Electrolytic solution, electrochemical device, secondary cell, and module
US-2020127332-A1 · Apr 23, 2020 · US
Electrolytic solution, electrochemical device, secondary cell, and module
US11374259B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11374259-B2 |
| Application number | US-201816626754-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 30, 2018 |
| Priority date | Jun 30, 2017 |
| Publication date | Jun 28, 2022 |
| Grant date | Jun 28, 2022 |
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- Title
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- Abstract
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Abstract
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An electrolyte solution contains tris(trimethylsilyl) phosphite and at least one fluorinated saturated cyclic carbonate (1) selected from pentafluoropropylethylene carbonate and heptafluoroisobutylethylene carbonate. Also disclosed is an electrochemical device including the electrolyte solution.
First claim
Opening claim text (preview).
The invention claimed is: 1. An electrolyte solution comprising a solvent and additives comprising tris(trimethylsilyl) phosphite in an amount of 0.001-10% by mass relative to the solvent and at least one fluorinated saturated cyclic carbonate (1) in an amount of 0.001-10% by mass relative to the solvent selected from the group consisting of a compound (1-a) and a compound (1-b), the compound (1-a) being represented by the following formula: the compound (1-b) being represented by the following formula: 2. The electrolyte solution according to claim 1 , wherein the solvent contains at least one selected from the group consisting of a non-fluorinated saturated cyclic carbonate, a fluorinated saturated cyclic carbonate other than the fluorinated saturated cyclic carbonate (1), a non-fluorinated acyclic carbonate, a fluorinated acyclic carbonate, a non-fluorinated acyclic ester, and a fluorinated acyclic ester. 3. The electrolyte solution according to claim 1 , further comprising vinylene carbonate in an amount of 0.001-10% by mass relative to the solvent. 4. The electrolyte solution according to claim 1 , further comprising an electrolyte salt. 5. An electrochemical device comprising the electrolyte solution according to claim 1 . 6. A module comprising the electrochemical device according to claim 5 . 7. A secondary battery comprising the electrolyte solution according to claim 1 . 8. A module comprising the secondary battery according to claim 7 .
Assignees
Inventors
Classifications
characterised by the solvent · CPC title
- H01M10/0567Primary
characterised by the additives · CPC title
Organic electrolyte · CPC title
characterised by the solvents · CPC title
- H01M10/0525Primary
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title
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Frequently asked questions
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- What does patent US11374259B2 cover?
- An electrolyte solution contains tris(trimethylsilyl) phosphite and at least one fluorinated saturated cyclic carbonate (1) selected from pentafluoropropylethylene carbonate and heptafluoroisobutylethylene carbonate. Also disclosed is an electrochemical device including the electrolyte solution.
- Who is the assignee on this patent?
- Daikin Ind Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M10/0567. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jun 28 2022 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 5 related publications on this page (citations in our corpus or others sharing the same primary CPC).