Polypyrrole-Modified Sulfurized Polyacrylonitrile Nanotubes

High-sulfur content free-standing cathode

Polypyrrole-modified sulfurized polyacrylonitrile nanotubes with hollow channels greatly facilitate charge transport and increase sulfur content, leading to improved lithium-sulfur battery performance.

Yi, Yikun · Feng, Hai · Guo, Jingyu · Gao, Xin · Chen, Wenqing · Tian, Xiaolu · Tang, Wei · Hua, Weibo · Li, Mingtao

Small 2023

Advantages

SPANPPy-1% cathode possesses a larger lithium-ion diffusion coefficient than the SPAN cathode

The cathode exhibits decent performance under high-sulfur-loading or lean-electrolyte conditions