A High-Power Lithium-Sulfur Battery combining Catholyte and Composite Cathode
Abstract
A lithium battery benefits from the conversion reaction of a soluble polysulfide and a sulfur-based electrode. The battery with S-content from 4.5 to 6.5 mg cm−2 achieves exceptional energy and power, from 700 Wh kgS−1 and 100 W kgS−1 at 0.1 C to 100 Wh kgS−1 and 35 kW kgS−1 at 50 C over 500 cycles.