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Solid-state electrolytes expediting interface-compatible dual-conductive cathodes for all-solid-state batteries
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DOI：10.1039/D5EE01767J.png)
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Abstract
En 中文
With the rapid development of solid-state electrolytes (SSEs); high-performance cathode materials specifically designed for all-solid-state batteries (ASSBs) are attracting increasing attention. Achieving interfacial compatibility between the continuously advancing SSEs and cathode active materials (CAMs) is crucial for the realization of advanced ASSBs. Recently; the emergence of interface-compatible dual-conductive (ICDC) cathodes has opened up a novel pathway towards developing ASSBs with high energy density and cost efficiency. ICDC cathodes refer to single cathode materials engineered to simultaneously achieve mixed ionic–electronic conductivity while ensuring good compatibility with SSEs in ASSBs. This innovative research topic has been propelled by the ongoing evolution of SSEs. In this minireview; we first discuss the progress in the mutual enhancement of SSEs and cathode materials; with a focus on addressing interface compatibility and dual conductivity challenges faced by conventional layered oxide CAMs in advanced sulfide- or halide-based ASSBs. Then; we outline two primary approaches for achieving ICDC cathodes: sulfurization and halogenation. Finally; we present an outlook; highlighting unresolved questions and future research directions. This minireview provides not only a summary of advancements in ICDC cathodes; but also fundamental guidance to inspire further exploration of cathode materials to be integrated with the state-of-the-art SSEs.
Keywords:
solid-state electrolytes
all-solid-state batteries
cathode materials
interface compatibility
dual-conductive cathodes
Journal
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30.8
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6.9K
Citations:
12.4W
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