Physics

Nanotechnology

Electrode

Separator (oil production)

Process engineering

Polysulfide

Engineering physics

Energy storage

Engineering

Physical chemistry

Power (physics)

Chemistry

Materials science

Electrolyte

Energy density

Chemical engineering

Thermodynamics

Energy & Environmental Science

Lithium–sulfur (Li–S) batteries have been regarded as one of the most promising next-generation energy-storage devices, due to their low cost and high theoretical energy density (2600 W h kg−1).

Vertical Co9S8 hollow nanowall arrays grown on a Celgard separator as a multifunctional polysulfide barrier for high-performance Li–S batteries