Front Cover: High‐Safety Lithium‐Ion Batteries with Silicon‐Based Anodes Enabled by Electrolyte Design (Chem. Asian J. 24/2023)

Owing to its high gravimetric capacity, silicon is a promising alternative to the conventional graphite anode for high‐energy lithium‐ion batteries (LIBs). However, it suffers from intrinsic poor interfacial stability with liquid electrolytes, thereby inevitably increasing the risk of thermal runawa...

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Veröffentlicht in:Chemistry, an Asian journal an Asian journal, 2023-12, Vol.18 (24), p.n/a
Hauptverfasser: Hu, Kangjia, Sang, Xiaoyu, Chen, Jiaxin, Liu, Zetong, Zhang, Jiahui, Hu, Xianluo
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Sprache:eng
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Zusammenfassung:Owing to its high gravimetric capacity, silicon is a promising alternative to the conventional graphite anode for high‐energy lithium‐ion batteries (LIBs). However, it suffers from intrinsic poor interfacial stability with liquid electrolytes, thereby inevitably increasing the risk of thermal runaway and posing serious safety challenges. In this Review, a focus is laid on mitigating the thermal runaway of silicon anode‐based LIBs from the perspective of electrolyte design. First, the thermal runaway mechanism of LIBs is briefly introduced and then specific thermal failure reactions associated with silicon anodes and electrolytes are discussed in detail. Subsequently, safety countermeasures are summarized before finally unanswered questions regarding the thermal runaway mechanism are presented, and future directions to achieve safe electrolytes for silicon‐based anodes are outlined. More information can be found in the Review by Xianluo Hu et al.
ISSN:1861-4728
1861-471X
DOI:10.1002/asia.202301030