نتایج جستجو برای: metal electrode

تعداد نتایج: 255952  

Journal: :Talanta 1979
J F Tyson T S West

An apparatus has been built with which the intensity of a light-beam passing at grazing incidence over a platinum electrode can be monitored. The absorption of light which occurs during the electrolysis of dilute aqueous metal ion solutions has been studied as a function of a number of parameters including wavelength, potential difference and concentration. The theories of metal deposition and ...

Journal: :Chemical communications 2015
Liang Zeng Koji Kawahito Suguru Ikeda Takayuki Ichikawa Hiroki Miyaoka Yoshitsugu Kojima

Electrode performances of MgH2-LiBH4 composite materials for lithium-ion batteries have been studied using LiBH4 as the solid-state electrolyte, which shows a high reversible capacity of 1650 mA h g(-1) with an extremely low polarization of 0.05 V, durable cyclability and robust rate capability.

2008
A. Widom

Hagelstein and Chaudhary have recently criticized our low energy nuclear reaction rates in chemical cells based on our computed electron mass renormalization for surface electrons of metal hydride electrodes. They further criticize our electron mass renormalization in exploding wire systems which is very strange because mass renormalization was never even mentioned in our exploding wire work. H...

2008
Guido GERRA

The integration of ferroelectrics in electronic devices requires that they be used in the form of thin films, which implies that for such systems finite-size effects related to the presence of a ferroelectric-electrode interface become important. In this thesis, a number of theoretical studies are presented on the properties of metal-ferroelectric-metal structures, focusing on the impact of the...

Journal: :Nano letters 2008
Peter Blake Paul D Brimicombe Rahul R Nair Tim J Booth Da Jiang Fred Schedin Leonid A Ponomarenko Sergey V Morozov Helen F Gleeson Ernie W Hill Andre K Geim Kostya S Novoselov

Graphene is only one atom thick, optically transparent, chemically inert, and an excellent conductor. These properties seem to make this material an excellent candidate for applications in various photonic devices that require conducting but transparent thin films. In this letter, we demonstrate liquid crystal devices with electrodes made of graphene that show excellent performance with a high ...

2016
Yu Zhong Xinhui Xia Fan Shi Jiye Zhan Jiangping Tu Hong Jin Fan

High-performance electrode materials are the key to advances in the areas of energy conversion and storage (e.g., fuel cells and batteries). In this Review, recent progress in the synthesis and electrochemical application of transition metal carbides (TMCs) and nitrides (TMNs) for energy storage and conversion is summarized. Their electrochemical properties in Li-ion and Na-ion batteries as wel...

The electrocoagulation/flotation process is a novel approach in mining industry that is implemented to return Cu metal to the production cycle, which improves copper recovery and reduces waste water. In this research work, the response surface methodology was applied to optimize the factors effective in Cu metal recovery and sludge volume produced from thickener overflow. To this end, the D-opt...

Journal: :Physical review letters 2011
Youngsang Kim Hyunwook Song Florian Strigl Hans-Fridtjof Pernau Takhee Lee Elke Scheer

The changes of molecular conformation, contact geometry, and metal-molecule bonding are revealed by inelastic-electron-tunneling spectroscopy measurements characterizing the molecular vibrational modes and the metal-phonon modes in alkanedithiol molecular junctions at low temperature. Combining inelastic-electron-tunneling spectroscopy with mechanical control and electrode material variation (A...

Journal: :Analytical chemistry 2008
Vanessa Oklejas Rory H Uibel Robert Horton Joel M Harris

Surface-enhanced Raman scattering (SERS) spectra of a metal-complexing ligand, immobilized to a silver electrode surface, exhibits significant structural changes upon application of modest potentials. A detailed spectroscopic investigation shows that the potential applied to the electrode surface governs the tautomerization equilibrium of the immobilized ligand, p-((8-hydroxyquinoline)azo)benze...

Journal: :Symmetry 2023

The layered van der Waals CuInP2S6 (CIPS) features interesting functional behaviors, including reversible ferroelectric polarization, Cu ion migration, negative capacitance effect, etc. Here, the CIPS flakes were exfoliated from CVT-grown high-quality single crystals, which fabricated into metal/CIPS/metal heterostructures by conventional photolithography. It was found that persisted in dominan...

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