All Outputs (174)

Environmental and energy gains from using molten magnesium-sodium-potassium chlorides for electro-metallisation of refractory metal oxides (2015)
Journal Article

© 2015 The Authors. The molten eutectic mixture of magnesium, sodium and potassium chlorides (MgCl2-NaCl-KCl) has inappreciable solubility for oxide ions, and can help disengage a carbon anode from the oxide ions generated at a metal oxide cathode, a... Read More about Environmental and energy gains from using molten magnesium-sodium-potassium chlorides for electro-metallisation of refractory metal oxides.

Electrochemical manufacturing of nanocarbons from carbon dioxide in molten alkali metal carbonate salts: roles of alkali metal cations (2015)
Journal Article

Correlation of energy storage performance of supercapacitor with iso-propanol improved wettability of aqueous electrolyte on activated carbon electrodes of various apparent densities (2015)
Journal Article

© 2015 Elsevier Ltd. Addition of iso-propanol in the aqueous electrolyte of 1.0mol/L Na2SO4 was found to be most effective at about 8vol.% to minimise electrolyte surface tension, and hence maximise electrolyte wetting on a commercial supercapacitor... Read More about Correlation of energy storage performance of supercapacitor with iso-propanol improved wettability of aqueous electrolyte on activated carbon electrodes of various apparent densities.

Organoaqueous calcium chloride electrolytes for capacitive charge storage in carbon nanotubes at sub-zero-temperatures (2015)
Journal Article

© The Royal Society of Chemistry. Solutions of calcium chloride in mixed water and formamide are excellent electrolytes for capacitive charge storage in partially oxidised carbon nanotubes at unprecedented sub-zero-temperatures (e.g. 67% capacitance... Read More about Organoaqueous calcium chloride electrolytes for capacitive charge storage in carbon nanotubes at sub-zero-temperatures.

Cell voltage versus electrode potential range in aqueous supercapacitors (2015)
Journal Article

Supercapacitors with aqueous electrolytes and nanostructured composite electrodes are attractive because of their high charging-discharging speed, long cycle life, low environmental impact and wide commercial affordability. However, the energy capaci... Read More about Cell voltage versus electrode potential range in aqueous supercapacitors.

Supercapatteries with Hybrids of Redox Active Polymers and Nanostructured Carbons (2015)
Book Chapter

© 2015 Wiley-VCH Verlag GmbH & Co. KGaA. All rights reserved. This chapter considers the development and role of supercapatteries as practical energy storage devices for commercial development. Current battery technology can produce a high power de... Read More about Supercapatteries with Hybrids of Redox Active Polymers and Nanostructured Carbons.

Electrochemical preparation of fine powders of nickel-boron alloys in molten chlorides for magnetic hydrogenation catalysts (2015)
Journal Article

© The Author(s) 2015. Fine powders of magnetic nickel-boron alloys were prepared for the first time by direct electrochemical reduction of the 2Ni3(BO3)2/B2O3, Ni3(BO3)2/NiO and Ni3(BO3)2/3NiO composite precursors in molten CaCl2-NaCl at 700°C. Precu... Read More about Electrochemical preparation of fine powders of nickel-boron alloys in molten chlorides for magnetic hydrogenation catalysts.

Redox electrolytes in supercapacitors (2015)
Journal Article

© The Author(s) 2015. Most methods for improving supercapacitor performance are based on developments of electrode materials to optimally exploit their storage mechanisms, namely electrical double layer capacitance and pseudocapacitance. In such case... Read More about Redox electrolytes in supercapacitors.

The FFC Cambridge process and its relevance to valorisation of ilmenite and titanium-rich slag (2014)
Journal Article

© 2015 Institute of Materials, Minerals and Mining and The AusIMM. The Fray-Farthing-Chen (FFC) Cambridge process was patented in 1998 for low cost and clean electrochemical extraction of metals and synthesis of alloys directly from the mineral precu... Read More about The FFC Cambridge process and its relevance to valorisation of ilmenite and titanium-rich slag.

Titanium carbide nanocube core induced interfacial growth of crystalline polypyrrole/polyvinyl alcohol lamellar shell for wide-temperature range supercapacitors (2014)
Journal Article

This is the first investigation on electrically conducting polymers–based supercapacitor electrodes over a wide temperature range, from −18 °C to 60 °C. A high-performance supercapacitor electrode material consisting of TiC nanocube core and conforma... Read More about Titanium carbide nanocube core induced interfacial growth of crystalline polypyrrole/polyvinyl alcohol lamellar shell for wide-temperature range supercapacitors.

Investigation of electrochemical reduction of GeO2 to Ge in molten CaCl2-NaCl (2014)
Journal Article

Electrochemical reduction of solid GeO2 has been investigated in the mixed CaCl2-NaCl melt at 1023 K for developing a more efficient process for preparation of Ge. Cyclic voltammetry and potentiostatic electrolysis were applied to study the GeO2-load... Read More about Investigation of electrochemical reduction of GeO2 to Ge in molten CaCl2-NaCl.

Assessing the accuracy of loss estimation methods for supercapacitor energy storage devices operating under constant power cycling (2014)
Conference Proceeding

This paper assesses different energy loss estimation methods using the supercapacitor model parameters extracted from the electrochemical impedance spectroscopy (EIS). Two energy loss estimation methods are applied to two similar supercapacitors from... Read More about Assessing the accuracy of loss estimation methods for supercapacitor energy storage devices operating under constant power cycling.

Preparation of Mo nanopowders through electroreduction of solid MoS 2 in molten KCl–NaCl (2014)
Journal Article

Electro-deposition and re-oxidation of carbon in carbonate containing molten salts (2014)
Journal Article

Indirect electrochemical reduction of carbon dioxide to carbon nanopowders in molten alkali carbonates: Process variables and product properties (2014)
Journal Article

Carbon was deposited on a mild steel cathode during electrolysis in the molten mixture of Li2CO3 and K2CO3 (mole ratio: 62:38) under CO2 or mixed N2 and CO2 atmospheres at 3.0–5.0 V and 540–700 °C. In a three-electrode cell, cyclic voltammetry was ap... Read More about Indirect electrochemical reduction of carbon dioxide to carbon nanopowders in molten alkali carbonates: Process variables and product properties.

A sunlight assisted dual purpose photoelectrochemical cell for low voltage removal of heavy metals and organic pollutants in wastewater (2014)
Journal Article

Photoelectrochemical cells that consisted of a Pt (small cells) or Ti (large cells) cathode and a sunlight responsive WO3 photoanode were built for simultaneous removal of heavy metal ions and organic pollutants. Synthetic wastewater samples containi... Read More about A sunlight assisted dual purpose photoelectrochemical cell for low voltage removal of heavy metals and organic pollutants in wastewater.

Cryo-solvatochromism in ionic liquids (2014)
Journal Article

Cryo-solvatochromism (blue to green) in response to cooling from room temperature to well below 0 °C can have many applications, and has been achieved in an ionic liquid, 1-(2-hydroxyethyl)-3-methylimidazolium tetrafluoroborate, containing di-(1-buty... Read More about Cryo-solvatochromism in ionic liquids.

Carbon electrodeposition in molten salts: Electrode reactions and applications (2014)
Journal Article

The chemistry of carbon deposition in molten salts has been studied by a number of researchers with quite different interpretations of the reactions involved. This paper therefore reviews and discusses available literature on the cathodic and anodic... Read More about Carbon electrodeposition in molten salts: Electrode reactions and applications.

Achieving low voltage half electrolysis with a supercapacitor electrode (2013)
Journal Article

Half electrolysis consists of a single faradaic reaction and a supercapacitor electrode. The electrolytic product is only produced at the faradaic electrode and the low voltage electrolysis is highly energy efficient.

The Ionic Diffusion Model for the Solid Oxide Cathode and Its Verification by the Electrolysis of Ta2O5 in Molten CaCl2 (2013)
Journal Article

The deoxidation speed of a solid oxide cathode in molten CaCl2 can be estimated by the PRS steady diffusion model of O2, which correlates the deoxidation speed with the precursor porosity, P, the metal-to-oxide molar volume ratio, R, and the cathode... Read More about The Ionic Diffusion Model for the Solid Oxide Cathode and Its Verification by the Electrolysis of Ta2O5 in Molten CaCl2.