Results 31 to 40 of about 239,616 (302)

Elucidating the electrochemical activity of electrolyte-insoluble polysulfide species in lithium-sulfur batteries [PDF]

open access: yes, 2016
The direct synthesis of Li2 S2 , a proposed solid intermediate in the discharge of lithium-sulfur (Li-S) batteries, was accomplished by treating elemental lithium with sulfur in liquid ammonia at -41?? C.
Bielawski, Christopher W.   +3 more
core   +1 more source

Adiabatic and Nonadiabatic Charge Transport in Li–S Batteries [PDF]

open access: yesChemistry of Materials, 2018
The insulating nature of the redox end members in Li-S batteries, a-S and Li2S, has the potential to limit the capacity and efficiency of this emerging energy storage system. Nevertheless, the mechanisms responsible for ionic and electronic transport in these materials remain a matter of debate.
Park, Haesun   +6 more
openaire   +2 more sources

Toward Rigorous Validation of Li-S Battery Models

open access: yesJournal of The Electrochemical Society, 2022
Achieving Li-S batteries’ promise of significantly higher gravimetric energy density and lower cost than Li-ion batteries requires researchers to delineate the most important factors affecting the performance of this technology. By encoding this knowledge into a mathematical model, understanding is made precise, quantitative, and predictive.
M. Cornish, M. Marinescu
openaire   +2 more sources

Computational design of promising 2D electrode materials for Li-ion and Li–S battery applications

open access: yesMaterials Reports: Energy, 2023
Lithium-ion batteries (LIBs) and lithium-sulfur (Li–S) batteries are two types of energy storage systems with significance in both scientific research and commercialization.
Ke Fan, Yuen Hong Tsang, Haitao Huang
doaj   +1 more source

Towards a Safe Lithium–Sulfur Battery with a Flame‐Inhibiting Electrolyte and a Sulfur‐Based Composite Cathode [PDF]

open access: yes, 2014
Of the various beyond‐lithium‐ion batteries, lithium–sulfur (Li‐S) batteries were recently reported as possibly being the closest to market. However, its theoretically high energy density makes it potentially hazardous under conditions of abuse ...
Aurbach   +35 more
core   +2 more sources

Exploring 3D microstructural evolution in Li-Sulfur battery electrodes using in-situ X-ray tomography [PDF]

open access: yes, 2016
Lithium sulfur (Li-S) batteries offer higher theoretical specific capacity, lower cost and enhanced safety compared to current Li-ion battery technology.
Bakenov, Zhumabay   +6 more
core   +1 more source

Single step tranformation of sulphur to Li₂S₂/Li₂S in Li-S batteries

open access: yes, 2015
Lithium-sulphur batteries have generated tremendous research interest due to their high theoretical energy density and potential cost-effectiveness. The commercial realization of Li-S batteries is still hampered by reduced cycle life associated with the formation of electrolyte soluble higher-order polysulphide (Li2Sx, x = 4–8) intermediates, leading ...
Helen, M.   +6 more
openaire   +2 more sources

Catholyte Formulations for High-Energy Li–S Batteries [PDF]

open access: yesThe Journal of Physical Chemistry Letters, 2017
The sulfur electrode in LiS batteries suffers from rapid capacity loss and low efficiency due to the solubility of long chain polysulfides formed during discharge. Herein, we demonstrate the beneficial effect of original catholyte formulations containing redox active organyl disulfides (PhS2Ph) on the capacity utilization and retention as well as the ...
Phadke, Satyajit   +2 more
openaire   +2 more sources

Synergistic Catalysis on Dual‐Atom Sites for High‐Performance Lithium–Sulfur Batteries

open access: yesSmall Structures, 2023
Lithium–sulfur (Li–S) batteries promise ultrahigh theoretical energy density and attract great attention as next‐generation energy storage devices.
Liang Shen   +8 more
doaj   +1 more source

High capacity cathode materials for Li-S batteries [PDF]

open access: yes, 2013
To enhance the stability of sulfur cathode for a high energy lithium-sulfur battery, sulfur-activated carbon (S-AC) composite was prepared by encapsulating sulfur into micropores of activated carbon using a solution-based processing technique.
Ahn, HJ   +8 more
core   +1 more source

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