نتایج جستجو برای: electrochemical process

تعداد نتایج: 1357059  

Journal: :Chemical communications 2007
A Mitelman M D Levi E Lancry E Levi D Aurbach

We report on a discovery of fast cathode materials, ternary Chevrel phases (CPs), CuyMo6S8, for rechargeable magnesium batteries; the related electrochemical process displays a unique coupling between reversible Mg insertion, and Cu extrusion/ reinsertion; this coupling results in an entirely new intercalation mechanism which combines the total chemical reversibility of the electrochemical reac...

Abdullah Mohamed Asiri Elsayed Hassan El-Mossalamy Ibrahim Shibl El-Hallag,

Diolefinic antibacterial laser dye namely 1,4-Bis[2-(4-Pyridyl) Vinyl] Benzene (4PVB)have been investigated electrochemically using cyclic voltammetry, chronoamperometry, convolution and deconvolution voltammetry combined with digital simulation techniques at a platinum electrode in 0.1 mol / L Tetra Butyl Ammonium Perchlorate (TBAP) in  solvent 1,2-dichloroethane.  The diolefinic ...

Journal: :Chemical communications 2018
Zengqing Zhuo Peng Lu Charles Delacourt Ruimin Qiao Kang Xu Feng Pan Stephen J Harris Wanli Yang

We report the first direct experimental evidence of the dynamic behavior of the solid-electrolyte-interphase (SEI) on copper electrodes upon electrochemical cycling. Synchrotron-based soft X-ray absorption spectroscopy (sXAS) and time-of-flight secondary ion mass spectrometry (TOF-SIMS) consistently show that both the chemical composition and the thickness of the SEI change with electrochemical...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2013
Jianbo Liu Yan Dong Jianbin Zheng Yaping He Qinglin Sheng

The conformation change of bovine hemoglobin (Hb) during the unfolding process induced by urea and acid was investigated by an electrochemical method. Hb unfolding induced by urea of different concentrations was realized by bonding Hb onto a 3-mercaptopropionic acid (MPA) modified gold electrode. The difference in unfolding percentage showed that the Hb unfolding induced by urea was a two-step,...

2005
Xuejun Chen Zhemin Shen Xiaolong Zhu Yaobo Fan Wenhua Wang

The treatment of textile wastewater for reuse using an electrochemical oxidation step combined with a membrane filtration step is reported in this paper. The electrolytical process is a traditional one, which is easy to scale up and to apply in practice. This paper proposes a modification of the transfer-flow membrane (TFM) module with fibres welded in an arc-shape to enhance the mechanical pro...

سمرقندی, محمد رضا, طرلانی آذر , منیره, لیلی, مصطفی, ملکی, سیما, هراتی, رویا,

Background and purpose: In oil and petrochemical industries, organic aromatic compounds such as furfural are produced on a large scale. They are degradable or act as a deterrent for biological systems. In order to generate sulfate radical (SO4), persulfate (S2O8-2, PS) is often activated by heat, UV irradiation and intermediate metals like iron ions. The aim of this study was to investigate the...

Roya Ranjineh Khojasteh

This study describes the effects of the substituents on electrochemical behavior and antioxidant activity of the three tetradentate Schiff bases, containing ethane-1,2- diamine, propane-1,3- diamine and butan-1,4- diamine as the amine part and salicylaldehyde, and corresponding Cd(II) complexes. Cyclic voltammograms of these compounds were recorded in dimethylsulfoxide and 0.1 M sodium perchlor...

Journal: :Chemical communications 2014
M McConville D F Bradley K Zhou D J Schiffrin I A O'Neil

A bifunctional molecular linker containing both aryl diazonium and trioxolane groups was synthesised and its ability to sequentially functionalise glassy carbon and covalently immobilise heme investigated. Functionalisation was demonstrated by electrochemical techniques.

Journal: :The Review of scientific instruments 2013
John M Gregoire Chengxiang Xiang Xiaonao Liu Martin Marcin Jian Jin

High throughput electrochemical techniques are widely applied in material discovery and optimization. For many applications, the most desirable electrochemical characterization requires a three-electrode cell under potentiostat control. In high throughput screening, a material library is explored by either employing an array of such cells, or rastering a single cell over the library. To attain ...

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