Results 31 to 40 of about 32,980 (162)

Polysulfide regulation vs anode modification: Perspectives on commercializing lithium–sulfur batteries

open access: yesAPL Materials, 2022
Lithium–sulfur (Li–S) batteries are considered the promising energy-storage devices to replace the aging lithium-ion batteries. Indeed, they have gained much attention in both academia and industry due to their high theoretical energy density.
Eunho Cha, Jong Hyuk Yun, Do Kyung Kim
doaj   +1 more source

The Optimization of a Carbon Paper/MnO2 Composite Current Collector for Manufacturing a High-Performance Li–S Battery Cathode

open access: yesCrystals, 2022
High theoretical energy density endows lithium–sulfur batteries to be a promising candidate of the secondary batteries. Numerous studies have been implemented relying on exploring efficient host materials or separator modifying layers to solve the ...
Zhiyuan Pang   +7 more
doaj   +1 more source

Electrotunable liquid sulfur microdroplets. [PDF]

open access: yes, 2020
Manipulating liquids with tunable shape and optical functionalities in real time is important for electroactive flow devices and optoelectronic devices, but remains a great challenge.
Brongersma, Mark L   +17 more
core   +2 more sources

Research Progress of the Solid State Lithium-Sulfur Batteries

open access: yesFrontiers in Energy Research, 2019
Lithium-sulfur batteries using lithium as the anode and sulfur as the cathode can achieve a theoretical energy density (2,600 Wh.g−1) several times higher than that of Li ion batteries based on the chemical conversion reaction of 6Li + S8 ↔ 8Li2S.
HangChao Wang   +3 more
doaj   +1 more source

Facile synthesis of sulfur@titanium carbide Mxene as high performance cathode for lithium-sulfur batteries

open access: yesNanophotonics, 2020
The design of sulfur hosts with polar, sulfurphilic, and conductive network is critical to lithium-sulfur (Li-S) batteries whose potential applications are greatly limited by the lithium polysulfide shuttle effect.
Zhang Fan   +4 more
doaj   +1 more source

Isolated Fe-Co heteronuclear diatomic sites as efficient bifunctional catalysts for high-performance lithium-sulfur batteries

open access: yesNature Communications, 2023
The slow redox kinetics of polysulfides and the difficulties in decomposition of Li2S are two serious obstacles to lithium-sulfur batteries. Here, the authors report an isolated Fe-Co heteronuclear diatomic catalyst to achieve high efficiency ...
Xun Sun   +9 more
doaj   +1 more source

Solid state lithiation-delithiation of sulphur in sub-nano confinement: a new concept for designing lithium-sulphur batteries. [PDF]

open access: yes, 2016
We investigate the detailed effects and mechanisms of sub-nano confinement on lithium-sulfur (Li-S) electrochemical reactions in both ether-based and carbonate-based electrolytes.
Bozhilov, Krassimir N   +3 more
core   +1 more source

S@NiS Hollow Spheres as Cathode Materials for LithiumSulfur Batteries

open access: yesInternational Journal of Electrochemical Science, 2019
Severe capacity fading substantially hinders the employment of lithium-sulfur batteries in the electric vehicles. This is primarily due to the shuttle effect of the polysulfide in the electrolyte. Therefore, the most efficient method to improve the cycle
Bing Che, Dong Wang, Xiaochun Xu
doaj   +1 more source

High Volumetric Energy Density Sulfur Cathode with Heavy and Catalytic Metal Oxide Host for Lithium–Sulfur Battery

open access: yesAdvanced Science, 2020
For high‐energy lithium–sulfur batteries, the poor volumetric energy density is a bottleneck as compared with lithium–ion batteries, due to the low density of both the sulfur active material and sulfur host.
Ya‐Tao Liu   +4 more
doaj   +1 more source

Lithium-Sulfur Batteries Employing Hybrid-electrolyte Structure with Li7La3Zr2O12 at Middle Operating Temperature: Effect of Li Salts Concentration on Electrochemical Performance

open access: yesElectrochemistry, 2021
All solid state Lithium-Sulfur batteries can effectively solve the problem of the conventional Li-S batteries with a liquid electrolyte. However, they still do not achieve sufficient cycle stability and rate capability because of high interfacial ...
Koshin TAKEMOTO   +4 more
doaj   +1 more source

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