ORCID Profile
0000-0001-5244-9836
Current Organisation
UNSW Sydney
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Nanomaterials | Functional Materials | Energy Generation, Conversion and Storage Engineering | Materials Engineering
Expanding Knowledge in the Chemical Sciences | Renewable Energy not elsewhere classified | Expanding Knowledge in Engineering |
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C5MH00246J
Abstract: Nanostructured sulfur host materials that embrace both high electronic conductivity and strong chemisorption towards polysulfides are central to enable high performance Li–S batteries.
Publisher: American Chemical Society (ACS)
Date: 20-01-2015
DOI: 10.1021/CM504058K
Publisher: American Chemical Society (ACS)
Date: 23-11-2015
Publisher: American Chemical Society (ACS)
Date: 29-01-2019
Publisher: Wiley
Date: 04-02-2015
Abstract: Energy storage technology has received significant attention for portable electronic devices, electric vehicle propulsion, bulk electricity storage at power stations, and load leveling of renewable sources, such as solar energy and wind power. Lithium ion batteries have dominated most of the first two applications. For the last two cases, however, moving beyond lithium batteries to the element that lies below-sodium-is a sensible step that offers sustainability and cost-effectiveness. This requires an evaluation of the science underpinning these devices, including the discovery of new materials, their electrochemistry, and an increased understanding of ion mobility based on computational methods. The Review considers some of the current scientific issues underpinning sodium ion batteries.
Publisher: American Chemical Society (ACS)
Date: 05-02-2019
Publisher: American Chemical Society (ACS)
Date: 12-2020
Publisher: Elsevier BV
Date: 03-2015
Publisher: Elsevier BV
Date: 08-2013
Publisher: Cambridge University Press (CUP)
Date: 2020
DOI: 10.1017/S0950268820001028
Abstract: We report two cases of respiratory toxigenic Corynebacterium diphtheriae infection in fully vaccinated UK born adults following travel to Tunisia in October 2019. Both patients were successfully treated with antibiotics and neither received diphtheria antitoxin. Contact tracing was performed following a risk assessment but no additional cases were identified. This report highlights the importance of maintaining a high index of suspicion for re-emerging infections in patients with a history of travel to high-risk areas outside Europe.
Publisher: Elsevier BV
Date: 2023
Publisher: Wiley
Date: 11-10-2020
Publisher: American Chemical Society (ACS)
Date: 13-02-2023
Publisher: Wiley
Date: 06-10-2017
Publisher: American Chemical Society (ACS)
Date: 03-06-2015
DOI: 10.1021/ACS.JPCLETT.5B00721
Abstract: The development of nonaqueous Li-oxygen batteries, which relies on the reversible reaction of Li + O2 to give lithium peroxide (Li2O2), is challenged by several factors, not the least being the high charging voltage that results when carbon is typically employed as the cathode host. We report here on the remarkably low 3.2 V potential for Li2O2 oxidation on a passivated nanostructured metallic carbide (Mo2C), carbon-free cathode host. Online mass spectrometry coupled with X-ray photoelectron spectroscopy unequivocally demonstrates that lithium peroxide is simultaneously oxidized together with the Li(x)MoO3-passivated conductive interface formed on the carbide, owing to their close redox potentials. The process rejuvenates the surface on each cycle upon electrochemical charge by releasing Li(x)MoO3 into the electrolyte, explaining the low charging potential.
Publisher: Wiley
Date: 25-03-2022
Abstract: Inexpensive and energy‐dense Zn metal anodes is key to the promise of aqueous Zn‐ion batteries, which are heralded as an exciting battery chemistry for renewable and stationary storage. Yet, Zn deposition instability under demanding cycling conditions leads to rapid dendritic cell failure, and the hydrogen evolution reaction aggravates the issue. Electrolyte additives are a scalable solution to address the problem, but a high volume fraction is typically required for a noticeable effect. Here, a benign alcohol molecule propylene glycol is presented as an electrolyte additive that enables remarkably stable Zn anode cycling of over 1000 h at a practical 2 mA–2 mA h cm −2 at a low volume concentration when the reference cell shorts only after 30 h. The dramatic performance improvement at the low additive concentration is attributed to the effective morphology regulation and inhibition of hydrogen evolution, as revealed by spectroscopic and microscopic investigations. Ab initio molecular dynamics simulations reveal unprecedented atomistic insights behind the concentration‐dependent effectivity of propylene glycol as an electrolyte additive. Excellent full cell cycling with two different positive host materials, even with high loading, highlights the potential for practical development.
Publisher: Wiley
Date: 23-10-2018
Publisher: Royal Society of Chemistry (RSC)
Date: 2015
DOI: 10.1039/C4EE02587C
Abstract: A new nanostructured metallic metal oxide shows excellent ORR/OER properties in a Li–air cell, and highlights the importance of controlling the cathode interface to achieve better Li–O 2 cell round-trip efficiency.
Publisher: Royal Society of Chemistry (RSC)
Date: 2018
DOI: 10.1039/C8EE00378E
Abstract: Comparison of intercalation of Zn 2+ in layered V 3 O 7 ·H 2 O in non-aqueous and aqueous electrolytes reveals a much higher desolvation penalty at the non-aqueous interface, a major factor in dictating the kinetics.
Publisher: Royal Society of Chemistry (RSC)
Date: 2014
DOI: 10.1039/C4TA04209C
Abstract: The nano h-LiMnBO 3 composite delivers a high first discharge capacity of 140 mA h g −1 at C/15 rate within a reduced potential window.
Publisher: Elsevier BV
Date: 02-2013
Publisher: American Chemical Society (ACS)
Date: 06-12-2019
Abstract: Aqueous Zn-ion batteries, which are being proposed as large-scale energy storage solutions because of their unparalleled safety and cost advantage, are composed of a positive host (cathode) material, a metallic zinc anode, and a mildly acidic aqueous electrolyte (pH ≈ 3-7). Typically, the charge storage mechanism is believed to be reversible Zn
Publisher: American Chemical Society (ACS)
Date: 03-12-2020
Publisher: American Chemical Society (ACS)
Date: 09-07-2019
Publisher: American Chemical Society (ACS)
Date: 29-07-2021
Publisher: Springer Science and Business Media LLC
Date: 26-08-2016
Publisher: American Chemical Society (ACS)
Date: 09-05-2018
Publisher: American Chemical Society (ACS)
Date: 15-12-2009
DOI: 10.1021/JA907874H
Abstract: Creating nanoscale heterostructures with molecular-scale (<2 nm) metal wires is critical for many applications and remains a challenge. Here, we report the first time synthesis of nanoscale heterostructures with single-crystal molecular-scale Au nanowires attached to different nanostructure substrates. Our method involves the formation of Au nanoparticle seeds by the reduction of rocksalt AuCl nanocubes heterogeneously nucleated on the substrates and subsequent nanowire growth by oriented attachment of Au nanoparticles from the solution phase. Nanoscale heterostructures fabricated by such site-specific nucleation and growth are attractive for many applications including nanoelectronic device wiring, catalysis, and sensing.
Publisher: American Chemical Society (ACS)
Date: 30-12-2019
Abstract: The cost benefit and inherent safety conferred by the energy-dense metallic zinc anode and mildly acidic aqueous electrolytes are critical to aqueous zinc batteries' (AZBs) large-scale energy-storage ambition. Aggressive research efforts in the past five years have resulted in the discovery of several high-energy positive (cathode) host materials, but understanding of the Zn anode rechargeability and any influence of the electrolyte, which are critical for AZBs' practical development, remains limited. As we unravel here, under realistic test conditions, when parameters are set keeping practical applications in mind, Zn anode cycling appears vulnerable to dendritic failure in all common AZB electrolytes. While 3 M ZnSO
Start Date: 2017
End Date: 2020
Funder: Eidgenössische Technische Hochschule Zürich
View Funded ActivityStart Date: 2017
End Date: 2020
Funder: Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
View Funded ActivityStart Date: 2021
End Date: 12-2021
Amount: $497,264.00
Funder: Australian Research Council
View Funded Activity