Long-Lifespan and High-Rate Energy Storage Enabled by Lithium-Free Batteries with External Li Supply
© 2025 Wiley‐VCH GmbH.
| Veröffentlicht in: | Advanced materials (Deerfield Beach, Fla.). - 1998. - 37(2025), 34 vom: 10. Aug., Seite e2504553 |
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| Format: | Online-Aufsatz |
| Sprache: | English |
| Veröffentlicht: |
2025
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| Zugriff auf das übergeordnete Werk: | Advanced materials (Deerfield Beach, Fla.) |
| Schlagworte: | Journal Article energy storage external Li supply high‐rate lithium‐free battery long‐lifespan |
| Zusammenfassung: | © 2025 Wiley‐VCH GmbH. Energy storage batteries are pivotal for enabling reliable integration of renewable energy systems, yet further advancements in their longevity and rate performance remain imperative. Lithium (Li)-free cathode materials, while offering exceptional electrochemical stability, rate capability, and cost efficiency, face a critical limitation: the absence of active Li ions when paired with conventional graphite anodes. To address this challenge, a Li-free battery design is presented that integrates a graphite|TiS2 pouch cell architecture with a standard electrolyte modified by lithium trifluoromethanesulfinate (LiSO2CF3). This additive serves as an in situ Li-ion reservoir, electrochemically releasing Li ions during operation without generating deleterious residues or compromising structural integrity. The optimized cell achieves an unprecedented cycle life exceeding 14 000 cycles at a high current rate of 10C, alongside remarkable sustainability and cost-effectiveness. This work establishes a practical pathway for deploying long-lasting, fast-charging Li-free batteries in grid-scale energy storage applications |
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| Beschreibung: | Date Revised 28.08.2025 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
| ISSN: | 1521-4095 |
| DOI: | 10.1002/adma.202504553 |