Non-Aqueous Electrolyte Solution and Non-Aqueous Electrolyte Battery in Which Same Is Used
US-2020212485-A1 · Jul 2, 2020 · US
Electrolyte, electrochemical device, lithium ion secondary battery, and module
US2021119256A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2021119256-A1 |
| Application number | US-201917050517-A |
| Country | US |
| Kind code | A1 |
| Filing date | Apr 11, 2019 |
| Priority date | Apr 27, 2018 |
| Publication date | Apr 22, 2021 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
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An electrolyte solution containing at least one compound (1) selected from the group consisting of a compound represented by the following formula (1-1) (wherein R 111 to R 113 are each individually a C1-C4 linear or branched alkyl group, and at least one selected from R 111 to R 113 is a C1-C4 branched alkyl group) and a compound represented by the following formula (1-2) (wherein R 121 to R 123 are each individually a C1-C4 linear or branched alkyl group, and at least one selected from R 121 to R 123 is a C1-C4 branched alkyl group). Also disclosed is an electrochemical device including the electrolyte solution, a lithium ion secondary battery including the electrolyte solution and a module including the electrochemical device or lithium ion secondary battery:
First claim
Opening claim text (preview).
1 . An electrolyte solution comprising at least one compound (1) selected from the group consisting of a compound represented by the following formula (1-1) and a compound represented by the following formula (1-2), the formula (1-1) being wherein R 111 to R 113 are each individually a C1-C4 linear or branched alkyl group, and at least one selected from R 111 to R 113 is a C1-C4 branched alkyl group, the formula (1-2) being wherein R 121 to R 123 are each individually a C1-C4 linear or branched alkyl group, and at least one selected from R 121 to R 123 is a C1-C4 branched alkyl group. 2 . The electrolyte solution according to claim 1 , wherein the compound (1) is present in an amount of 0.01 ppm by mass or more relative to the electrolyte solution. 3 . The electrolyte solution according to claim 1 , wherein at least one selected from R 111 to R 113 is a tert-butyl group in the formula (1-1) and at least one selected from R 121 to R 123 is a tert-butyl group in the formula (1-2). 4 . An electrochemical device comprising the electrolyte solution according to claim 1 . 5 . A lithium ion secondary battery comprising the electrolyte solution according to claim 1 . 6 . A module comprising the electrochemical device according to claim 4 . 7 . A module comprising the lithium ion secondary battery according to claim 5 .
Assignees
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Classifications
Mixture of solvents · CPC title
Batteries in motive systems, e.g. vehicle, ship, plane · CPC title
with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC] · CPC title
- H01M10/0525Primary
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title
Energy storage systems for electromobility, e.g. batteries · CPC title
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- What does patent US2021119256A1 cover?
- An electrolyte solution containing at least one compound (1) selected from the group consisting of a compound represented by the following formula (1-1) (wherein R 111 to R 113 are each individually a C1-C4 linear or branched alkyl group, and at least one selected from R 111 to R 113 is a C1-C4 branched alkyl group) and a compound represented by the following formula (1-2) (wherein R 121 t…
- Who is the assignee on this patent?
- Daikin Ind Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M10/0525. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Apr 22 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).