Advanced parametrization for the production of high-energy solid-state lithium pouch cells containing polymer electrolytes

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Lithium batteries with solid-state electrolytes are an appealing alternative to state-of-the-art non-aqueous lithium-ion batteries with liquid electrolytes because of safety and energy aspects. However, engineering development at the cell level for lithium batteries with solid-state electrolytes is limited. Here, to advance this aspect and produce high-energy lithium cells, we introduce a cell design based on advanced parametrization of microstructural and architectural parameters of electrode and electrolyte components. To validate the cell design proposed, we assemble and test (applying a stack pressure of 3.74 MPa at 45 °C) 10-layer and 4-layer solid-state lithium pouch cells with a solid polymer electrolyte, resulting in an initial specific energy of 280 Wh kg−1 (corresponding to an energy density of 600 Wh L−1) and 310 Wh kg−1 (corresponding to an energy density of 650 Wh L−1) respectively.
Publisher
Nature Research
Issue Date
2024-12
Language
English
Article Type
Article
Citation

Nature Communications, v.15, no.1

ISSN
2041-1723
DOI
10.1038/s41467-024-50075-9
URI
http://hdl.handle.net/10203/322356
Appears in Collection
MS-Journal Papers(저널논문)
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