Results 21 to 30 of about 36,695 (252)

A highly reversible dendrite-free Zn anode via spontaneous galvanic replacement reaction for advanced zinc-iodine batteries

open access: yesNano Research Energy, 2022
Rechargeable aqueous zinc-iodine batteries have received extensive attention due to their inherent advantages such as low cost, flame retardancy and safety. To address the safety concern associated with Zn dendrites, tin functional layer is introduced to
Yadong Tian   +5 more
doaj   +1 more source

Electrochemical behavior of cubic titanium carbide for lithium-air batteries

open access: yesCailiao gongcheng, 2019
Titanium carbide(TiC)nanoparticles were synthesized in situ by direct current(DC)arc-discharge method under the mixture of methane and argon gas atmosphere.
QIN Zhen-hai   +5 more
doaj   +1 more source

Understanding Anode Overpotential [PDF]

open access: yes, 2014
In aluminium electrolysis cells the anodic process is associated with a substantial overpotential. Industrial carbon anodes are produced from a blend of coke materials, but the effect of coke type on anodic overpotential has not been well studied.
Sandnes, Espen   +13 more
core   +1 more source

Hydrogen Overpotential of ε Phases [PDF]

open access: yes, 2010
application/pdfFrom the measurement of the hydrogen overpotential of silver and copper alloys by the direct method, it was shown that the hydrogen overpotential of electron compounds of ε phases was much smaller than that of other phases.
OHTANI, Namio
core   +1 more source

Selective and Low Overpotential Electrochemical CO2 Reduction to Formate on CuS Decorated CuO Heterostructure [PDF]

open access: yes, 2019
Cu2O/CuO/CuS electrocatalyst was prepared by thermal oxidation of cleaned copper mesh in the air into Cu2O/CuO and CuS was deposited on oxide surface using facile successive ionic layer adsorption and reaction method.
Meng-Che Tsai   +6 more
core   +1 more source

Exploring the mechanistic role of alloying elements in copper-based electrocatalysts for the reduction of carbon dioxide to methane

open access: yesFrontiers in Chemistry, 2023
The promise of electrochemically reducing excess anthropogenic carbon dioxide into useful chemicals and fuels has gained significant interest. Recently, indium–copper (In–Cu) alloys have been recognized as prospective catalysts for the carbon dioxide ...
Mingzhong Hao   +6 more
doaj   +1 more source

Realizing Favorable Synergism Toward Efficient Hydrogen Evolution Reaction with Heterojunction Engineered Cu7S4/CuS2/NiS2 and Functionalized Carbon Sheet Heterostructures

open access: yesAdvanced Materials Interfaces, 2022
Electrochemical hydrogen generation via water splitting is the greenest approach toward the hydrogen economy. To satisfy the practical utilization, the electrocatalyst for hydrogen evolution reaction (HER) must be of low cost with high catalytic activity.
Hemanth Kumar Beere   +7 more
doaj   +1 more source

Degradation of Glue in Lead Electrorefining

open access: yesJournal of MMIJ, 2023
Surface morphology of lead deposits from H2SiF6-PbSiF6 electrolyte containing an animal glue was investigated by means of the periodic galvanostatic electrolysis and SEM-EDS observation. The weight average molecular weight of the glue was also determined
Toshiki OKUDERA, Hidehiro SEKIMOTO
doaj   +1 more source

Towards the Hydrogen Economy—A Review of the Parameters That Influence the Efficiency of Alkaline Water Electrolyzers

open access: yesEnergies, 2021
Environmental issues make the quest for better and cleaner energy sources a priority. Worldwide, researchers and companies are continuously working on this matter, taking one of two approaches: either finding new energy sources or improving the ...
Ana L. Santos   +2 more
doaj   +1 more source

Modeling of interfacial and bulk charge transfer in dye-sensitized solar cells

open access: yesCogent Engineering, 2017
A simple, first-principles mathematical model has been developed to analyze the effect of interfacial and bulk charge transfer on the power output characteristics of dye-sensitized solar cells (DSSCs).
Jiawei Gong   +3 more
doaj   +1 more source

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