- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Supercapacitor Materials and Fabrication
- Graphene research and applications
- MXene and MAX Phase Materials
- ZnO doping and properties
- Advanced Battery Technologies Research
- Extraction and Separation Processes
- Electrocatalysts for Energy Conversion
- Boron and Carbon Nanomaterials Research
- Transition Metal Oxide Nanomaterials
- Catalytic Processes in Materials Science
- Diamond and Carbon-based Materials Research
- Advanced Photocatalysis Techniques
- 2D Materials and Applications
- Thermal Expansion and Ionic Conductivity
- Advanced battery technologies research
- Copper-based nanomaterials and applications
- Gas Sensing Nanomaterials and Sensors
- Fuel Cells and Related Materials
- TiO2 Photocatalysis and Solar Cells
- Advanced Memory and Neural Computing
- Advanced Sensor and Energy Harvesting Materials
- Catalysis and Hydrodesulfurization Studies
- Gold and Silver Nanoparticles Synthesis and Applications
Australian National University
2007-2025
Battery Park
2025
Canberra (United Kingdom)
2019-2021
The University of Melbourne
2017-2019
Deakin University
2010-2019
National Student Clearinghouse Research Center
2019
Geelong Hospital
2016
Melbourne Centre for Nanofabrication
2014-2015
Universitat de Vic - Universitat Central de Catalunya
2014
Novosibirsk State Technical University
2008
Mechanical cleavage by Scotch tape was the first method to produce graphene and is still widely used in laboratories. However, a critical problem of this extremely low yield. We have tailored ball milling conditions gentle shear forces that high quality boron nitride (BN) nanosheets yield efficiency. The in-plane structure BN has not been damaged as shown near edge X-ray absorption fine measurements. benzyl benzoate acts agent reduce impacts contamination. This applicable any layered...
An anode based on the tetragonal tin (Sn) phase that can alloy electrochemically with potassium is demonstrated for potassium-ion batteries.
Abstract Anode materials that operate via the alloying–dealloying reaction mechanism are well known in established and maturing battery systems such as lithium‐ion sodium‐ion batteries. Recently, a new type of metal‐ion utilizes K + ions its operating principle has attracted significant attention due to possibility building high voltage cells using an abundant potassium ionic shuttle. Establishing promising electrode is paramount importance for this battery. This feature article summarizes...
Phosphorus–carbon nanocomposites were evaluated as anodes for both lithium-ion and sodium-ion batteries. The composites provide attractive capacities based on alloying–dealloying operating mechanism but their cyclic performance depends significantly the potential window.
Potassium electrochemistry of a battery anode based on black phosphorus is reported. The component operates <italic>via</italic> electrochemical alloying with potassium and has theoretical capacity 843 mA h g<sup>−1</sup>.
A comprehensive review of current developments in flexible fluoropolymer-based piezoelectric generators for sustainable energy harvesting.
An anode material incorporating a sulfide is reported. SnS2 nanoparticles anchored onto reduced graphene oxide are produced via chemical route and demonstrate an impressive capacity of 350 mA h g-1, exceeding the graphite. These results open door for new class high materials (based on chemistry) potassium-ion batteries.
We report subnanometer modification enabled by an ultrafine helium ion beam. By adjusting dose and the beam profile, structural defects were controllably introduced in a few-layer molybdenum disulfide (MoS2) sample its stoichiometry was modified preferential sputtering of sulfur at few-nanometer scale. Localized tuning resistivity MoS2 demonstrated semiconducting, metallic-like, or insulating material obtained irradiation with different doses He+. Amorphous MoSx metallic behavior has been...
Controlling mechanochemistry by varying milling conditions.
A molten salt precipitation method in conjunction with low energy ball milling is used to produce the hybrid Co 3 O 4 –Fe 2 /C anode attractive electrochemical performance K-ion and Na-ion batteries.
Technological and scientific challenges coupled with environmental considerations have attracted a search for robust, green energy-efficient synthesis processing routes advanced functional nanomaterials. In this article, we demonstrate high-energy ball milling technique large-scale of nitrogen doped carbon nanoparticles, which can be used as an electro-catalyst oxygen reduction reactions after structural refinement controlled thermal annealing. The resulting nanoparticles exhibited...
Although tailored wet ball milling can be an efficient method to produce a large quantity of two-dimensional nanomaterials, such as boron nitride (BN) nanosheets, parameters including speed, ball-to-powder ratio, size and agent, are important for optimization exfoliation efficiency production yield. In this report, we systematically investigate the effects different on BN nanosheets with benzyl benzoate being used agent. It is found that small balls 0.1–0.2 mm in diameter much more effective...
Vanadium nitride (VN) is currently one of the most promising materials for electrodes supercapacitors. The structure and electrochemical properties VN synthesized by temperature-programmed NH3 reduction V2O5 are analyzed in this paper. produced via route has distinctive structural characteristics. mimics shape initial precursor indicating a pronounced direct attachment grains. particles have domains grains with preferential orientation (texture). large volume pores represented range 15−110...
The electrochemical behaviour of Co<sub>3</sub>O<sub>4</sub>with sodium is reported here.
A MoO3–carbon nanocomposite was synthesized from a mixture of MoO3 and graphite by controlled ball milling procedure. The as-prepared product consists nanosized particles (2–180 nm) homogeneously distributed in carbon matrix. acts as high capacity anode material for lithium-ion batteries exhibits good cyclic behavior. Its initial exceeds the theoretical 745 mA h g−1 (1 : 1 weight), stable 700 (94% capacity) is still retained after 120 cycles. electrode performance linked with unique...
Abstract 2D transition metal carbides and nitrides called “MXene” are recent exciting additions to the nanomaterials family. The high electrical conductivity, specific capacitance, hydrophilic nature of MXenes rival many other nanosheets have made excellent candidates for diverse applications including energy storage, electromagnetic shielding, water purification, photocatalysis. However, MXene degrade relatively quickly in presence oxygen, imposing great processing challenges various...
Materials that alloy with lithium (Si, Ge, Sn, Sb, and P) are considered as alternatives to graphitic anodes in lithium-ion batteries. Their practical use is precluded by large volume changes (200–370%) during cycling. Embedding nanoparticles into carbon being investigated a way tackle that, ball milling emerging technique prepare nanocomposites enhanced capacity cyclic stability. Using Sb model system, we investigate the preparation of Sb–carbon using reconfigurable mill. Four distinctive...
This perspective discusses how the tool of pre-sodiation can improve sodium-based electrochemical cells; pros and cons available methods are then evaluated.
Indium oxide (In2O3) is a widely used catalyst for CO2 reduction, yet its inherent properties, such as wide band gap and low-active surface, necessitate modification to achieve broad-wavelength absorption enhanced surface activity. However, simultaneously achieving these goals through single material modulation approach remains challenging. Here, we present simple innovative strategy develop black catalyst, BixIn2–xO3–y, comprising notably low-coordinated bismuth on oxygen-defect-laden...
To increase the energy density of lithium batteries, development high-capacity positive electrode materials is essential. Herein, we propose use a three-electron redox reaction Mo3+/Mo6+ for new series insertion materials. In this study, binary system LiMoO2–Li3NbO4 targeted, and nanosize metastable Li9/7Nb2/7Mo3/7O2 successfully prepared by mechanical milling process. The sample delivers large reversible capacity ∼280 mAh g–1 in Li cell with good retention. On basis these results, future...
Sodium-ion batteries are in the spotlight as viable alternatives to lithium-ion stationary storage and power grid applications. Among possible anode materials, Sb is one of interesting candidates due a combination battery-type potential plateaus charge–discharge profiles, high capacity (theoretical 660 mAh g–1), demonstrated good cyclic stability. The influence particle size (particularly at nanoscale range) composition Sb-carbon composites on electrode performance, stability, charge...