CPC H01M 4/5815 (2013.01) [H01M 4/131 (2013.01); H01M 4/366 (2013.01); H01M 4/663 (2013.01); H01M 4/664 (2013.01); H01M 10/052 (2013.01); H01M 10/0562 (2013.01); H01M 10/0565 (2013.01)] | 19 Claims |
1. A lithium-sulfur battery, comprising:
a substrate;
a composite cathode disposed on the substrate;
a coating layer disposed on the composite cathode, the coating layer further positioned within an interior of the composite cathode and penetrating a porous structure of the composite cathode, and the coating layer comprises a N—C—Co composite, polyethylene oxide, and at least one of LiTFSI, LiTf, or LiBETI;
a solid-state electrolyte, the coating layer positioned between the composite cathode and the solid-state electrolyte; and
a lithium anode disposed on the solid-state electrolyte,
wherein the composite cathode comprises active elemental sulfur, conductive carbon, sulfide electrolyte, and ionic liquid.
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