Cobalt-Based Double Catalytic Sites on Mesoporous Carbon as Reversible Polysulfide Catalysts for Fast-Kinetic Li-S Batteries

doi:10.1021/acsami.1c17971

	Cobalt-Based Double Catalytic Sites on Mesoporous Carbon as Reversible Polysulfide Catalysts for Fast-Kinetic Li-S Batteries
	Yang, Zhao 1; Zhao, Zhenyang 2; Zhou, Haoran 2; Cheng, Menghao 2; Yan, Rui 2; Tao, Xuefeng 2; Li, Shuang 3; Liu, Xikui 2; Cheng, Chong 2,4; Ran, Fen1
	2021-11-03
发表期刊	ACS APPLIED MATERIALS & INTERFACES
ISSN	1944-8244
卷号	13 期号:43 页码:51174-51185
摘要	Li-S batteries are considered to be the most promising nextgeneration advanced energy-storage systems. However, the sluggish reaction kinetics and the shuttle effect of lithium polysulfides (LiPSs) severely limit their battery performances. To overcome the complex and multiphase sulfur redox chemistry of LiPSs, in this study, we propose a new type of cobalt-based double catalytic sites (DCSs) codoped mesoporous carbon to immobilize and reversibly catalyze the LiPS intermediates in the cycling process, thus eliminating the shuttle effect and improving the charge-discharge kinetics. The theoretical calculation shows that the well-designed DCS configuration endows LiPSs with both strong and weak binding capabilities, which will facilitate the synergistic and reversible catalytic conversion. Furthermore, the experimental results also confirm that the DCS structure shows significantly enhanced catalytic kinetics than the single catalytic sites. The Li-S battery equipped with the DCS structure displays an extremely high discharge capacity of 918 mA h g(-1) at a current density of 0.2 C and can reach a capacity of 867 mA h g(-1) after 200 cycles with an ultralow capacity attenuation rate of 0.028% for each cycle. This study opens new avenues to address the catalytic requirements both in discharging and charging processes.
关键词	lithium-sulfur batteries polysulfide catalytic materials shuttle effects cobalt-based catalysts mesoporous carbon catalysts
DOI	10.1021/acsami.1c17971
收录类别	SCIE
语种	英语
WOS研究方向	Science & Technology - Other Topics ; Materials Science
WOS类目	Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS记录号	WOS:000715852100052
出版者	AMER CHEMICAL SOC
来源库	WOS
引用统计	被引频次：19[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/149979
专题	材料科学与工程学院
通讯作者	Liu, Xikui; Cheng, Chong; Ran, Fen
作者单位	1.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China; 2.Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China; 3.Tech Univ Berlin, Dept Chem, Funct Mat, D-10623 Berlin, Germany; 4.Free Univ Berlin, Dept Chem & Biochem, D-14195 Berlin, Germany
第一作者单位	省部共建有色金属先进加工与再利用国家重点实验室
通讯作者单位	省部共建有色金属先进加工与再利用国家重点实验室
第一作者的第一单位	省部共建有色金属先进加工与再利用国家重点实验室
推荐引用方式 GB/T 7714	Yang, Zhao,Zhao, Zhenyang,Zhou, Haoran,et al. Cobalt-Based Double Catalytic Sites on Mesoporous Carbon as Reversible Polysulfide Catalysts for Fast-Kinetic Li-S Batteries[J]. ACS APPLIED MATERIALS & INTERFACES,2021,13(43):51174-51185.
APA	Yang, Zhao.,Zhao, Zhenyang.,Zhou, Haoran.,Cheng, Menghao.,Yan, Rui.,...&Ran, Fen.(2021).Cobalt-Based Double Catalytic Sites on Mesoporous Carbon as Reversible Polysulfide Catalysts for Fast-Kinetic Li-S Batteries.ACS APPLIED MATERIALS & INTERFACES,13(43),51174-51185.
MLA	Yang, Zhao,et al."Cobalt-Based Double Catalytic Sites on Mesoporous Carbon as Reversible Polysulfide Catalysts for Fast-Kinetic Li-S Batteries".ACS APPLIED MATERIALS & INTERFACES 13.43(2021):51174-51185.