This study demonstrates the stabilization of a rare monoclinic γ-sulfur phase within carbon nanofibers, enabling the successful operation of Lithium-Sulfur (Li-S) batteries in carbonate electrolyte for 4000 cycles. The altered redox mechanism reversibly converts monoclinic sulfur to Li₂S without intermediate polysulfide formation. This is the first report of stable γ-sulfur synthesis and its application in Li-S batteries, potentially revolutionizing high-energy-density battery technology.
Publisher
Communications Chemistry
Published On
Feb 10, 2022
Authors
Rahul Pai, Arvinder Singh, Maureen H. Tang, Vibha Kalra
Tags
γ-sulfur
Lithium-Sulfur batteries
carbon nanofibers
redox mechanism
high-energy-density
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