Back to results
US 10,763,540 B2Granted
Stable room-temperature sodium-sulfur battery
AssigneeCornell University
InventorsLynden A. Archer, Shuya Wei
Life of this patent
Estimating the term…
Abstract
A sodium-ion conducting (e.g., sodium-sulfur) battery, which can be rechargeable, comprising a microporous host-sulfur composite cathode as described herein or a liquid electrolyte comprising a liquid electrolyte solvent and a liquid electrolyte salt or electrolyte additive as described herein or a combination thereof. The batteries can be used in devices such as, for example, battery packs.
Claims27
A rechargeable battery comprising:
- a) a sodium metal anode;
- b) a cathode comprising a microporous and/or mesoporous host-sulfur composite material, wherein the microporous and/or mesoporous host has an interconnected and tortuous pore structure;
- c) a liquid electrolyte comprising a liquid electrolyte solvent and a liquid electrolyte sodium salt;
- and
- d) an electrolyte additive comprising an ionic liquid tethered to an organic or inorganic nanoparticle.
2 more elements
Dependencies are inferred from the claim text.