alpha-Fe2O3 multi-shelled hollow microspheres for lithium ion battery anodes with superior capacity and charge retention

doi:10.1039/c3ee43319f

CAS OpenIR > 研究所（批量导入）

	alpha-Fe2O3 multi-shelled hollow microspheres for lithium ion battery anodes with superior capacity and charge retention
其他题名	Energy Environ. Sci.
	Xu, Simeng 1; Hessel, Colin M.2; Ren, Hao 1; Yu, Ranbo 1; Jin, Quan 2; Yang, Mei 2; Zhao, Huijun 3; Wang, Dan 2
	2014-02-01
发表期刊	ENERGY & ENVIRONMENTAL SCIENCE
ISSN	1754-5692
卷号	7 期号:2 页码:632-637
摘要	Multi-shelled alpha-Fe2O3 hollow microspheres were synthesized using carbonaceous microsphere sacrificial templates and utilized for high capacity anode materials in lithium ion batteries (LIBs). Structural aspects including the shell thickness, number of internal multi-shells, and shell porosity were controlled by synthesis parameters to produce hollow microspheres with maximum lithium capacity and stable cycling behavior. Thin, porous, hollow microspheres with three concentric multi-shells showed the best cycling performance, demonstrating excellent stability and a reversible capacity of up to 1702 mA h g(-1) at a current density of 50 mA g(-1). The electrode performance is attributed to the large specific surface area and enhanced volumetric capacity of the multi-shelled hollow spheres that provide maximum lithium storage, while the porous thin shells facilitate rapid electrochemical kinetics and buffer mechanical stresses that accompany volume changes during de/lithiation.; Multi-shelled alpha-Fe2O3 hollow microspheres were synthesized using carbonaceous microsphere sacrificial templates and utilized for high capacity anode materials in lithium ion batteries (LIBs). Structural aspects including the shell thickness, number of internal multi-shells, and shell porosity were controlled by synthesis parameters to produce hollow microspheres with maximum lithium capacity and stable cycling behavior. Thin, porous, hollow microspheres with three concentric multi-shells showed the best cycling performance, demonstrating excellent stability and a reversible capacity of up to 1702 mA h g(-1) at a current density of 50 mA g(-1). The electrode performance is attributed to the large specific surface area and enhanced volumetric capacity of the multi-shelled hollow spheres that provide maximum lithium storage, while the porous thin shells facilitate rapid electrochemical kinetics and buffer mechanical stresses that accompany volume changes during de/lithiation.
关键词	Negative-electrode Storage Properties Nanostructured Materials Energy-conversion Accurate Control Metal-oxide Spheres Performance Nanotubes Devices
文章类型	Article
WOS标题词	Science & Technology ; Physical Sciences ; Technology ; Life Sciences & Biomedicine
DOI	10.1039/c3ee43319f
URL	查看原文
收录类别	SCI
语种	英语
关键词[WOS]	NEGATIVE-ELECTRODE ; STORAGE PROPERTIES ; NANOSTRUCTURED MATERIALS ; ENERGY-CONVERSION ; ACCURATE CONTROL ; METAL-OXIDE ; SPHERES ; PERFORMANCE ; NANOTUBES ; DEVICES
WOS研究方向	Chemistry ; Energy & Fuels ; Engineering ; Environmental Sciences & Ecology
WOS类目	Chemistry, Multidisciplinary ; Energy & Fuels ; Engineering, Chemical ; Environmental Sciences
WOS记录号	WOS:000331413700012
引用统计	被引频次：391[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
版本	出版稿
条目标识符	http://ir.ipe.ac.cn/handle/122111/8026
专题	研究所（批量导入）
作者单位	1.Univ Sci & Technol Beijing, Dept Phys Chem, Sch Met & Ecol Engn, Beijing 100083, Peoples R China 2.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China 3.Griffith Univ, Ctr Clean Environm & Energy, Brisbane, Qld 4222, Australia
推荐引用方式 GB/T 7714	Xu, Simeng,Hessel, Colin M.,Ren, Hao,et al. alpha-Fe2O3 multi-shelled hollow microspheres for lithium ion battery anodes with superior capacity and charge retention[J]. ENERGY & ENVIRONMENTAL SCIENCE,2014,7(2):632-637.
APA	Xu, Simeng.,Hessel, Colin M..,Ren, Hao.,Yu, Ranbo.,Jin, Quan.,...&Wang, Dan.(2014).alpha-Fe2O3 multi-shelled hollow microspheres for lithium ion battery anodes with superior capacity and charge retention.ENERGY & ENVIRONMENTAL SCIENCE,7(2),632-637.
MLA	Xu, Simeng,et al."alpha-Fe2O3 multi-shelled hollow microspheres for lithium ion battery anodes with superior capacity and charge retention".ENERGY & ENVIRONMENTAL SCIENCE 7.2(2014):632-637.

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