| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Ding, Yulong
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024A comprehensive material and experimental investigation of a packed bed latent heat storage system based on waste foundry sandcitations
- 2023Hybridization of Salt Hydrates with Solid–Solid Phase Change Materials: A Novel Pathway to Sorption Thermochemical Materials Manufacturingcitations
- 2022Effect of SiO2 nanoparticles concentration on the corrosion behaviour of solar salt-based nanofluids for concentrating solar power plantscitations
- 2022Valorization of phosphogypsum as a thermal energy storage material for low temperature applicationscitations
- 2021New shape-stabilized phase change materials obtained by single-screw extrudercitations
- 2021Evaluation of Ga0.2Li6.4Nd3Zr2O12 garnetscitations
- 2021Red mud-molten salt composites for medium-high temperature thermal energy storage and waste heat recovery applicationscitations
- 2020High-temperature corrosion behaviour of metal alloys in commercial molten saltscitations
- 2020Inhibiting hot corrosion of molten Li2CO3-Na2CO3-K2CO3 salt through graphitization of construction materials for concentrated solar powercitations
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article
Evaluation of Ga0.2Li6.4Nd3Zr2O12 garnets
Abstract
The next major leap in energy storage is thought to arise from a practical implementation of all solid-state batteries, which remain largely confined to the small scale due to issues in manufacturing and mechanical stability. Lithium batteries are amongst the most sought after, for the high expected energy density and improved safety characteristics, however the challenge of finding a suitable solid-state electrolyte remains. Lithium rich garnets are prime contenders as electrolytes, owing to their high ionic conductivity (> 0.1 mS cm<sup>-1</sup>), wide electrochemical window (0 – 6 V) and stability with Li metal. However, the high Young’s modulus of these materials, poor wetting of Li metal and rapid formation of Li<sub>2</sub>CO<sub>3</sub> passivating layers tends to give a detrimentally large resistance at the solid-solid interface, limiting their application in solid state batteries. Most studies have focused on La based systems, with very little work on other lanthanides. Here we report a study of the Nd based garnet Ga<sub>0.2</sub>Li<sub>6.4</sub>Nd<sub>3</sub>Zr<sub>2</sub>O<sub>12,</sub> illustrating substantial differences in the interfacial behaviour. This garnet shows very low interfacial resistance attributed to dopant exsolution which, when combined with moderate heating (175°C, 1h) with Li metal, we suggest forms Ga-Li eutectics which significantly reduces the resistance at the Li/Garnet interface to as low as 67 Ω cm<sup>2</sup> (much lower than equivalent La based systems). The material also shows intrinsically high density (93%) and good conductivity (≥ 0.2 mS cm<sup>-1</sup>) via conventional furnaces in air. It is suggested these garnets are particularly well suited to provide a mixed conductive interface (in combination with other garnets) which could enable future solid-state batteries.