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

US12315885B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-12315885-B2
Application numberUS-202318525152-A
CountryUS
Kind codeB2
Filing dateNov 30, 2023
Priority dateMay 14, 2018
Publication dateMay 27, 2025
Grant dateMay 27, 2025

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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 capable of reducing the initial resistance of an electrochemical device, and an electrochemical device including the electrolyte solution. The electrolyte solution contains a compound represented by formula (1-1): wherein R 111 to R 113 are each individually a C1-C4 linear alkyl group, and wherein the compound (1-1) is present in an amount of 0.01-1000 mass ppm relative to the electrolyte solution.

First claim

Opening claim text (preview).

What is claimed is: 1. An electrolyte solution comprising a compound (1-1) represented by following formula (1-1): wherein R 111 to R 113 are each individually a C1-C4 linear alkyl group, wherein the compound (1-1) is present in an amount of 0.01-5 mass ppm relative to the electrolyte solution. 2. An electrochemical device comprising the electrolyte solution according to claim 1 . 3. A lithium ion secondary battery comprising the electrolyte solution according to claim 1 . 4. A module comprising the electrochemical device according to claim 2 . 5. A module comprising the lithium ion secondary battery according to claim 3 .

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 US12315885B2 cover?
An electrolyte solution capable of reducing the initial resistance of an electrochemical device, and an electrochemical device including the electrolyte solution. The electrolyte solution contains a compound represented by formula (1-1): wherein R 111 to R 113 are each individually a C1-C4 linear alkyl group, and wherein the compound (1-1) is present in an amount of…
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 May 27 2025 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 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).