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Zincophilic CuO as electron sponge to facilitate dendrite-free zinc-based flow battery.
Nat Commun
January 2025
Energy Storage Research Department, Korea Institute of Energy Research (KIER), Daejeon, 34129, Republic of Korea.
Zinc (Zn)-based batteries have been persistently challenged by the critical issue of inhomogeneous zinc deposition/stripping process on substrate surface. Herein, we reveal that zinc electrodeposition behaviors dramatically improved through the introduction of highly zincophilic copper oxide nanoparticles (CuO NPs). Strong electronic redistribution between Zn and CuO explains the high Zn affinity on CuO, with negligible nucleation overpotential.
View Article and Find Full Text PDFEffect of growth dynamics on the structural, photophysical and pseudocapacitance properties of famatinite copper antimony sulphide colloidal nanostructures (including nanosheets).
Dalton Trans
January 2025
Department of Nanoengineering, Joint School of Nanoscience and Nanoengineering, North Carolina A&T State University, 2907 East Gate City Boulevard, Greensboro, NC 27401, USA.
Facile phase selective synthesis of copper antimony sulphide (CAS) nanostructures is important because of their tunable photoconductive and electrochemical properties. In this study, off-stoichiometric famatinite phase CAS (CAS) quasi-spherical and quasi-hexagonal colloidal nanostructures (including nanosheets) of sizes, 2.4-18.
View Article and Find Full Text PDFSodium Trithiocarbonate as a Promising Sulfidizing Agent for Efficient and Green Recovery of Azurite: Flotation Properties and Interaction Mechanism.
Langmuir
January 2025
Faculty of Land Resources Engineering, Kunming University of Science and Technology, Kunming 650093, China.
The sulfidization-xanthate flotation process has been used commercially with some success in recovering azurite, but it remains unsatisfactory in terms of the environmental impact and flotation index. To remediate these deficiencies, this study evaluated the flotation performance of sodium trithiocarbonate (NaCS) as a green sulfidizing agent for azurite. Flotation test results demonstrated that NaCS has the same efficacy as sodium sulfide but markedly superior activation performance.
View Article and Find Full Text PDFSingle-cell phenotyping of extracellular electron transfer via microdroplet encapsulation.
Appl Environ Microbiol
January 2025
McKetta Department of Chemical Engineering, The University of Texas at Austin, Austin, Texas, USA.
Electroactive organisms contribute to metal cycling, pollutant removal, and other redox-driven environmental processes via extracellular electron transfer (EET). Unfortunately, developing genotype-phenotype relationships for electroactive organisms is challenging because EET is necessarily removed from the cell of origin. Microdroplet emulsions, which encapsulate individual cells in aqueous droplets, have been used to study a variety of extracellular phenotypes but have not been applied to investigate EET.
View Article and Find Full Text PDFClinical Problem Solving: Two Patients With Gait Instability and Difficulty With Hand Coordination.
Neurohospitalist
January 2025
Instructor in Neurology, Harvard Medical School and Attending Physician, Stroke Division, Brigham & Women's Hospital, Boston, MA, USA.
Subacute-to-chronic gait instability has a broad differential diagnosis. The neurological exam can help elucidate the localization and suggest an underlying etiology of the symptomatology, which can lead to a more focused diagnostic approach. Two patients are described - 1 with a month of worsening difficulty with ambulation that evolved to bilateral hand discoordination and another with 18 months of progressive difficulty with ambulation that also then progressed to involve her bilateral hands.
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