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Controllable synthesis of mesostructures from TiO2 hollow to porous nanospheres with superior rate performance for lithium ion batteries
Ren, Hao1; Sun, Jiajia1; Yu, Ranbo1; Yang, Mei2; Gu, Lin3; Liu, Porun4; Zhao, Huijun4; Kisailus, David3,5; Wang, Dan2,4
2016
发表期刊CHEMICAL SCIENCE
ISSN2041-6520
卷号7期号:1页码:793-798
摘要Uniform TiO2 nanospheres from hollow, core-shell and mesoporous structures have been synthesized using quasi-nano-sized carbonaceous spheres as templates. The TiO2 nanospheres formed after calcination at 400 degrees C are composed of similar to 7 nm nanoparticles and the shells of the hollow TiO2 nanospheres are as thin as a single layer of nanoparticles. The ultrafine nanoparticles endow the hollow and mesoporous TiO2 nanospheres with short lithium ion diffusion paths leading to high discharge specific capacities of 211.9 and 196.0 mA h g(-1) at a current rate of 1 C (167.5 mA g(-1)) after 100 cycles, and especially superior discharge specific capacities of 125.9 and 113.4 mA h g(-1) at a high current rate of up to 20 C. The hollow and mesoporous TiO2 nanospheres also show superior cycling stability with long-term discharge capacities of 103.0 and 110.2 mA h g(-1), respectively, even after 3000 cycles at a current rate of 20 C.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1039/c5sc03203b
收录类别SCI
语种英语
关键词[WOS]ENERGY-CONVERSION ; ANODE MATERIALS ; STORAGE ; MICROSPHERES ; TITANIA ; ANATASE ; SPHERES ; SIZE ; NANOPARTICLES ; NANOMATERIALS
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
项目资助者National Natural Science Foundation of China(21031005 ; National Science Fund for Distinguished Young Scholars(21325105) ; 21271021 ; 51202248 ; 51472025 ; 51572261)
WOS记录号WOS:000366826900094
引用统计
被引频次:66[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/20198
专题生化工程国家重点实验室
作者单位1.Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Dept Phys Chem, Beijing 100083, Haidian Distric, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Natl Key Lab Biochem Engn, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Lab Adv Mat & Electron Microscopy, Beijing 100190, Peoples R China
4.Griffith Univ, Ctr Clean Environm & Energy, Southport, Qld 4222, Australia
5.Univ Calif Riverside, Dept Chem & Environm Engn, Riverside, CA 92521 USA
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Ren, Hao,Sun, Jiajia,Yu, Ranbo,et al. Controllable synthesis of mesostructures from TiO2 hollow to porous nanospheres with superior rate performance for lithium ion batteries[J]. CHEMICAL SCIENCE,2016,7(1):793-798.
APA Ren, Hao.,Sun, Jiajia.,Yu, Ranbo.,Yang, Mei.,Gu, Lin.,...&Wang, Dan.(2016).Controllable synthesis of mesostructures from TiO2 hollow to porous nanospheres with superior rate performance for lithium ion batteries.CHEMICAL SCIENCE,7(1),793-798.
MLA Ren, Hao,et al."Controllable synthesis of mesostructures from TiO2 hollow to porous nanospheres with superior rate performance for lithium ion batteries".CHEMICAL SCIENCE 7.1(2016):793-798.
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