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US 2020/0136185 A1Published application
Silicon-based energy storage devices with phosphazene containing electrolyte additives
AssigneeEnevate Corporation
InventorsLiwen Ji, Benjamin Yong Park
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Abstract
Electrolytes and electrolyte additives for energy storage devices comprising phosphazene based compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein 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, an electrolyte comprising at least two electrolyte co-solvents, wherein at least one electrolyte co-solvent comprises a phosphazene based compound.
Claims15
An energy storage device comprising:
- a first electrode;
- a second electrode;
- a separator between the first electrode and the second electrode;
- and
- an electrolyte system comprising:
- a phosphazene based compound;
- a linear carbonate;
- a cyclic carbonate:
- and
- a Li-containing salt;
- wherein at least one of the first electrode and the second electrode is a Si-base electrode.
8 more elements
Dependencies are inferred from the claim text.