Efficient Li-S Battery Interlayer Composed of Coated Carbon Cloth ACS_AMI
By Shaheer RehanSep 30 2022Reviewed by Megan Craig, M.Sc. Lithium-sulfur batteries' high theoretical energy density and affordability make them excellent devices for storing electrochemical energy. The primary issues that lithium-sulfur batteries encounter are capacity degradation and slow electrode reaction kinetics.
The non-toxic nature, accessibility, and high theoretical capacity of sulfur make it an appealing option for the anode in lithium-sulfur batteries. The dissolved sulfur species tend to shuttle towards the passivated lithium anode, resulting in a permanent depletion of active sulfur from the cathode. The non-polar carbon, unfortunately exhibits poor chemical engagement with the polar lithium polysulfides.
Nonetheless, zinc sulfide has poor bulk electrical conductivity, and introducing too much sulfide into the sulfur cathode impedes charge transfer and reduces the practical capacity of the cathode. Results of the Study The team showcased a multifunctional [email protected] nanolayer for lithium-sulfur batteries. A facile single-pot hydrothermal process was used, and the zinc sulfide mass ratio was considerably lowered by depositing the nanoparticle catalyst onto the conducting framework.
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