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典型文献
Electrochemical reaction mechanism of porous Zn2Ti3O8 as a high-performance pseudocapacitive anode for Li-ion batteries
文献摘要:
Zn2Ti3O8,as a new type of anode material for lithium-ion batteries,is attracting enormous attention because of its low cost and excellent safety.Though decent capacities have been reported,the electro-chemical reaction mechanism of Zn2Ti3O8 has rarely been studied.In this work,a porous Zn2Ti3O8 anode with considerably high capacity(421 mAh/g at 100 mA/g and 209 mAh/g at 5000 mA/g after 1500 cy-cles)was reported,which is even higher than ever reported titanium-based anodes materials including Li4Ti5O12,TiO2 and Li2ZnTi3O8.Here,for the first time,the accurate theoretical capacity of Zn2Ti3O8 was confirmed to be 266.4 mAh/g.It was also found that both intercalation reaction and pseudocapacitance contribute to the actual capacity of Zn2Ti3O8,making it possibly higher than the theoretical value.Most importantly,the porous structure of Zn2Ti3O8 not only promotes the intercalation reaction,but also in-duces high pseudocapacitance capacity(225.4 mAh/g),which boosts the reversible capacity.Therefore,it is the outstanding pseudocapacitance capacity of porous Zn2Ti3O8 that accounts for high actual capacity exceeding the theoretical one.This work elucidates the superiorities of porous structure and provides an example in designing high-performance electrodes for lithium-ion batteries.
文献关键词:
作者姓名:
Weijie Cheng;Qi Feng;Zhanglin Guo;Guanjun Chen;Yong Wang;Lixiong Yin;Jiayin Li;Xingang Kong
作者机构:
School of Materials Science and Engineering,Shaanxi University of Science and Technology,Xi'an 710021,China;Department of Advanced Materials Science,Faculty of Engineering,Kagawa University,2217-20 Hayashi-cho,Takamatsu-shi 761-0396,Japan;Graduate School of Engineering,Toin University of Yokohama,Kanagawa 225-8503,Japan
引用格式:
[1]Weijie Cheng;Qi Feng;Zhanglin Guo;Guanjun Chen;Yong Wang;Lixiong Yin;Jiayin Li;Xingang Kong-.Electrochemical reaction mechanism of porous Zn2Ti3O8 as a high-performance pseudocapacitive anode for Li-ion batteries)[J].中国化学快报(英文版),2022(11):4776-4780
A类:
Zn2Ti3O8
B类:
Electrochemical,reaction,mechanism,porous,performance,pseudocapacitive,batteries,new,type,lithium,attracting,enormous,attention,because,its,low,cost,excellent,safety,Though,decent,capacities,have,been,reported,has,rarely,studied,In,this,work,considerably,capacity,mAh,after,cy,cles,was,which,even,higher,than,titanium,anodes,materials,including,Li4Ti5O12,TiO2,Li2ZnTi3O8,Here,first,accurate,theoretical,confirmed,It,also,found,that,both,intercalation,pseudocapacitance,contribute,actual,making,possibly,value,Most,importantly,structure,not,only,promotes,duces,boosts,reversible,Therefore,outstanding,accounts,exceeding,one,This,elucidates,superiorities,provides,example,designing,electrodes
AB值:
0.482495
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