Long-Lifespan and High-Rate Energy Storage Enabled by Lithium-Free Batteries with External Li Supply

© 2025 Wiley‐VCH GmbH.

Détails bibliographiques
Publié dans:Advanced materials (Deerfield Beach, Fla.). - 1998. - 37(2025), 34 vom: 10. Aug., Seite e2504553
Auteur principal: Du, Xinwei (Auteur)
Autres auteurs: Chen, Shu, Kang, Ziyang, Zheng, Zilong, Gao, Yue
Format: Article en ligne
Langue:English
Publié: 2025
Accès à la collection:Advanced materials (Deerfield Beach, Fla.)
Sujets:Journal Article energy storage external Li supply high‐rate lithium‐free battery long‐lifespan
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520 |a 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 
650 4 |a Journal Article 
650 4 |a energy storage 
650 4 |a external Li supply 
650 4 |a high‐rate 
650 4 |a lithium‐free battery 
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700 1 |a Chen, Shu  |e verfasserin  |4 aut 
700 1 |a Kang, Ziyang  |e verfasserin  |4 aut 
700 1 |a Zheng, Zilong  |e verfasserin  |4 aut 
700 1 |a Gao, Yue  |e verfasserin  |4 aut 
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