Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 36, Pages 14918-14926Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta02353f
Keywords
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Funding
- Helmholtz Association
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An innovative concept for significantly decreasing the time-span for the electrochemical formation step after lithium-ion cell assembly is presented. Laser structuring has been developed for the formation of capillary microstructures in tape cast electrodes resulting in a tremendous acceleration of electrolyte wetting in comparison to unstructured electrodes. Pouch cells with laser-structured electrodes show an increase in capacity retention and an enhancement in cell cycle life-time at high charging and discharging rates. We assume that laser structuring of tape cast electrodes could be a further step towards economic and zero failure production of high-power lithium-ion batteries.
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