The Influence of Electrolyte Volume on Calendaric Aging of Lithium‐Ion Batteries
Lithium‐ion cells with graphite anodes and nickel–manganese–cobalt oxide (NMC622) cathodes are filled with three different amounts of electrolyte. During formation, incremental capacity analysis indicates small differences in the formation processes between cells with insufficient electrolytes to fill all pores and those with an electrolyte volume above the total pore volume of the cell. Complimentary analysis of the gases developed during formation shows that the composition of these cells differs from the cells with a sufficient electrolyte. The aging of cells under high temperature (60 °C) and high constant voltage of 4.2 V is studied. During aging, cells with higher amounts of electrolyte degrade substantially slower. Based on data available from electrical tests, a theory explaining the volume‐dependent rise of resistance and capacity decay is proposed.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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The Influence of Electrolyte Volume on Calendaric Aging of Lithium‐Ion Batteries ; day:30 ; month:10 ; year:2023 ; extent:8
Energy technology ; (30.10.2023) (gesamt 8)
- Creator
- DOI
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10.1002/ente.202300566
- URN
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urn:nbn:de:101:1-2023103014070773844844
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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14.08.2025, 10:50 AM CEST
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Associated
- Klick, Sebastian
- Stahl, Gereon
- Sauer, Dirk Uwe
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Thermal Transients to Accelerate Cyclic Aging of Lithium‐Ion Batteries
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Degradation Mechanisms in NMC-Based Lithium-Ion Batteries
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Optimierung des Einsatzes von Blei-Säure-Akkumulatoren in Photovoltaik-Hybrid-Systemen unter spezieller Berücksichtigung der Batteriealterung
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Analysis of predominant processes in electrochemical impedance spectra and investigation of aging processes of lithium-ion batteries with layered oxide cathodes and graphitic anodes
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Selection of Electrolyte Additive Quantities for Lithium‐Ion Batteries Using Bayesian Optimization
Thermal Transients to Accelerate Cyclic Aging of Lithium‐Ion Batteries
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