Results 71 to 80 of about 162,670 (276)

Strain-dependent modeling of a mechano-electrochemical energy harvester based on carbon nanotube yarn

open access: yesScientific Reports
This paper introduces the electrochemical equivalent circuit model for a carbon nanotube (CNT) coiled yarn subjected to external mechanical deformation. The mechanically coiled CNT yarn electrode, with average coil diameters of 83 μm and 112 μm, operates
Yongjoo Ahn   +4 more
doaj   +1 more source

Impedance of a flow-through measuring electrochemical cell with a system of planar interdigitated microelectrodes [PDF]

open access: yesОмский научный вестник
The article considers a flow-through electrochemical cell with planar interdigitated microelectrodes intended for impedance studies of liquids. To assess the influence of the cell height and geometric parameters of the interdigitated microelectrodes ...
A. G. Kozlov, E. A. Fadina
doaj   +1 more source

Electrochemical Impedance Spectroscopy Part 1: Fundamentals

open access: yesElectrochemistry, 2022
Electrochemical impedance spectroscopy (EIS) enables the examination of the electrochemical nature of electrodes and electrochemical cells by applying an alternating voltage (or current) and measuring the resulting current (or voltage).
Kingo ARIYOSHI   +6 more
doaj   +1 more source

NanoMOF‐Based Multilevel Anti‐Counterfeiting by a Combination of Visible and Invisible Photoluminescence and Conductivity

open access: yesAdvanced Functional Materials, EarlyView.
This study presents novel anti‐counterfeiting tags with multilevel security features that utilize additional disguise features. They combine luminescent nanosized Ln‐MOFs with conductive polymers to multifunctional mixed‐matrix membranes and powder composites. The materials exhibit visible/NIR emission and matrix‐based conductivity even as black bodies.
Moritz Maxeiner   +9 more
wiley   +1 more source

Theoretical and Electrochemical Studies of Metformin as Corrosion Inhibitor for Mild Steel in Hydrochloric Acid Solution

open access: yesInternational Journal of Electrochemical Science, 2012
The effect of Metformin was investigated by gravimetric, potentiodynamic polarization and electrochemical impedance spectroscopy. Polarization results revealed that Metformin acted as mixed type inhibitors.
Ambrish Singh   +2 more
doaj   +1 more source

A bi-directional electrochemically driven micro liquid dosing system with integrated sensor/actuator electrodes [PDF]

open access: yes, 2000
In this contribution a micro liquid dosing system is presented, which allows bi-directional manipulation of fluids (i.e. pushing out and pulling in of liquids) by the electrochemical generation and removal of gas bubbles. Bi-directionality is obtained by
Bergveld, Piet   +2 more
core   +3 more sources

Synchrotron Radiation for Quantum Technology

open access: yesAdvanced Functional Materials, EarlyView.
Materials and interfaces underpin quantum technologies, with synchrotron and FEL methods key to understanding and optimizing them. Advances span superconducting and semiconducting qubits, 2D materials, and topological systems, where strain, defects, and interfaces govern performance.
Oliver Rader   +10 more
wiley   +1 more source

Enhancing Low‐Temperature Performance of Sodium‐Ion Batteries via Anion‐Solvent Interactions

open access: yesAdvanced Functional Materials, EarlyView.
DOL is introduced into electrolytes as a co‐solvent, increasing slat solubility, ion conductivity, and the de‐solvent process, and forming an anion‐rich solvent shell due to its high interaction with anion. With the above virtues, the batteries using this electrolyte exhibit excellent cycling stability at low temperatures. Abstract Sodium‐ion batteries
Cheng Zheng   +7 more
wiley   +1 more source

Application of the impedance model of de Levie for the characterization of porous electrodes [PDF]

open access: yes, 2002
From the de Levie's theory for a porous electrode, the impedance can be expressed in function of the cylindrical pore characteristics: the pore length, the pore radius and the number of pores.
Barcia, Oswaldo Esteves   +5 more
core   +2 more sources

Unlocking Ultra‐Long Cycle Stability of Li Metal Electrode by Separators Modified by Porous Red Phosphorus Nanosheets

open access: yesAdvanced Functional Materials, EarlyView.
Coating the standard polypropylene separator with a porous red phosphorous nanosheet greatly improves cycling performance in Li electrode cells. The phosphorus‐based surface chemistry deactivates electrolyte solvent decomposition and enhances the cleavage of F‐containing salt, resulting in an inorganic‐dominated electrolyte interphase (SEI) composition
Jiangpeng Wang   +9 more
wiley   +1 more source

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