Large Planar Na-β″-Al<sub>2</sub>O<sub>3</sub> Solid Electrolytes for Next Generation Na-Batteries
Large diameter (> 100 mm) planar Na-β″-Al<sub>2</sub>O<sub>3</sub> solid electrolytes (BASE) with thickness from 1.0 to 1.5 mm have been prepared. Na-β″-Al<sub>2</sub>O<sub>3</sub> was processed as a slurry...
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doaj-0a85101510a84919b72ababb307911ea2020-11-25T01:45:08ZengMDPI AGMaterials1996-19442020-01-0113243310.3390/ma13020433ma13020433Large Planar Na-β″-Al<sub>2</sub>O<sub>3</sub> Solid Electrolytes for Next Generation Na-BatteriesSamuel Clark Ligon0Marie-Claude Bay1Meike V. F. Heinz2Corsin Battaglia3Thomas Graule4Gurdial Blugan5Laboratory for High Performance Ceramics, Empa, Swiss Federal Laboratories for Materials Science and Technology, Ueberlandstrasse 129, 8600 Duebendorf, SwitzerlandMaterials for Energy Conversion, Empa, Swiss Federal Laboratories for Materials Science and Technology, Ueberlandstrasse 129, 8600 Duebendorf, SwitzerlandMaterials for Energy Conversion, Empa, Swiss Federal Laboratories for Materials Science and Technology, Ueberlandstrasse 129, 8600 Duebendorf, SwitzerlandMaterials for Energy Conversion, Empa, Swiss Federal Laboratories for Materials Science and Technology, Ueberlandstrasse 129, 8600 Duebendorf, SwitzerlandLaboratory for High Performance Ceramics, Empa, Swiss Federal Laboratories for Materials Science and Technology, Ueberlandstrasse 129, 8600 Duebendorf, SwitzerlandLaboratory for High Performance Ceramics, Empa, Swiss Federal Laboratories for Materials Science and Technology, Ueberlandstrasse 129, 8600 Duebendorf, SwitzerlandLarge diameter (> 100 mm) planar Na-β″-Al<sub>2</sub>O<sub>3</sub> solid electrolytes (BASE) with thickness from 1.0 to 1.5 mm have been prepared. Na-β″-Al<sub>2</sub>O<sub>3</sub> was processed as a slurry and cast to give several meters of tape. One hundred and forty mm diameter discs were punched from the tape, stacked, and laminated with a large hydraulic press. Binder burnout and sintering were performed in 150 mm diameter MgO spinel encapsulations to mitigate the loss of Na<sub>2</sub>O vapor. Conductivity and flexural strength were measured on smaller Na-β″-Al<sub>2</sub>O<sub>3</sub> samples produced via the same tape casting process followed by sintering and gave results consistent with BASE materials produced by uniaxial pressing of powders. Planar BASE membranes enable new cell designs, which are predicted to have higher power densities and better stacking efficiency compared to currently manufactured tubular cells.https://www.mdpi.com/1996-1944/13/2/433molten-salt batteriessodium batteriestape castingplanar cellna-β″-al<sub>2</sub>o<sub>3</sub> |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Samuel Clark Ligon Marie-Claude Bay Meike V. F. Heinz Corsin Battaglia Thomas Graule Gurdial Blugan |
spellingShingle |
Samuel Clark Ligon Marie-Claude Bay Meike V. F. Heinz Corsin Battaglia Thomas Graule Gurdial Blugan Large Planar Na-β″-Al<sub>2</sub>O<sub>3</sub> Solid Electrolytes for Next Generation Na-Batteries Materials molten-salt batteries sodium batteries tape casting planar cell na-β″-al<sub>2</sub>o<sub>3</sub> |
author_facet |
Samuel Clark Ligon Marie-Claude Bay Meike V. F. Heinz Corsin Battaglia Thomas Graule Gurdial Blugan |
author_sort |
Samuel Clark Ligon |
title |
Large Planar Na-β″-Al<sub>2</sub>O<sub>3</sub> Solid Electrolytes for Next Generation Na-Batteries |
title_short |
Large Planar Na-β″-Al<sub>2</sub>O<sub>3</sub> Solid Electrolytes for Next Generation Na-Batteries |
title_full |
Large Planar Na-β″-Al<sub>2</sub>O<sub>3</sub> Solid Electrolytes for Next Generation Na-Batteries |
title_fullStr |
Large Planar Na-β″-Al<sub>2</sub>O<sub>3</sub> Solid Electrolytes for Next Generation Na-Batteries |
title_full_unstemmed |
Large Planar Na-β″-Al<sub>2</sub>O<sub>3</sub> Solid Electrolytes for Next Generation Na-Batteries |
title_sort |
large planar na-β″-al<sub>2</sub>o<sub>3</sub> solid electrolytes for next generation na-batteries |
publisher |
MDPI AG |
series |
Materials |
issn |
1996-1944 |
publishDate |
2020-01-01 |
description |
Large diameter (> 100 mm) planar Na-β″-Al<sub>2</sub>O<sub>3</sub> solid electrolytes (BASE) with thickness from 1.0 to 1.5 mm have been prepared. Na-β″-Al<sub>2</sub>O<sub>3</sub> was processed as a slurry and cast to give several meters of tape. One hundred and forty mm diameter discs were punched from the tape, stacked, and laminated with a large hydraulic press. Binder burnout and sintering were performed in 150 mm diameter MgO spinel encapsulations to mitigate the loss of Na<sub>2</sub>O vapor. Conductivity and flexural strength were measured on smaller Na-β″-Al<sub>2</sub>O<sub>3</sub> samples produced via the same tape casting process followed by sintering and gave results consistent with BASE materials produced by uniaxial pressing of powders. Planar BASE membranes enable new cell designs, which are predicted to have higher power densities and better stacking efficiency compared to currently manufactured tubular cells. |
topic |
molten-salt batteries sodium batteries tape casting planar cell na-β″-al<sub>2</sub>o<sub>3</sub> |
url |
https://www.mdpi.com/1996-1944/13/2/433 |
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