Self-Supported and Flexible Sulfur Cathode Enabled via Synergistic Confinement for High-Energy-Density Lithium-Sulfur Batteries.
Sign Up to like & getrecommendations! Published in 2019 at "Advanced materials"
DOI: 10.1002/adma.201902228
Abstract: Lithium-sulfur (Li-S) batteries have attracted much attention in the field of electrochemical energy storage due to their high energy density and low cost. However, the "shuttle effect" of the sulfur cathode, resulting in poor cyclic… read more here.
Keywords: energy; high energy; sulfur cathode; sulfur ... See more keywords
Trapping and catalytic conversion of polysulfides by kirkendall effect built hollow NiCo2S4 nano-prisms for advanced sulfur cathodes in Li–S battery
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science"
DOI: 10.1007/s10853-020-05511-8
Abstract: To address the problems of low active utilization and fast capacity decay in practical application of lithium–sulfur (Li–S) battery, an effective and widely used strategy is incorporating polar materials into sulfur cathode to tune the… read more here.
Keywords: sulfur cathode; kirkendall effect; effect; conversion polysulfides ... See more keywords
Constructing high gravimetric and volumetric capacity sulfur cathode with LiCoO2 nanofibers as carbon-free sulfur host for lithium-sulfur battery
Sign Up to like & getrecommendations! Published in 2021 at "Science China Materials"
DOI: 10.1007/s40843-020-1552-7
Abstract: Although the gravimetric energy density of lithium-sulfur battery is very encouraging, the volumetric energy density still remains a challenge for the practical application. To achieve the high volumetric energy density of battery, much attention should… read more here.
Keywords: sulfur cathode; cathode; licoo2 nanofibers; density ... See more keywords
Constructing flexible coaxial-cable structured sulfur cathode with carbon nanomaterials on textile
Sign Up to like & getrecommendations! Published in 2019 at "Carbon"
DOI: 10.1016/j.carbon.2018.12.087
Abstract: Abstract Lithium-sulfur battery is an attractive energy storage system owing to its high theoretical capacity. However, the insulating nature of sulfur and “shuttle effect” of intermediate lithium polysulfides hinders its practical utilization. Herein, we demonstrate… read more here.
Keywords: coaxial cable; constructing flexible; cathode; carbon ... See more keywords
Synthesis and research of layered CoS/graphene nanoflakes as sulfur cathode for high-energy lithium sulfur batteries
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Electroanalytical Chemistry"
DOI: 10.1016/j.jelechem.2019.113524
Abstract: Abstract In this work, CoS nanoflakes were directly grown on graphene followed by sulfur storing by annealing sulfur/carbon disulfide and CoS nanoflakes at 155 °C for 10 h in N2. The microstructural and morphologies of the CoS/graphene… read more here.
Keywords: sulfur cathode; graphene; cos graphene; synthesis research ... See more keywords
In Situ Constructing a Catalytic Shell for Sulfur Cathode via Electrochemical Oxidative Polymerization.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c18695
Abstract: Sluggish multiphase reaction kinetics and severe shuttle effect of lithium polysulfides (LiPSs) are two major challenges facing lithium-sulfur (Li-S) batteries, which largely prevent them from becoming a reality. Herein, a shell with catalytic function for… read more here.
Keywords: shell; oxidative polymerization; sulfur cathode; electrochemical oxidative ... See more keywords
Investigation of the Li-S Battery Mechanism by Real-Time Monitoring of the Changes of Sulfur and Polysulfide Species during the Discharge and Charge.
Sign Up to like & getrecommendations! Published in 2017 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.6b08904
Abstract: The mechanism of the sulfur cathode in Li-S batteries has been proposed. It was revealed by the real-time quantitative determination of polysulfide species and elemental sulfur by means of high-performance liquid chromatography in the course… read more here.
Keywords: real time; mechanism; sulfur cathode; battery ... See more keywords
Graphene-supported polyoxometalate entrapped in a MIL-88A network with highly efficient conversion of polysulfides in Li-S batteries.
Sign Up to like & getrecommendations! Published in 2022 at "Dalton transactions"
DOI: 10.1039/d2dt01743a
Abstract: It has been demonstrated that polyoxometalates (POMs) have strong anchoring abilities with efficient catalysis of lithium polysulfides (LiPSs). However, the severe aggregation that buries the effective active sites of POMs along with poor electrical conductivity… read more here.
Keywords: network; sulfur cathode; conversion; entrapped mil ... See more keywords
Zirconia-supported cobalt nanoparticles as high-performance sulfur cathode for lithium–sulfur batteries
Sign Up to like & getrecommendations! Published in 2022 at "Nanotechnology"
DOI: 10.1088/1361-6528/ac8b8d
Abstract: Lithium–sulfur (Li–S) battery is now a promising technology for energy storage. However, rapid capacity decay due to sulfur dissolution and shutting effect severely limit its commercial development. In this work, a NH2-UIO-66 metal organic framework-derived… read more here.
Keywords: capacity; sulfur cathode; sulfur; lithium ... See more keywords
Effective Suppression of Polysulfide Dissolution by Uniformly Transfer-Printed Conducting Polymer on Sulfur Cathode for Li-S Batteries
Sign Up to like & getrecommendations! Published in 2017 at "Journal of The Electrochemical Society"
DOI: 10.1149/2.0621701jes
Abstract: The lithium-sulfur battery has received much attention in recent years owing to its high gravimetric capacity, far beyond that of current Li-ion batteries. Overcoming the shuttling effect caused by the dissolution of polysulfides during the… read more here.
Keywords: dissolution; sulfur cathode; sulfur cathodes; transfer printed ... See more keywords
Neem Leaf-derived Micro and Mesoporous Carbon as an Efficient Polysulfide Inhibitor for Sulfur Cathode in a Li-S Battery
Sign Up to like & getrecommendations! Published in 2019 at "Chemistry Letters"
DOI: 10.1246/cl.180726
Abstract: A one-step in-situ activation process has been adopted for the synthesis of micro and mesoporous carbon from neem leaves for use as a matrix for a sulfur cathode. The neem leaf micro and mesoporus ... read more here.
Keywords: neem leaf; mesoporous carbon; micro mesoporous; sulfur cathode ... See more keywords