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US 2021/0242503 A1Published application
Electrolyte solutions
AssigneeAscend Performance Materials Operations LLC
InventorsJefferson Thomas Ebert, Benjamin Haseltine
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Abstract
An electrolyte solution comprising an ionic component, a base solvent, and an additive package. The additive package comprises a trinitrile compound and a cyclic carbonate. The electrolyte solution comprises symmetric linear carbonate in an amount greater than 19 wt %, based on the total weight of the electrolyte solution.
Claims20
An electrolyte solution comprising:
- an ionic component;
- a base solvent, optionally comprising symmetric linear carbonate;
- and
- an additive package comprising:
- a trinitrile compound having a chemical structure CxH2x−1(CN)3, wherein x is from 4 to 10;
- and
- a cyclic carbonate compound having a chemical structure:
- wherein R1, R2 R3, R4, R5, and R6 are independently selected from hydrogen, halogen, (C1-C10)alkyl, or (C1-C10) haloalkyl,
- wherein the electrolyte solution comprises symmetric linear carbonate in an amount greater than 19 wt %, based on the total weight of the electrolyte solution.
6 more elements
An electrolyte solution comprising:
- an ionic component;
- a base solvent;
- and
- an additive package comprising:
- a trinitrile compound having a chemical structure CxH2x−1(CN)3, wherein x is from 4 to 10;
- and
- a sulfonate compound having a chemical structure:
- wherein a and b are independently from 1 to 4,
- wherein the electrolyte solution comprises symmetric linear carbonates in an amount greater than 19 wt %, based on the total weight of the electrolyte solution.
6 more elements
A secondary cell comprising:
- a cathode, optionally having a cathode active material comprising a lithium-containing transition metal composite oxide;
- an anode optionally comprising graphite;
- and
- an electrolyte solution comprising:
- an ionic component;
- a base solvent;
- and
- an additive package comprising:
- a trinitrile compound having a chemical structure CxH2x−1(CN)3, wherein x is from 4 to 10;
- and
- a cyclic carbonate compound having a chemical structure:
- wherein R1, R2 R3, R4, R5, and R6 are independently selected from hydrogen, halogen, (C10-C10)alkyl, or (C1-C10)haloalkyl,
- wherein the electrolyte solution comprises symmetric linear carbonate in an amount greater than 19 wt %, based on the total weight of the electrolyte solution.
10 more elements
Dependencies are inferred from the claim text.