results highlight the benefits of the engineered electronic structures within electrode material and implement novel ion-storage mechanism towards broad energy storage applications.
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作者姓名：
Huiqin Wang;Fengchu Zhang;Jing Xia;Fei Lu;Bo Zhou;Ding Yi;Xi Wang
作者机构：
Key Laboratory of Luminescence and Optical Information,Ministry of Education,Department of Physics,School of Science,Beijing Jiaotong University,Beijing,100044,China;Institute of Molecular Plus,Tianjin University,Tianjin,300072,China;Chemistry and Chemical Engineering Guangdong Laboratory,Shantou,515031,China
文献出处：
引用格式：
[1]Huiqin Wang;Fengchu Zhang;Jing Xia;Fei Lu;Bo Zhou;Ding Yi;Xi Wang-.Engineering electronic structures of titanium vacancies in Ti1-xO2 nanosheets enables enhanced Li-ion and Na-ion storage)[J].绿色能源与环境（英文）,2022(04):734-741
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Engineering,electronic,structures,titanium,vacancies,Ti1,xO2,nanosheets,enables,enhanced,Li,Na,storage,Up,now,three,kinds,mechanisms,are,summarized,towards,anode,materials,lithium,sodium,batteries,but,they,have,low,capacity,poor,cyclic,performance,Therefore,necessary,develop,new,approach,optimize,Herein,we,report,adsorption,desorption,route,through,engineering,deficient,indeed,exhibit,higher,mA,LIBs,SIBs,more,stable,after,cycles,than,TiO2,Kinetics,analysis,density,functional,theory,DFT,calculations,reveal,that,vacancy,within,encourage,novel,These,results,highlight,benefits,engineered,electrode,implement,broad,energy,applications
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0.557511
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