Degradation of atomically dispersed M-N-C carbon catalysts in acidic media. This project aims to provide a clear understanding of the degradation mechanisms of transition metal (M) and nitrogen (N) co-doped carbon (M-N-C) catalysts in acidic media by utilising new model catalysts, standardised degradation tests, comprehensive catalyst characterisation, and machine learning tools to interrogate mechanistic hypotheses and link degradation mechanisms to specific catalyst characteristics. This proje ....Degradation of atomically dispersed M-N-C carbon catalysts in acidic media. This project aims to provide a clear understanding of the degradation mechanisms of transition metal (M) and nitrogen (N) co-doped carbon (M-N-C) catalysts in acidic media by utilising new model catalysts, standardised degradation tests, comprehensive catalyst characterisation, and machine learning tools to interrogate mechanistic hypotheses and link degradation mechanisms to specific catalyst characteristics. This project expects to generate new knowledge on rationally designing robust hydrogen fuel cell catalysts. This will provide significant benefits, such as new knowledge on catalyst degradation, new catalysts for energy conversion applications, and collaborations with the industry to accelerate Australia’s shift to renewable energy.Read moreRead less
Charge transfer kinetics at nanostructured semiconductor surfaces. This project aims to enhance understanding of the interface science associated with charge-transfer reactions at nanostructured semiconductor surfaces. Experimental and modelling approaches will be used to unravel the contributions of surface wetting and nanostructure geometry to the kinetics of charge transfer reactions at the surfaces. Expected outcomes include an enhanced capacity to engineer nanostructured semiconductor surf ....Charge transfer kinetics at nanostructured semiconductor surfaces. This project aims to enhance understanding of the interface science associated with charge-transfer reactions at nanostructured semiconductor surfaces. Experimental and modelling approaches will be used to unravel the contributions of surface wetting and nanostructure geometry to the kinetics of charge transfer reactions at the surfaces. Expected outcomes include an enhanced capacity to engineer nanostructured semiconductor surfaces for designed functionality and an extended collaborative network which can collectively address significant problems in energy science. It is anticipated that these outcomes will be realised in reliable, low-cost metallisation for silicon photovoltaics and increased power densities for electrochemical storage systems.Read moreRead less
Hydrogen fuel cells with non-precious metal cathode catalysts. Low-cost and robust fuel cell technology is a cornerstone towards the success of the hydrogen economy. The project aims to address the cost and durability of hydrogen fuel cells by advancing low-cost electrocatalysts for oxygen reduction reactions. Novel non-precious catalysts will be developed, and their stability understood in fuel cells using a new approach with in situ current mapping and X-ray computed tomography. The expected ....Hydrogen fuel cells with non-precious metal cathode catalysts. Low-cost and robust fuel cell technology is a cornerstone towards the success of the hydrogen economy. The project aims to address the cost and durability of hydrogen fuel cells by advancing low-cost electrocatalysts for oxygen reduction reactions. Novel non-precious catalysts will be developed, and their stability understood in fuel cells using a new approach with in situ current mapping and X-ray computed tomography. The expected outcomes of this project include material development, improved characterisation techniques and new knowledge on electrocatalysis. The project will benefit Kohodo Hydrogen Energy by positioning them as an Australian leader in low-cost catalysts, and to Australian industries in developing the hydrogen economy. Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE230100637
Funder
Australian Research Council
Funding Amount
$428,154.00
Summary
An integrated electrolyser for CO2 conversion from capture media. This project aims to develop an efficient electrochemical method to convert carbon dioxide (CO2) to valuable chemicals. It expects to displace the energy-costly step of its upstream CO2 capture process. The key novelty is the use of flow-through electrodes and optimal solvents to promote CO2 conversion at high rates. Expected outcomes include enhanced efficiency of CO2 sequestration, and new techniques to develop electrodes with w ....An integrated electrolyser for CO2 conversion from capture media. This project aims to develop an efficient electrochemical method to convert carbon dioxide (CO2) to valuable chemicals. It expects to displace the energy-costly step of its upstream CO2 capture process. The key novelty is the use of flow-through electrodes and optimal solvents to promote CO2 conversion at high rates. Expected outcomes include enhanced efficiency of CO2 sequestration, and new techniques to develop electrodes with well-controlled local reaction environments, which are essential for electrochemical energy conversion and storage. This will benefit Australia's environment and industries such as cement and aluminium manufacturing in managing carbon emissions, and accelerate Australia’s transition to a carbon-neutral economy.Read moreRead less
Advanced electrocatalysts for ammonia synthesis with validated analysis. Ammonia is one of the most produced chemicals worldwide but current manufacturing industries consume massive amounts of energy and emit harmful greenhouse gases. This project aims to develop a sustainable electrochemical system for ammonia synthesis using electricity and atmospheric nitrogen. A family of porous catalysts with nanoconfined ionic liquids will be developed to drive nitrogen reduction by enhancing the reaction ....Advanced electrocatalysts for ammonia synthesis with validated analysis. Ammonia is one of the most produced chemicals worldwide but current manufacturing industries consume massive amounts of energy and emit harmful greenhouse gases. This project aims to develop a sustainable electrochemical system for ammonia synthesis using electricity and atmospheric nitrogen. A family of porous catalysts with nanoconfined ionic liquids will be developed to drive nitrogen reduction by enhancing the reaction kinetics. Rigorous experimental protocols and novel analytical methods will be developed for quantification of electro-synthesised ammonia. A prototype gas diffusion layer-assisted electrolyser will be demonstrated by coupling with oxygen evolution reactions for selective ammonia synthesis at a reasonable production rate.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE210101565
Funder
Australian Research Council
Funding Amount
$423,193.00
Summary
An Emerging Ionic Chalcogenide Perovskites for Solar Energy Conversion. This project aims to develop a library of earth-abundant chalcogenide perovskite nanocrystals (CPNCs) for efficient solar energy conversion applications. The key concept is to design non-toxic and stable CPNCs using a facile solution process for solar-to-electricity and fuel generation. The intended outcomes include a fundamental understanding of the relationships between the synthesis, structure, photophysics, and electroch ....An Emerging Ionic Chalcogenide Perovskites for Solar Energy Conversion. This project aims to develop a library of earth-abundant chalcogenide perovskite nanocrystals (CPNCs) for efficient solar energy conversion applications. The key concept is to design non-toxic and stable CPNCs using a facile solution process for solar-to-electricity and fuel generation. The intended outcomes include a fundamental understanding of the relationships between the synthesis, structure, photophysics, and electrochemistry by advanced modeling and multiscale characterizations and ultimately the solar-to-electricity and fuel generation performances of new material systems. This project will build a national research capacity in an emerging field and put Australia at the forefront of practical solar energy conversion technologies.Read moreRead less
Anion Exchange Membrane Water Electrolysis for Clean Hydrogen Production. Low-cost and robust water electrolysis technology is a cornerstone towards the success of the hydrogen economy. This project aims to develop next generation anion exchange membrane water electrolyser technologies for low-cost and high-efficiency clean hydrogen production and renewable energy storage. Novel non-precious transition metal-based catalysts with high intrinsic activity, large surface area and super-hydrophilic s ....Anion Exchange Membrane Water Electrolysis for Clean Hydrogen Production. Low-cost and robust water electrolysis technology is a cornerstone towards the success of the hydrogen economy. This project aims to develop next generation anion exchange membrane water electrolyser technologies for low-cost and high-efficiency clean hydrogen production and renewable energy storage. Novel non-precious transition metal-based catalysts with high intrinsic activity, large surface area and super-hydrophilic surfaces will be developed, and their mechanism and stability within membrane electrode assemblies understood by using operando spectroscopy, electrochemistry and 3D X-ray imaging characterisations. An efficient anion exchange membrane water electrolyser prototype made entirely of non-precious materials is to be devised. Read moreRead less
High Efficiency Electrochemical Cells. This project will study a recently developed, energy efficient ‘capillary-fed’ electrochemical cell architecture in the facilitation of various electro-energy and electro-synthetic transformations. The new cell architecture will be examined as a hydrogen-oxygen fuel cell and as a cell for extracting pure hydrogen from a 5-10% mixture of hydrogen in methane (natural gas), amongst others. The work seeks to improve upon the electrochemical performance of the b ....High Efficiency Electrochemical Cells. This project will study a recently developed, energy efficient ‘capillary-fed’ electrochemical cell architecture in the facilitation of various electro-energy and electro-synthetic transformations. The new cell architecture will be examined as a hydrogen-oxygen fuel cell and as a cell for extracting pure hydrogen from a 5-10% mixture of hydrogen in methane (natural gas), amongst others. The work seeks to improve upon the electrochemical performance of the best commercial and academic cells of such types, if possible. In increasing the efficiency with which renewable electricity can be converted into renewable hydrogen and back, this project will support the national priority of net-zero carbon emissions by 2050.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE210100084
Funder
Australian Research Council
Funding Amount
$269,020.00
Summary
Flexible Flame Aerosol Synthesis Technology. Funding is requested to establish a world-leading fabrication facility for nanostructured materials via flame synthesis. This is a scalable fabrication route used for industrial production of most nanoparticle commodities. The aim is to advance current capabilities by providing control over the reaction environment and flame reaction sources. This will extend the range of feasible materials from the current metal oxides to a broad family of nitrides, ....Flexible Flame Aerosol Synthesis Technology. Funding is requested to establish a world-leading fabrication facility for nanostructured materials via flame synthesis. This is a scalable fabrication route used for industrial production of most nanoparticle commodities. The aim is to advance current capabilities by providing control over the reaction environment and flame reaction sources. This will extend the range of feasible materials from the current metal oxides to a broad family of nitrides, sulphides, and metal-organic frameworks, enabling the engineering of electrocatalysts, optoelectronic- and bio-materials. Benefits are expected in terms of fundamental and applied knowledge generation, with impact to the Australian industry sectors of Advanced Manufacturing, Energy and Health.Read moreRead less
Understanding how nanoconfinement can enhance electrochemical reactions. The aim of this project will be to develop a far greater understanding of the impact of nanoconfinement in electrochemistry. The project will generate this knowledge by fabricating electrodes with well-defined nanoconfined spaces coupled with molecular dynamic and continuum simulations of the electrochemical systems. The expected outcomes will be an understanding the impact of dimensions of the nanoconfined spaces, the surf ....Understanding how nanoconfinement can enhance electrochemical reactions. The aim of this project will be to develop a far greater understanding of the impact of nanoconfinement in electrochemistry. The project will generate this knowledge by fabricating electrodes with well-defined nanoconfined spaces coupled with molecular dynamic and continuum simulations of the electrochemical systems. The expected outcomes will be an understanding the impact of dimensions of the nanoconfined spaces, the surface chemistry of these spaces and the electrolyte solution, a comprehensive understanding of nanoconfinement in electrochemistry. The benefits will be a dramatic improvement in the performance of electrochemical technologies for electrocatalysis, energy storage and sensing.Read moreRead less