Blar i Institutt for materialteknologi på tidsskrift "Electrochimica Acta"
Viser treff 1-20 av 21
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A microfluidic electrochemical cell with integrated PdH reference electrode for high current experiments
(Journal article; Peer reviewed, 2016)An on-chip thin-film palladium hydride reference electrode is described for use with microfluidic electrochemical cells. A Pd electrode fabricated by photolithographic methods is charged with hydrogen in-situ with a simple ... -
Construction of three-dimensional MnO2/Ni network as an efficient electrode material for high performance supercapacitors
(Peer reviewed; Journal article, 2020)With the rapid growing interest and the usage of smart electronics devices, a considerable attention has been paid to improve the performance of energy storage devices. Herein, the 3D-MnO2/Ni electrode was fabricated using ... -
Dynamic electrochemical impedance spectroscopy, for electrocatalytic reactions
(Journal article; Peer reviewed, 2014)Dynamic electrochemical impedance spectroscopy with the ac signal applied while sweeping the potential is a powerful method to study reaction mechanisms of surface electrochemical reactions. The ability to reliably measure ... -
Dynamic electrochemical impedance study of methanol oxidation at Pt at elevated temperatures
(Journal article; Peer reviewed, 2019)The methanol oxidation reaction (MOR) is studied at temperatures up to 140 °C by a combination of cyclic voltammetry, chronoamperometry, and dynamic electrochemical impedance spectroscopy (dEIS). A mechanistic analysis of ... -
Flame-made Lithium Transition Metal Orthosilicates
(Journal article; Peer reviewed, 2016)Li2MSiO4 (M = Fe, Mn, Co) compounds have since their discovery gained increased attention as alternative, inexpensive and inherently safe positive electrodes for Li-ion batteries. To meet the required performance for an ... -
Generator-Sensor Impedance at Double Channel Electrodes
(Journal article; Peer reviewed, 2017)A method for measuring downstream concentration effects through electrochemical impedance spectroscopy at double channel electrodes is demonstrated. An ac current perturbation is applied at an upstream working electrode ... -
In situ and operando observation of surface oxides during oxygen evolution reaction on copper
(Journal article; Peer reviewed, 2017)Formation and dissolution of oxide on copper under transpassive conditions, i.e. during OER and transpassive dissolution, in alkaline electrolyte was investigated by a combination of electrochemical techniques and in situ ... -
Long-term stability of screen-printed pseudo-reference electrodes for electrochemical biosensors
(Journal article; Peer reviewed, 2018)Pseudo reference electrodes forms an essential part of electrochemical transducers, where they are used to maintain a reference potential for the system. Yet, little is known about their long-term stability, and any drift ... -
Mass-transport impedance at channel electrodes: Accurate and approximate solutions
(Journal article; Peer reviewed, 2016)Accurate numerical electrochemical impedance spectra at channel electrodes are obtained using commercial finite element method software. These agree with experimental measurements on the hexaammineruthenium(II/III) reversible ... -
Method for studying high temperature aqueous electrochemical systems: Methanol and glycerol oxidation
(Journal article; Peer reviewed, 2016)A method for high purity aqueous electrochemical experiments at temperatures above the normal boiling point of water and at temperatures up to 140 °C is described. A three-electrode cell in a self-pressurized glass autoclave ... -
Modelling capacity fade in silicon-graphite composite electrodes for lithium-ion batteries
(Peer reviewed; Journal article, 2021)Silicon-based composite electrodes in lithium ion batteries attract increasing attention because of their high theoretical capacity. Here, numerical simulations are used to better understand the interplay between electrochemical ... -
Ni/NiO nanosheets for alkaline hydrogen evolution reaction: In situ electrochemical-Raman study
(Journal article; Peer reviewed, 2020)Nickel/Nickel oxide (Ni/NiO) nanosheets heterostructure is a cheap and active catalyst for hydrogen evolution reaction (HER) in alkaline electrolytes. However, the reason for this activity is still under debate. Herein ... -
NiCu mixed metal oxide catalyst for alkaline hydrogen evolution in anion exchange membrane water electrolysis
(Peer reviewed; Journal article, 2021)We report on the optimization of nickel-copper catalysts for superior performance as a cathode catalyst in anion exchange membrane (AEM) water electrolysis. The bifunctional system of NiCu mixed metal oxide (MMO) nanosheets ... -
Sandblasting effect on performance and durability of Ti based IrO2 –Ta2O5 anode in acidic solutions
(Journal article; Peer reviewed, 2018)The effect of applying sandblasting during pretreatment while preparing titanium based IrO2 – Ta2O5 anodes by the conventional method was investigated. It was observed that sandblasting influences the surface morphology ... -
Seebeck coefficients of cells with lithium carbonate and gas electrodes
(Journal article; Peer reviewed, 2015)The Seebeck coefficient is reported for thermoelectric cells with gas electrodes and a molten electrolyte of one salt, lithium carbonate, at an average temperature of 750 °C. We show that the coefficient, which is 0.88 mV ... -
Seebeck coefficients of cells with molten carbonates relevant for the metallurgical industry
(Journal article; Peer reviewed, 2015)We report Seebeck coefficients of electrochemical cells with molten carbonate mixtures as electrolytes and carbon dioxide|oxygen electrodes. The system is relevant for use of waste heat and off-gases with concentration of ... -
The Influence of Catalyst Layer Thickness on the Performance and Degradation of PEM Fuel Cell Cathodes with Constant Catalyst Loading
(Journal article, 2017)Three catalytic layers containing Pt nanoparticles supported on high surface area carbon of different Pt loading but with the same total amount of platinum and therefore of different thickness were employed as cathode ... -
Transmission Spectra of an Electrochromic Window based on Polyaniline, Tungsten Oxide and a Solid Polymer Electrolyte
(Journal article; Peer reviewed, 1992)An electrochromic window was fabricated by combining polyaniline and tungsten oxide with a solid polymer electrolyte binding the two electrochromic materials together. Polyaniline and tungsten oxide were deposited ... -
Transmission Spectra of an Electrochromic Window consisting of Polyaniline, Prussian Blue and Tungsten Oxide
(Journal article; Peer reviewed, 1993)Energy savings in buildings can be achieved by using electrochromic windows which change colour by the application of an external voltage. We have studied an electrochromic window by combining polyaniline (PANI), prussian ... -
Understanding reaction mechanisms using dynamic electrochemical impedance spectroscopy: Methanol oxidation on Pt
(Journal article; Peer reviewed, 2019)Data from a combined cyclic voltammetry and dynamic electrochemical impedance spectroscopy (dEIS) study of the methanol oxidation reaction (MOR) at high temperatures was revisited using a new method for mechanistic modeling. ...