Results 61 to 70 of about 39,422 (338)

Recent advances in polysulfide mediation of lithium-sulfur batteries via facile cathode and electrolyte modification

open access: yesAPL Materials, 2019
Lithium–sulfur (Li–S) batteries have garnered immense interest due to their potential to surpass the energy densities of state-of-the-art lithium-ion batteries.
Chen Fang   +3 more
doaj   +1 more source

Improved Cyclability of Liquid Electrolyte Lithium/Sulfur Batteries by Optimizing Electrolyte/Sulfur Ratio

open access: yesEnergies, 2012
A liquid electrolyte lithium/sulfur (Li/S) cell is a liquid electrochemical system. In discharge, sulfur is first reduced to highly soluble Li2S8, which dissolves into the organic electrolyte and serves as the liquid cathode.
Sheng S. Zhang
doaj   +1 more source

Copper chloride cathode for a secondary battery [PDF]

open access: yes, 1990
Higher energy and power densities are achieved in a secondary battery based on molten sodium and a solid, ceramic separator such as a beta alumina and a molten catholyte such as sodium tetrachloroaluminate and a copper chloride cathode.
Bankston, Clyde P.   +3 more
core   +1 more source

An electrochemical investigation of the formation of CoSx and its effect on the anodic dissolution of iron in ammoniacal-carbonate solutions [PDF]

open access: yes, 2013
It has been found that the co-presence of cobalt (II) and thiosulphate ions in ammoniacal-carbonate solutions promotes the passivation of iron, under conditions in which it would otherwise continue to dissolve anodically. Electrochemical experiments have
D'Aloya, A, Nikoloski, A.N.
core   +2 more sources

Correlated Dual‐Gradient Electrodes Enabling Spatially Synchronized Sulfur Redox in High‐Mass‐Loading Li–S Batteries Under High Current Densities

open access: yesAdvanced Materials, EarlyView.
Coupling a dual‐gradient carbonized framework with Fe2O3/Fe‐N‐C catalytic sites enables spatially synchronized sulfur redox across the entire electrode thickness in high‐mass‐loading Li–S batteries. This synergistic structural–catalytic design effectively mitigates concentration, ohmic, and electrochemical polarization, thereby achieving high‐capacity ...
Yuxuan Zhang   +6 more
wiley   +1 more source

Characterization of Tribofilm with the Remaining Lubricating Oil by Raman Spectroscopy

open access: yesTribology Online, 2015
As a first step to develop a method of in situ analysis of tribological behavior under oil lubrication, surfaces after the tribo-test with the remaining lubricating oil were analyzed with Raman spectroscopy.
Makoto Miyajima   +2 more
doaj   +1 more source

Formation of iron sulfide at faecal pellets and other microniches within suboxic surface sediment. [PDF]

open access: yes, 2010
Faecal pellet deposition and bioturbation may lead to heterogeneously distributed particles of localized highly reactive organic matter (microniches) being present below the oxygen penetration depth.
Davison, William   +3 more
core   +1 more source

Mo‐O‐C Between MoS2 and Graphene Toward Accelerated Polysulfide Catalytic Conversion for Advanced Lithium‐Sulfur Batteries

open access: yesAdvancement of science, 2022
MoS2/C composites constructed with van der Waals forces have been extensively applied in lithium–sulfur (Li–S) batteries. However, the catalytic conversion effect on polysulfides is limited because the weak electronic interactions between the composite ...
Jiayu Zhang   +7 more
semanticscholar   +1 more source

Clay Reimagined: Phyllosilicates as Future Membrane Technologies

open access: yesAdvanced Materials Interfaces, EarlyView.
Recent advancements in membrane technologies based on 2D materials have drawn attention for molecular‐scale separations owing to these materials’ tunable nanoscale interlayer properties. Phyllosilicates, natural and abundant layered clay minerals, have emerged as scalable and cost‐effective candidates.
Min A Kim   +4 more
wiley   +1 more source

Intumescent-ablator coatings using endothermic fillers [PDF]

open access: yes, 1978
An intumescent-ablator coating composition which contains the ammonium salt of 1,4-nitroaniline-2-sulfonic acid or 4,4 dinitrosul fanilide, a polymeric binder system and about 5 to 30% weight of an endothermic filler is reported.
Riccitiello, S. R., Sawko, P. M.
core   +1 more source

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