A Janus Separator for Inhibiting Shuttle Effect and Lithium Dendrite in Lithium-Sulfur Batteries

doi:10.1002/batt.202100389

CORC > 金属研究所 > 中国科学院金属研究所

	A Janus Separator for Inhibiting Shuttle Effect and Lithium Dendrite in Lithium-Sulfur Batteries
	Xiao, Ru 2,3; Yang, Shan 2,4; Yu, Tong 2; Hu, Tianzhao 1,2; Zhang, Xiaoyin 2,3; Xu, Ruogu 2,3; Wang, Yaozu 2,3; Guo, Xiaodong 4; Sun, Zhenhua 2,3; Li, Feng 2,3
刊名	BATTERIES & SUPERCAPS
	2022-04-01
卷号	5 期号:4 页码:10
关键词	Janus separator lithium dendrite lithium-sulfur batteries oxygen vacancy shuttle effect
DOI	10.1002/batt.202100389
通讯作者	Sun, Zhenhua(zhsun@imr.ac.cn) ; Li, Feng(fli@imr.ac.cn)
英文摘要	Lithium-sulfur (Li-S) batteries are promising candidates for next-generation energy storage systems. However, unsurpassed challenges including the shuttle effect and Li dendrite growth are still faced for marketization. Herein, La2Zr2O7-x (OV-LZO) nanotubes with surface oxygen vacancies were fabricated to serve as Janus separator coatings for Li-S batteries. The overlapping OV-LZO nanotubes construct an efficient lithium polysulfides adsorption and catalysis network at the interface of the cathode/separator and a Li+ transport network by increasing the Li+ transfer number and boosting Li+ diffusion at the interface of the anode/separator to tackle the shuttle effect and lithium dendrite issues. The excellent thermal stability of OV-LZO lowers the possibility of a short circuit. As a result, the elaborate Janus OV-LZO coating enabled Li-S batteries with an areal capacity of 8.33 mAh cm(-2) after 50 cycles at 0.2 C under conditions of high sulfur loading (9.1 mg cm(-2)), lean electrolyte (E/S of 4.5 mL g(-1)) and low N/P ratio of 2. Moreover, the gravimetric energy density of the battery was greatly increased compared to that of the commercial separator with little increase in the mass loading of separator. This strategy can be integrated with the optimization of other battery components to light the way for the construction of practical Li-S batteries.
资助项目	National Natural Science Foundation of China[51972313] ; National Natural Science Foundation of China[52020105010] ; National Natural Science Foundation of China[52072378] ; National Key R&D Program of China[2021YFB3800301] ; National Key R&D Program of China[2021YFC2800200] ; Strategic Priority Research Program of Chinese Academy of Science[XDA22010602] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[Y201942] ; Liaoning Revitalization Talents Program[XLYC1908015] ; Liaoning Revitalization Talents Program[XLYC2007080] ; DNL Cooperation Fund, CAS[DNL202019]
WOS研究方向	Electrochemistry ; Materials Science
语种	英语
出版者	WILEY-V C H VERLAG GMBH
WOS记录号	WOS:000748186300001
资助机构	National Natural Science Foundation of China ; National Key R&D Program of China ; Strategic Priority Research Program of Chinese Academy of Science ; Youth Innovation Promotion Association of the Chinese Academy of Sciences ; Liaoning Revitalization Talents Program ; DNL Cooperation Fund, CAS
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/172927]
专题	金属研究所_中国科学院金属研究所
通讯作者	Sun, Zhenhua; Li, Feng
作者单位	1.Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou 450001, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 3.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei, Peoples R China 4.Sichuan Univ, Sch Chem Engn, Chengdu 610065, Peoples R China
推荐引用方式 GB/T 7714	Xiao, Ru,Yang, Shan,Yu, Tong,et al. A Janus Separator for Inhibiting Shuttle Effect and Lithium Dendrite in Lithium-Sulfur Batteries[J]. BATTERIES & SUPERCAPS,2022,5(4):10.
APA	Xiao, Ru.,Yang, Shan.,Yu, Tong.,Hu, Tianzhao.,Zhang, Xiaoyin.,...&Li, Feng.(2022).A Janus Separator for Inhibiting Shuttle Effect and Lithium Dendrite in Lithium-Sulfur Batteries.BATTERIES & SUPERCAPS,5(4),10.
MLA	Xiao, Ru,et al."A Janus Separator for Inhibiting Shuttle Effect and Lithium Dendrite in Lithium-Sulfur Batteries".BATTERIES & SUPERCAPS 5.4(2022):10.