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Cooperative catalytic platinum species accelerating polysulfide redox reactions for Li-S batteries

文献类型：期刊论文

作者Qi, Yujie2,3; Chai, Ning2,4; Gu, Qinhua2,3; Chen, Junnan2,3; Zhai, Zhaofeng2,3; Lu, Ming1,2; Niu, Yiming2,3; Huang, Nan2,3; Zhang, Xia4; Zhang, Bingsen2,3
刊名JOURNAL OF ENERGY CHEMISTRY
出版日期2023-12-01
卷号87页码:123-135
关键词Lithium-sulfur batteries Platinum species N -doped carbon spheres Bidirectional catalysis Polysulfide conversion
ISSN号2095-4956
DOI10.1016/j.jechem.2023.08.015
通讯作者Huang, Nan(nhuang@imr.ac.cn) ; Zhang, Xia(xzhang@mail.neu.edu.cn) ; Zhang, Bingsen(bszhang@imr.ac.cn)
英文摘要The shuttle effect derived from diffusion of lithium polysulfides (LiPSs) and sluggish redox kinetic bring about poor cycling stability and low utilization of sulfur, which have always been the key challenging issues for the commercial application of lithium-sulfur (Li-S) batteries. Rational design of cathode materials to catalyze Li2S dissociation/nucleation processes is an appealing and valid strategy to develop high-energy practical Li-S batteries. Herein, considering the synergistic effect of bidirectional catalysis on LiPSs conversion and enhanced chemical immobilization for LiPSs by heteroatom doping, Pt nanoparticles loaded on nitrogen-doped carbon spheres (Pt/NCS composites) were constructed as cathode materials. According to the dynamic evolution of Pt catalysts and sulfur species, Pt0 and Pt2+ species were identified as active species for the accelerated dissociation and nucleation of Li2S, respectively. Meanwhile, in-situ Raman results demonstrated the expedited conversion of sulfur species resulted from bidirectional catalysis of active Pt species, corresponding to boosted redox kinetics. Consequently, Pt/NCS cathode exhibited improved long-term cyclability with high initial capacity, along with enhanced rate capability. This work provides a facile approach to construct cathode materials with bidirectional catalysis on Li2S dissociation/ nucleation, and sheds light on a more global understanding of the catalytic mechanism of metal catalysts during LiPSs conversion.(c) 2023 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by ELSEVIER B.V. and Science Press. All rights reserved.
资助项目National Natural Science Foundation of China[51932005] ; National Natural Science Foundation of China[22072164] ; Liaoning Revitalization Talents Program[XLYC1807175] ; Research Fund of Shenyang National Laboratory for Materials Science ; Natural Science Foundation of Liaoning Province[JJKH20210453KJ] ; Science and Technology Research Project of Education Department of Jilin Province[2023-PY10] ; IMR Innovation Fund ; [2023-BS-013]
WOS研究方向Chemistry ; Energy & Fuels ; Engineering
语种英语
WOS记录号WOS:001081721100001
出版者ELSEVIER
资助机构National Natural Science Foundation of China ; Liaoning Revitalization Talents Program ; Research Fund of Shenyang National Laboratory for Materials Science ; Natural Science Foundation of Liaoning Province ; Science and Technology Research Project of Education Department of Jilin Province ; IMR Innovation Fund
源URL[http://ir.imr.ac.cn/handle/321006/179454]  
专题金属研究所_中国科学院金属研究所
通讯作者Huang, Nan; Zhang, Xia; Zhang, Bingsen
作者单位1.Jilin Normal Univ, Minist Educ, Key Lab Funct Mat Phys & Chem,Joint Lab MXene Mat, Key Lab Preparat & Applicat Environm Friendly Mat, Changchun 130103, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
3.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China
4.Northeastern Univ, Coll Sci, Dept Chem, Shenyang 110819, Liaoning, Peoples R China
推荐引用方式
GB/T 7714		 Qi, Yujie,Chai, Ning,Gu, Qinhua,et al. Cooperative catalytic platinum species accelerating polysulfide redox reactions for Li-S batteries[J]. JOURNAL OF ENERGY CHEMISTRY,2023,87:123-135.
APA Qi, Yujie.,Chai, Ning.,Gu, Qinhua.,Chen, Junnan.,Zhai, Zhaofeng.,...&Zhang, Bingsen.(2023).Cooperative catalytic platinum species accelerating polysulfide redox reactions for Li-S batteries.JOURNAL OF ENERGY CHEMISTRY,87,123-135.
MLA Qi, Yujie,et al."Cooperative catalytic platinum species accelerating polysulfide redox reactions for Li-S batteries".JOURNAL OF ENERGY CHEMISTRY 87(2023):123-135.

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来源：金属研究所

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