Results 21 to 30 of about 548 (179)

Copper Electrowinning from Supercritical Leachate of Printed Circuit Boards

open access: yesMetals, 2023
The technological development propitiates the rapid replacement of electrical and electronic equipment, which makes it indispensable to develop recycling processes for the treatment of this equipment when discarded.
Camila Ottonelli Calgaro   +3 more
doaj   +1 more source

Antimony recovery by hydrometallurgy - emphasis on recovery from leach solutions [PDF]

open access: yesJournal of Mining and Metallurgy. Section B: Metallurgy
Antimony (Sb) is listed as a critical raw material in both Europe and the USA. Pyrometallurgical and hydrometallurgical methods are used for its recovery from raw sources.
Panayotova M.I., Panayotov V.T.
doaj   +1 more source

The Impact of Mn2+ ions Concentration on Co-electrowinning Using a Dimensionally Stable Anode (Ti/RuO2): Effects on Physical and Chemical Properties [PDF]

open access: yesMaterials Research
Metallic cobalt is valued for its thermal and corrosion resistance. In 2018, cobalt prices surged to 95,250 USD/t, fueled by the growing electric vehicle market.
Danielle Costal de Castro   +4 more
doaj   +1 more source

Influence of Magnetic Agitation and Bubble Stirring on Electrodeposited Copper in an Acidic CuSO4 Solution

open access: yesInternational Journal of Electrochemical Science, 2021
Electrochemical reduction is an effective method to transform Cu2+ ions into metallic Cu in aqueous solutions. Herein, magnetic agitation and flowing bubbles were introduced into the electrowinning process of Cu2+ ions in a CuSO4-H2SO4 electrolyte.
Changlu Shan   +3 more
doaj   +1 more source

Leaching and sequential electrowinning of Cu and Sn from silicon solar modules

open access: yesElectrochemistry Communications
Metal separation and recovery are a key aspect of silicon solar module recycling. This paper provides a fundamental understanding of the leaching and electrowinning in hydrochloric acid of two critical metals in silicon solar cells: copper and tin.
R. Adcock, T. Chen, N. Click, M. Tao
doaj   +1 more source

Effect of Thallium (I) Ions on the Zinc Electrowinning Process

open access: yesStudia Universitatis Babes-Bolyai Chemia
The effects of thallium(Ⅰ) ions on the surface morphology, cathode current efficiency, cathode potential, polarization behavior, and electrochemical impedance spectroscopy of zinc electrowinning were studied by scanning electron microscopy and ...
Ning YUAN   +6 more
doaj   +1 more source

Laser Preset of MnOx Layer on High‐Entropy Alloy Surface for Ampere‐Level Ultra‐Stable OER Performance

open access: yesAdvanced Science, EarlyView.
3D printing enables a high entropy alloy‐derived, in situ formed MnOx overlayer that suppresses oxidation–reconstruction and mitigates anodic dissolution, while enhancing electrolyte wetting and bubble release to accelerate interfacial mass transport and OER kinetics.
Benzhi Wang   +8 more
wiley   +1 more source

Digital Transformation on Green Operational Performance: Evidence From the E‐Waste Firm's Perspective

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Digital transformation (DT) is increasingly recognised as essential for improving environmental performance in process‐intensive and hazardous sectors; however, the mechanisms by which digitalisation translates into green operational performance (GOP) and environmental accountability remain insufficiently investigated, particularly in ...
Amila Kasun Sampath Udage Kankanamge   +2 more
wiley   +1 more source

Enhanced Mechanical Properties and Microstructure of Accumulative Roll-Bonded Co/Pb Nanocomposite

open access: yesNanomaterials, 2021
Lead composites have been used as anodes in the electrowinning process to produce metals such as copper and zinc. Manufacturing stable lead anodes with appropriate mechanical and chemical properties is required to improve the performance of the ...
Maryam Karbasi   +4 more
doaj   +1 more source

Lithium Metal Anode Fabrication: Methods, Challenges, and Strategies

open access: yesEcoEnergy, EarlyView.
Schematic illustration of four representative fabrication techniques for thin lithium metal anodes: extrusion, molten lithium infusion, electroplating, and physical vapor deposition (PVD). ABSTRACT The pursuit of ultra‐high energy‐dense lithium‐metal batteries (LMBs) has reignited the drive to fabricate ultrathin high‐quality lithium metal anodes. This
Ji Hyun Baek, Mi Ji Kang, Ho Won Jang
wiley   +1 more source

Home - About - Disclaimer - Privacy