Sergi Gadea, Asier Soria-Fernández, Alexander Santiago, Daniel Carriazo, Julen Castillo
Lithium-sulfur batteries offer high theoretical energy density and cost advantages, but typically suffer from the lithium polysulfide shuttle effect. This Review explores the use of sparingly solvating electrolytes as a way to address this, providing an assessment of the different classes of material, including the need for assessment under real operating conditions.