Proceedings of MATSUS Spring 2024 Conference (MATSUS24)
Publication date: 18th December 2023
Lithium-sulfur batteries (LSBs) have emerged as candidates for the next generation of energy storage-devices due to high energy density and specific capacity.[1] However the shutting effect of polysulfides, poor conductivity and huge volume expansion during the progress of the charging and discharging restrain the practical application for MSBs.[2] In order to solve the shortcomings and improve sulfur utilization. Various effective measures have been proposed, including develop excellent host material, design functional separators and binder. Among these methods, the preparation of sulfur host materials has also been widely used in the field of metal-sulfur batteries to address the challenges.
In this project, introducing some strategies to solve challenges faced by sulfur host materials in the MSBs field. Firstly, Introducing the concept of metal-organic frameworks to restricts polysulfides of shuttle effect. Secondly, based on the electronic control strategy to improve the catalytic performance of the host material, specifically, the adsorption capacity of polysulfides were promoted by designing defect engineering, designed heterostructure is conducive to Li+ diffusion and fast electron transport of catalyst.
This work was financially supported by the SyDECat project from the Spanish MCIN/AEI/FEDER (PID2022-136883OB-C22), the 2BoSS project of the ERA-MIN3 program with the Spanish grant number PCI2022-132985 / AEI / 10.13039 /501100011033, General it at de Catalunya 2021SGR01581 and 2021SGR00457 and European Union Next Generation EU / PRTR.
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