Journal
ISCIENCE
Volume 24, Issue 2, Pages -Publisher
CELL PRESS
DOI: 10.1016/j.isci.2021.102055
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Funding
- European Research Council [680070]
- ETH Research Grant
- Strategic Focus Program - Advanced Manufacturing
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The proposed curtain coating method offers a way to manufacture composite solid-state electrolytes at high speeds, producing uniform electrolyte films with thicknesses below 15 micrometers. This could potentially reduce the production costs of solid-state batteries.
The transition from liquid organic electrolytes to solid-state electrolytes promises safer and more energy-dense lithium ion batteries. Although this technology has been demonstrated, the question of how to manufacture solid-state batteries at the cost and scales needed to be competitive remains. Here we propose and demonstrate curtain coating as a method for manufacturing composite solid-state electrolytes in roll-to-roll processes at web-speeds of over 80 m/min. The method is compatible with existing lithium-ion battery electrode manufacturing lines and is able to produce uniform electrolyte films with thicknesses below 15 micrometers.
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