Sulfur Reduction Reaction in Lithium–Sulfur Batteries: Mechanisms, Catalysts, and Characterization

Lei Zhou; Dmitri L. Danilov; Fen QiaoJunfeng WangHaitao LiRuediger-A. EichelPeter H. L. Notten

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Sulfur Reduction Reaction in Lithium–Sulfur Batteries: Mechanisms, Catalysts, and Characterization

机译：Sulfur Reduction Reaction in Lithium–Sulfur Batteries: Mechanisms, Catalysts, and Characterization

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Lithium–sulfur batteries are one of the most promising alternatives foradvanced battery systems due to the merits of extraordinary theoreticalspecific energy density, abundant resources, environmental friendliness, andhigh safety. However, the sluggish sulfur reduction reaction (SRR) kineticsresults in poor sulfur utilization, which seriously hampers the electrochemicalperformance of Li–S batteries. It is critical to reveal the underlying reactionmechanisms and accelerate the SRR kinetics. Herein, the critical issues ofSRR in Li–S batteries are reviewed. The conversion mechanisms and reactionpathways of sulfur reduction are initially introduced to give an overviewof the SRR. Subsequently, recent advances in catalyst materials that canaccelerate the SRR kinetics are summarized in detail, including carbon, metalcompounds, metals, and single atoms. Besides, various characterizationapproaches for SRR are discussed, which can be divided into three categories:electrochemical measurements, spectroscopic techniques, and theoreticalcalculations. Finally, the conclusion and outlook part gives a summary andproposes several key points for future investigations on the mechanisms ofthe SRR and catalyst activities. This review can provide cutting-edge insightsinto the SRR in Li–S batteries.

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《Advanced energy materials》 |2022年第44期|2202094.1-2202094.51|共51页
作者
Lei Zhou; Dmitri L. Danilov; Fen QiaoJunfeng WangHaitao LiRuediger-A. EichelPeter H. L. Notten;
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School of Energy and Power EngineeringJiangsu UniversityZhenjiang 212013, China,Department of Chemical Engineering and ChemistryDepartment of Electrical EngineeringEindhoven University of TechnologyEindhoven MB 5600, The Netherlands;

Department of Chemical Engineering and ChemistryDepartment of Electrical EngineeringEindhoven University of TechnologyEindhoven MB 5600, The Netherlands,Institute of Energy and Climate ResearchFundamental Electrochemistry (IEK-9)Forschungszentrum JülichD-;

School of Energy and Power EngineeringJiangsu UniversityZhenjiang 212013, ChinaInstitute for Energy ResearchSchool of Chemistry and Chemical EngineeringJiangsu UniversityZhenjiang 212013, ChinaInstitute of Physical ChemistryRWTH Aachen UniversityD-52074 Aachen, Germany;

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catalysts; characterization; lithium–sulfur batteries; mechanisms; sulfurreduction reaction;

Sulfur Reduction Reaction in Lithium–Sulfur Batteries: Mechanisms, Catalysts, and Characterization

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