Hollow core-shell structured Si@NiAl-LDH composite as high-performance anode material in lithium-ion batteries

doi:10.1016/j.electacta.2019.135331

	Hollow core-shell structured Si@NiAl-LDH composite as high-performance anode material in lithium-ion batteries
	Li, Qiongguang 2,3; Wang, Yanhong 3,4; Lu, Bin 2,3; Yu, Jing 3; Yuan, Menglei 2,3; Tan, Qiangqiang 3,4; Zhong, Ziyi 1,5; Su, Fabing 3,4,6
刊名	ELECTROCHIMICA ACTA
	2020-01-20
卷号	331 页码:10
关键词	hollow core-shell structure Si@NiAl-LDH Hybrid composites Pseudocapacitance Anode Lithium-ion batteries
ISSN号	0013-4686
DOI	10.1016/j.electacta.2019.135331
英文摘要	Vast volume expansion of Si-based materials severely deteriorates the electrochemical performance of lithium-ion batteries (LIBs). To overcome this problem, we designed and synthesized Si@NiAl-LDH (layered double hydroxide) hybrid composites with the unique hollow core-shell structure via a reprecipitation and in situ growth process. In principle, the core of Si nanoparticles (Si NPs) can contribute to a high Li-storage capacity, the void space between the shell of LDH and the Si-core can effectively tolerate the volume expansion of Si NPs, and the shell can maintain the structural integrity and contribute to the electrochemical performance as well. As demonstrated, when used as the anode materials of LIBs, Si@NiAl-LDH exhibited much enhanced electrochemical performance as compared with the LDHs. The Si@NiAl-LDH electrode had a reversible capacity of 534 mAhg(-1) after 60 cycles at 50 mAg(-1) while that of NiAl-LDH was 343 mAhg(-1) only. Regarding the rate performance, the Si@NiAl-LDH electrode could revert to 565 mAhg(-1) after a rate test, while that of NiAl-LDH electrode was 353 mAhg(-1) only. Obviously, the obtained clear structure-property relationship of the anode materials will be very conducive to the design and synthesis of the high-performance next-generation materials for energy storage and conversion. (c) 2019 Elsevier Ltd. All rights reserved.
资助项目	National Natural Science Foundation of China[51772295] ; GTIIT
WOS关键词	LAYERED DOUBLE HYDROXIDE ; ELECTROCHEMICAL ENERGY-STORAGE ; TIO2 ANATASE ; CARBON ; FABRICATION ; NANOCOMPOSITE ; INTERPHASE ; CATALYST ; SPHERES ; DESIGN
WOS研究方向	Electrochemistry
语种	英语
出版者	PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号	WOS:000506011100044
资助机构	National Natural Science Foundation of China ; GTIIT
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/38676]
专题	中国科学院过程工程研究所
通讯作者	Wang, Yanhong; Zhong, Ziyi; Su, Fabing
作者单位	1.GTIIT, Coll Engn, 241 Daxue Rd, Jinping Dist 515063, Shantou, Peoples R China 2.Univ Chinese Acad Sci, Sch Chem Engn, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Inst Proc Engn, CAS Key Lab Green Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China 4.Zhongke Langfang Inst Proc Engn, Langfang Econ & Tech Dev Zone, Fenghua Rd 1, Langfang 065001, Hebei, Peoples R China 5.Technion Israel Inst Technol IIT, IL-32000 Haifa, Israel 6.Shenyang Univ Chem Technol, Inst Ind Chem & Energy Technol, Shenyang 110142, Liaoning, Peoples R China
推荐引用方式 GB/T 7714	Li, Qiongguang,Wang, Yanhong,Lu, Bin,et al. Hollow core-shell structured Si@NiAl-LDH composite as high-performance anode material in lithium-ion batteries[J]. ELECTROCHIMICA ACTA,2020,331:10.
APA	Li, Qiongguang.,Wang, Yanhong.,Lu, Bin.,Yu, Jing.,Yuan, Menglei.,...&Su, Fabing.(2020).Hollow core-shell structured Si@NiAl-LDH composite as high-performance anode material in lithium-ion batteries.ELECTROCHIMICA ACTA,331,10.
MLA	Li, Qiongguang,et al."Hollow core-shell structured Si@NiAl-LDH composite as high-performance anode material in lithium-ion batteries".ELECTROCHIMICA ACTA 331(2020):10.