Author

Xu-Dong Li

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Open access Oct 2026

Vacancy-Mediated Sulfur Exchange Between Catalysts and Polysulfides Accelerates Sulfur Redox Kinetics in Lithium-Sulfur Batteries.

Metal sulfides are promising sulfur electrocatalysts for lithium-sulfur (Li-S) batteries, yet their rational design is limited by an incomplete understanding of interfacial sulfur redox processes. Here, we reveal a vacancy-mediated sulfur-exchange mechanism that accelerates sulfur redox kinetics. Using Bi2S3 as a model...

Jia-Qi Lan, Yun Cao, Xu-Dong Li et al. · Advances in Materials · 0 citations

Oct 2026

Balancing Fast Li-Ion Transport Kinetics and Mechanical Strength in PEO-Based Composite Solid Electrolytes through Minimal Dinitrile Incorporation

Poly(ethylene oxide) (PEO)-based composite solid electrolytes (CSEs) suffer from poor ionic conductivity because strong Li+–ether oxygen coordination restricts Li+ transport. Herein, we develop a competitive coordination strategy by introducing a minimal amount of hexanedinitrile (HDN; 2.30 wt %) into PEO CSEs. Its f...

Yu-Hang Li, Li-Kun Chen, Long-Xiang Yu et al. · Nano letters (Print) · 0 citations