A Promising Approach to Ultra-Flexible 1 Ah Lithium-Sulfur Batteries Using Oxygen-Functionalized Single-Walled Carbon Nanotubes.

ABSTRACT: Lithium-sulfur (Li-S) batteries represent a promising solution for achieving high energy densities exceeding 500 Wh kg^-1, leveraging cathode materials with theoretical energy densities up to 2600 Wh kg^-1. These batteries are also cost-effective, abundant, and environment-friendly. In this study, an innovative approach is proposed utilizing highly oxidized single-walled carbon nanotubes (Ox-SWCNTs) as a conductive fibrous scaffold and functional interlayer in sulfur cathodes and separators, respectively, to demonstrate large-area and ultra-flexible Li-S batteries with enhanced energy density. The free-standing sulfur cathodes in the Li-S cells exhibit high energy density maintaining 806 mAh g^-1 even after 100 charge-discharge cycles. Additionally, oxygen-con

SUBMITTER: Heo J 

PROVIDER: S-EPMC11775554 | biostudies-literature | 2025 Jan

REPOSITORIES: biostudies-literature