Electrolytic solution, electrochemical device, lithium-ion secondary battery, and module

US12183887B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12183887-B2
Application numberUS-201917054801-A
CountryUS
Kind codeB2
Filing dateApr 12, 2019
Priority dateMay 14, 2018
Publication dateDec 31, 2024
Grant dateDec 31, 2024

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An electrolyte solution containing at least one compound (1) selected from 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 R111 to R113 are each individually a C1-C4 linear alkyl group, the formula (1-2) being:wherein R121 to R123 are each individually a C1-C4 linear alkyl group.

First claim

Opening claim text (preview).

The invention claimed is: 1. An electrolyte solution comprising a compound (1-2) represented by the following formula (1-2), the formula (1-2) being:  wherein R 121 to R 123 are each individually a C1-C4 linear alkyl group, wherein the compound (1-2) is present in an amount of 0.01 mass ppm to 70 mass ppm relative to the electrolyte solution. 2. An electrochemical device comprising the electrolyte solution according to claim 1 . 3. A module comprising the electrochemical device according to claim 2 . 4. A lithium ion secondary battery comprising the electrolyte solution according to claim 1 . 5. A module comprising the lithium ion secondary battery according to claim 4 . 6. The electrolyte solution according to claim 1 , wherein the amount of the compound (1-2) is 0.01 mass ppm to 50 mass ppm relative to the electrolyte solution.

Assignees

Inventors

Classifications

  • Mixture of solvents · CPC title

  • Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title

  • characterised by additives · CPC title

  • characterised by the solute, e.g. salts, anions or cations therein · CPC title

  • characterised by carbonisation or activation of carbon · CPC title

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Frequently asked questions

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What does patent US12183887B2 cover?
An electrolyte solution containing at least one compound (1) selected from 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 R111 to R113 are each individually a C1-C4 linear alkyl group, the formula (1-2) being:wherein R121 to R123 are each individually a C1-C4 linear alkyl group.
Who is the assignee on this patent?
Daikin Ind Ltd
What technology area does this patent fall under?
Primary CPC classification H01G11/06. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Dec 31 2024 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 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).