Lithium sulfur battery additive
AssigneeGelion Technologies Pty Ltd
InventorsThomas Maschmeyer, Jacob Carpenter
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Abstract
The present invention is directed to a cathode material for a lithium sulfur battery comprising a source of sulfur and a particle having a surface adapted to immobilise a poly sulfide. The surface adapted to immobilise a polysulfide may comprise surface functionalisation with sulfur-containing functional groups, thereby to immobilise the polysulfide. The particle may comprise an internal surface, an external surface, or both, wherein the internal surface and/or the external surface may be functionalised with a plurality of sulfur-containing functional groups.
Claims38
A cathode material for a lithium sulfur battery comprising:
- a source of sulfur, and
- a particle having a surface adapted to immobilise a polysulfide.
Use of a particle in the cathode of a lithium sulfur battery, wherein the particle has a surface adapted to immobilise a polysulfide.
A method of reducing capacity fading of a lithium sulfur battery, the battery comprising a cathode comprising a source of sulfur, an anode comprising a lithium source, and an electrolyte, the method comprising adding a particle to the cathode,
- wherein the particle has an internal surface and an external surface, wherein the internal surface and/or external surface is functionalised with a plurality of sulfur-containing functional groups.
Dependencies are inferred from the claim text.