Multifunctional Interlayer Engineering for Silkworm Excrement‐Derived Porous Carbon Enabling High‐Energy Lithium Sulfur Batteries

Lithium-sulfur (Li-S) batteries show advantage of high theoretical capacity. However, the shuttle effect of polysulfides and sluggish sulfur redox kinetics seriously reduce their service life. Inspired by the porous structural features of biomass materials, herein, a functional interlayer is fabricated by silkworm excrement-derived three-dimensional porous carbon accommodating nano sized CoS