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Mixed-Surfactant-Assisted Synthesis of Dual-Phase Li4Ti5O12-TiO2 Hierarchical Microspheres as High-Performance Anode Materials for Li-Ion Batteries

文献类型：期刊论文

作者Li, Da1,2; Zhao, Wei1; Cao, Lei1; Gao, Yiying1; Liu, Yahui1; Wang, Weijing1; Qi, Tao1
刊名CHEMSUSCHEM
出版日期2019-09-20
页码10
关键词batteries electrochemistry microspheres surfactants titanium
ISSN号1864-5631
DOI10.1002/cssc.201901896
英文摘要A mixed-surfactant-assisted method was developed to synthesize dual-phase Li4Ti5O12-TiO2 hierarchical microspheres. The ratio of anionic/cationic surfactant could regulate the primary structure morphology and the dual-phase ratio of the final product, in which the primary structure morphology could be stacked nanosheets, small nanoparticles, or large nanoparticles. The sample with a primary structure morphology of small nanoparticles had the highest specific surface area of 79.38 m(2) g(-1) and the best electrochemical performance because of its high Li+ migration rate, low polarization, and appropriate TiO2 content. Its capacity reached 153.5 mA h g(-1) at a current rate of 40 C, and it retained nearly 100 % of its capacity after 100 cycles. A self-assembly mechanism of the mixed surfactant was highlighted to explain the formation of hierarchical microspheres. The physical and electrochemical properties of obtained material were correlated effectively.
WOS关键词RUTILE TIO2 ; LITHIUM ; NANOSHEETS ; COMPOSITES ; INTERCALATION ; STORAGE ; ARRAYS
资助项目Major Science and Technology Program for Water Pollution Control and Treatment[2017ZX07402001] ; Key Research Program of Frontier Sciences of Chinese Academy of Sciences[QYZDJ-SSW-JSC021] ; Science and Technology Cooperation Project between Yunnan province[2016IB002] ; National Key Technologies RD Program[2014BAC03B01] ; CAS Interdisciplinary Innovation Team
WOS研究方向Chemistry ; Science & Technology - Other Topics
语种英语
WOS记录号WOS:000487443100001
出版者WILEY-V C H VERLAG GMBH
资助机构Major Science and Technology Program for Water Pollution Control and Treatment ; Key Research Program of Frontier Sciences of Chinese Academy of Sciences ; Science and Technology Cooperation Project between Yunnan province ; National Key Technologies RD Program ; CAS Interdisciplinary Innovation Team
源URL[http://ir.ipe.ac.cn/handle/122111/30997]  
专题中国科学院过程工程研究所
通讯作者Zhao, Wei; Qi, Tao
作者单位1.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Li, Da,Zhao, Wei,Cao, Lei,et al. Mixed-Surfactant-Assisted Synthesis of Dual-Phase Li4Ti5O12-TiO2 Hierarchical Microspheres as High-Performance Anode Materials for Li-Ion Batteries[J]. CHEMSUSCHEM,2019:10.
APA Li, Da.,Zhao, Wei.,Cao, Lei.,Gao, Yiying.,Liu, Yahui.,...&Qi, Tao.(2019).Mixed-Surfactant-Assisted Synthesis of Dual-Phase Li4Ti5O12-TiO2 Hierarchical Microspheres as High-Performance Anode Materials for Li-Ion Batteries.CHEMSUSCHEM,10.
MLA Li, Da,et al."Mixed-Surfactant-Assisted Synthesis of Dual-Phase Li4Ti5O12-TiO2 Hierarchical Microspheres as High-Performance Anode Materials for Li-Ion Batteries".CHEMSUSCHEM (2019):10.

入库方式： OAI收割

来源：过程工程研究所

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