ORCID Profile
0000-0003-3385-7409
Current Organisation
Deakin University
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Publisher: Elsevier BV
Date: 10-2020
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0CP03046E
Abstract: Introduction of a branched alkyl chain onto the widely used pyrrolidinium cation has produced a new family of ionic liquids and plastic crystals with advantageous physical, thermal and electrochemical properties.
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C5FD00238A
Abstract: Increasing the application of technologies for harvesting waste heat could make a significant contribution to sustainable energy production. Thermoelectrochemical cells are one such emerging technology, where the thermal response of a redox couple in an electrolyte is used to generate a potential difference across a cell when a temperature gradient exists. The unique physical properties of ionic liquids make them ideal for application as electrolytes in these devices. One of the keys to utilizing these media in efficient thermoelectrochemical cells is achieving high Seebeck coefficients, S e : the thermodynamic quantity that determines the magnitude of the voltage achieved per unit temperature difference. Here, we report the S e and cell performance of a cobalt-based redox couple in a range of different ionic liquids, to investigate the influence of the nature of the IL on the thermodynamics and cell performance of the redox system. The results reported include the highest S e to-date for an IL-based electrolyte. The effect of diluting the different ILs with propylene carbonate is also reported, which results in a significant increase in the output powers and current densities of the device.
Publisher: Elsevier BV
Date: 04-2018
Publisher: Royal Society of Chemistry (RSC)
Date: 2018
DOI: 10.1039/C8CC00531A
Abstract: A concentrated lithium salt electrolyte utilising the diethylpyrrolidinium cation and bis(fluorosulfonyl)imide anion shows high ionic conductivity and good Li electrochemistry.
Publisher: The Electrochemical Society
Date: 05-01-2020
Abstract: Organic ionic plastic crystals (OIPCs) are increasingly promising as a class of solid-state electrolyte for developing safer lithium batteries. However, their advancement relies on expanding the range of well-characterised cation/anion combinations. Here, we report the synthesis and characterization of OIPCs utilising small ammonium cations tetramethylammonium ([N 1111 ] + ), triethylmethylammonium ([N 1222 ] + ) and tetraethylammonium ([N 2222 ] + ), chosen to encourage significant rotational and translational motion, with the charge-diffuse and electrochemically stable bis(fluorosulfonyl)imide ([FSI]ˉ) and bis(trifluoromethanesulfonyl)imide ([NTf 2 ]ˉ) anions. To investigate the physico-chemical properties of the OIPCs, the free volume was measured by positron annihilation spectroscopy (PALS) and correlated with the ionic conductivity and thermal analysis (DSC). Solid-state NMR analysis of the salts, is also reported. The salts with the less symmetric cation, [N 1222 ][FSI] and [N 1222 ][NTf 2 ], were identified as the most promising electrolyte materials, and thus the electrochemical properties after mixing with 10 and 90 mol% lithium bis(fluorosulfonyl)imide (LiFSI) or lithium bis(trifluoromethanesulfonyl)imide (LiNTf 2 ), respectively, were investigated. This study demonstrates the efficacy of these OIPC materials as new quasi-solid state electrolytes with advantageous properties such as high conductivity, good thermal and electrochemical properties, the ability to incorporate high lithium salt concentrations and support efficient lithium electrochemistry.
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C5CP04305K
Abstract: Significant improvements in thermocell power output have been achieved using a cobalt-based redox couple in an ionic liquid/molecular solvent electrolyte mixture.
Publisher: Wiley
Date: 10-2020
Publisher: Canadian Science Publishing
Date: 04-2013
Abstract: The diffractive aspects of angular distribution have been investigated by analyzing the experimental data for a set of elastic scattering processes of 6 Li by different target nuclei at different laboratory energies. The analysis of experimental data of angular distribution for elastic scattering process is performed using both Frahn–Venter and McIntyre models. The theoretical models can reasonably reproduce the general pattern of the data, thus allowing us to extract geometrical parameters from elastic scattering processes. It is found that interpretation of the diffraction features of the data is model-independent. The values of extracted parameters, from both models, are found to be comparable to each other and to those of others. The correlation between the total reaction cross section and the incident laboratory energy for each scattering is discernible and values of total reaction cross section are found to be comparable with those of others.
Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C9TA11175A
Abstract: The combination of a highly conductivity plastic crystal with a very high concentration of lithium salt results in a promising new “plastic crystal in salt” electrolyte for lithium metal batteries.
Publisher: Wiley
Date: 25-01-2017
Abstract: Continuously operating thermo-electrochemical cells (thermocells) are of interest for harvesting low-grade waste thermal energy because of their potentially low cost compared with conventional thermoelectrics. Pt-free thermocells devised here provide an output power of 12 W m
Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C9CP01740B
Abstract: The synthesis and characterisation of new solid-state electrolytes is a key step in advancing the development of safer and more reliable electrochemical energy storage technologies.
No related grants have been discovered for Danah Al-Masri.