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Predicting Transition-Metal/Benzenehexathiol Systems as Effective Cathodes of Li-S batteries with Conjugate Conductivity and Synergetic Discharge
Cui, MN; Zhao, XL; Wang, TT; Qiu, WJ; Song, EH
2020-07-15
Source PublicationCHEMISTRYSELECT
ISSN2365-6549
Issue26Pages:7783
SubtypeArticle
AbstractThough lithium-sulfur (Li-S) batteries possess extremely high theoretical energy density (2600 Wh kg(-1)), its practical application is significantly hindered due to the shuttle effect of lithium polysulfides and poor electronic conductivity of cycling products. For this case, developing new type of cathodes with high electronic conductivity and appropriate adsorption energy is an important strategy to improve the Li-S battery performance. Herein, by using first-principle calculations, we systematically investigate the two-dimensional transition metal organic framework compounds TM-BHT (TM=transition metal, BHT=benzenehexathiol) as the possible cathode candidates for Li-S batteries. Among the various TM-BHT system, Co/Ni/Cu-BHT are considered to be potential cathode materials for the excellent electronic conductivity, moderate adsorption energy and structural stability. In addition, it is found that the Co/Ni/Cu-BHT can not only catalyze the decomposition reactions of S-8/Li2Sn, but also synergistically discharge with sulfur materials. This work demonstrates an effective design pathway and provides solutions for developing high-performance Li-S batteries.
DOI10.1002/slct.202000665
WOS KeywordSULFUR ; POLYSULFIDES ; PERFORMANCE ; BINDING ; HOSTS
Language英语
WOS Research AreaChemistry
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27905
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Cui, MN,Zhao, XL,Wang, TT,et al. Predicting Transition-Metal/Benzenehexathiol Systems as Effective Cathodes of Li-S batteries with Conjugate Conductivity and Synergetic Discharge[J]. CHEMISTRYSELECT,2020(26):7783.
APA Cui, MN,Zhao, XL,Wang, TT,Qiu, WJ,&Song, EH.(2020).Predicting Transition-Metal/Benzenehexathiol Systems as Effective Cathodes of Li-S batteries with Conjugate Conductivity and Synergetic Discharge.CHEMISTRYSELECT(26),7783.
MLA Cui, MN,et al."Predicting Transition-Metal/Benzenehexathiol Systems as Effective Cathodes of Li-S batteries with Conjugate Conductivity and Synergetic Discharge".CHEMISTRYSELECT .26(2020):7783.
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