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Recent developments in materials design for all-solid-state Li-S batteries

Journal

Publisher

TAYLOR & FRANCIS INC
DOI: 10.1080/10408436.2021.1886045

Keywords

All-solid-state battery; lithium– sulfur; Li– S; graphite; silicon; lithium metal; one-material battery; charge– discharge mechanism

Funding

  1. Advanced Low Carbon Technology Specially Promoted Research for Innovative Next-Generation Batteries Program of the Japan Science and Technology Agency (JST-ALCA-SPRING) [JPMJAL1301]

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All-solid-state Li-S batteries offer advantages over Li-S batteries with organic liquid electrolytes, mainly due to termination of the shuttle effect and improvements in active materials and lithium ion conductors. All-solid-state batteries using sulfidic materials have more advantages, especially batteries containing only one material as both the active material and ionic conductor.
All-solid-state Li-S batteries offer certain advantages compared with Li-S batteries that employ an organic liquid electrolyte owing to termination of the shuttle effect. This article reviews research and development on all-solid-state Li-S batteries from their conception to the present day. First, we carefully reflect on batteries that use sulfur powder, metal sulfide, and lithium sulfur as positive active materials. Then, the use of graphite, silicon, and lithium metal in all-solid-state batteries is discussed. The invention of batteries containing only one material as both the active material and ionic conductor is especially highlighted because of the advantages of all-solid-state batteries using sulfidic materials compared with other types of batteries.

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