Challenges and Strategies towards Practically Feasible Solid-State Lithium Metal Batteries

© 2021 Wiley-VCH GmbH.

Détails bibliographiques
Publié dans:Advanced materials (Deerfield Beach, Fla.). - 1998. - 34(2022), 4 vom: 10. Jan., Seite e2104666
Auteur principal: Yoon, Kyungho (Auteur)
Autres auteurs: Lee, Sunyoung, Oh, Kyungbae, Kang, Kisuk
Format: Article en ligne
Langue:English
Publié: 2022
Accès à la collection:Advanced materials (Deerfield Beach, Fla.)
Sujets:Journal Article Review electrochemical reactions interface chemical reactions lithium dendrites lithium metal interfaces solid-state lithium metal batteries
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520 |a Remarkable improvement of the ionic conductivity of inorganic solid electrolytes (SEs) exceeding 10 mS cm-1 at room temperature has opened up the opportunities to realize the commercialization of solid-state batteries (SSBs). The transition to the intrinsically inflammable SEs also promises that SSBs would successfully utilize lithium metal anode thus achieving the high-energy-density lithium metal batteries without the risk of a safety hazard. However, the practical operation of solid-state lithium metal batteries (SSLMBs) still faces the challenges of the poor cycle stability and the low energy efficiency, which are coupled with the interface stability and even with the dendrite growth of lithium metal. This article overviews current understandings regarding the underlying origins of the issues in employing the lithium metal anode in SSLMBs from the five main standpoints: i) the chemical/electrochemical interfacial stability, ii) the microscopic evolution of interfacial morphology, iii) the intrinsic diffusivity of lithium atom/vacancy at the interface, iv) imperfections (defect/pores), and v) non-negligible electronic conductivity of SEs. The discussions are followed on the state-of-the-art efforts and strategies to overcome these respective challenges. Finally, the authors provide their perspectives for the future research directions toward achieving the commercial level of high-energy SSLMBs 
650 4 |a Journal Article 
650 4 |a Review 
650 4 |a electrochemical reactions 
650 4 |a interface chemical reactions 
650 4 |a lithium dendrites 
650 4 |a lithium metal interfaces 
650 4 |a solid-state lithium metal batteries 
700 1 |a Lee, Sunyoung  |e verfasserin  |4 aut 
700 1 |a Oh, Kyungbae  |e verfasserin  |4 aut 
700 1 |a Kang, Kisuk  |e verfasserin  |4 aut 
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773 1 8 |g volume:34  |g year:2022  |g number:4  |g day:10  |g month:01  |g pages:e2104666 
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