Results 1 to 10 of about 9,468 (254)

Lithium Polysulfide Interaction with Group III Atoms-Doped Graphene: A Computational Insight [PDF]

open access: goldBatteries, 2020
The development of long lifetime Li–S batteries requires new sulfur–carbon based composite materials that are able to suppress the shuttle effect—namely, the migration of soluble lithium polysulfides from the cathode to the anode of the cell. Graphene is
Mauro Francesco Sgroi   +2 more
doaj   +2 more sources

Revisiting the Role of Polysulfides in Lithium–Sulfur Batteries

open access: yesAdvanced Materials, 2018
AbstractIntermediate polysulfides (Sn, where n = 2–8) play a critical role in both mechanistic understanding and performance improvement of lithium–sulfur batteries. The rational management of polysulfides is of profound significance for high‐efficiency sulfur electrochemistry.
Gäoran Li, Shun Wang, Yining Zhang
exaly   +4 more sources

An ultrathin and crack‐free metal‐organic framework film for effective polysulfide inhibition in lithium–sulfur batteries [PDF]

open access: goldInterdisciplinary Materials
Due to their extensive microporous structure, metal‐organic frameworks (MOFs) find widespread application in constructing modification layers, functioning as ion sieves.
Cheng Zhou   +7 more
doaj   +2 more sources

Effect of properties of carbon materials on specific energy and cycling of lithium-sulfur batteries [PDF]

open access: yesЭлектрохимическая энергетика, 2022
The effect of the structure and the specific surface area of carbon materials, contained in positive electrodes, on the peculiarities of cycling of lithium-sulfur cells (the depth of electrochemical reduction of sulfur and lithium polysulfides, the ...
Karaseva, Elena Vladimirovna   +3 more
doaj   +1 more source

Metal Atom-Decorated Carbon Nanomaterials for Enhancing Li-S/Se Batteries Performances: A Mini Review

open access: yesFrontiers in Energy Research, 2021
Lithium-sulfur (Li-S) and lithium-selenium (Li-Se) batteries are both facing the cathode issues of low Coulombic efficiency and unstable cycling stability due to the severe shuttle effect of lithium polysulfides or lithium polyselenides.
Xingxing Gu, Lan Deng, Xiaolei Ren
doaj   +1 more source

A Nafion protective layer for stabilizing lithium metal anodes in working lithium–sulfur batteries

open access: yesBattery Energy, 2022
Lithium–sulfur batteries are promising next‐generation energy storage devices due to their ultrahigh theoretical energy density. However, the parasitic reactions between lithium polysulfides and lithium metal anodes render lithium anodes extremely ...
Zheng Li   +8 more
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

Artificial dual solid-electrolyte interfaces based on in situ organothiol transformation in lithium sulfur battery

open access: yesNature Communications, 2021
Lithium-sulfur batteries suffer from the shuttle effect of lithium polysulfides and interfacial instability of the lithium metal anode. Here, the authors use 1,3,5-benzenetrithiol as an electrolyte additive to protect sulfur cathode and lithium metal ...
Wei Guo   +5 more
doaj   +1 more source

Visualization of polysulfide dissolution in lithium-sulfur batteries using in-situ NMR microimaging

open access: yesElectrochemistry Communications, 2022
Lithium-sulfur batteries offer the highest theoretical energy density among enclosed rechargeable batteries. However, there are various issues that need to be addressed before their practical adoption, such as the dissolution of intermediate lithium ...
Arunkumar Dorai   +2 more
doaj   +1 more source

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