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US 11,469,449 B1Granted
Phosphorus-containing compounds as additives for silicon-based li ion batteries
AssigneeEnevate Corporation
InventorsLiwen Ji, Benjamin Park
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Abstract
Additives for energy storage devices comprising phosphorus-containing compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, where at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, and an electrolyte composition. Phosphorus-containing compounds may serve as additives to the first electrode, the second electrode and/or the electrolyte, as well as the separator.
Claims8
An energy storage device comprising:
- a first electrode and a second electrode, wherein one or both of the first electrode and the second electrode is a Si-based electrode;
- a separator between the first electrode and the second electrode;
- and
- an electrolyte composition;
- wherein
- one or more of said first electrode, said second electrode and said electrolyte composition comprises at least one additive, wherein said additive comprises a phosphorus-containing compound;
- and
- wherein said phosphorus-containing compound is Distearyl Pentaerythritol Diphosphite.
5 more elements
Dependencies are inferred from the claim text.