Electrolyte solution, electrochemical device, lithium ion secondary battery and module

US11888122B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11888122-B2
Application numberUS-202217950036-A
CountryUS
Kind codeB2
Filing dateSep 21, 2022
Priority dateMar 31, 2017
Publication dateJan 30, 2024
Grant dateJan 30, 2024

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

An electrolyte solution including a solvent, the solvent containing a compound (1a) represented by the following formula (1a); and a compound (2) represented by the following formula (2): wherein R e is a C1-C5 linear or branched alkyl group optionally containing an ether bond; R f is a C1-C5 linear or branched alkyl group optionally containing an ether bond; and at least one of R e or R f contains a fluorine atom. 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 the lithium-ion secondary battery.

First claim

Opening claim text (preview).

What is claimed is: 1. An electrolyte solution comprising a solvent, the solvent containing: a compound (1a) represented by the following formula (1a); and a compound (2) represented by the following formula (2): wherein R e is a C1-C5 linear or branched alkyl group optionally containing an ether bond; R f is a C1-C5 linear or branched alkyl group optionally containing an ether bond; and at least one of R e or R f contains a fluorine atom. 2. The electrolyte solution according to claim 1 , wherein the compound (1a) is contained in an amount of 0.001 to 99.999% by volume relative to the solvent. 3. The electrolyte solution according to claim 1 , wherein the compound (2) is contained in an amount of 0.001 to 99.999% by volume 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 lithium-ion secondary battery comprising the electrolyte solution according to claim 1 . 7. A module comprising the electrochemical device according to claim 5 . 8. A module comprising the lithium-ion secondary battery according to claim 6 .

Assignees

Inventors

Classifications

  • characterised by the solvents · CPC title

  • of saturated acids · CPC title

  • Esters of carbonic or haloformic acids · CPC title

  • Ethylene carbonate · CPC title

  • characterised by the solvent · CPC title

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US11888122B2 cover?
An electrolyte solution including a solvent, the solvent containing a compound (1a) represented by the following formula (1a); and a compound (2) represented by the following formula (2): wherein R e is a C1-C5 linear or branched alkyl group optionally containing an ether bond; R f is a C1-C5 linear or branched alkyl group optionally cont…
Who is the assignee on this patent?
Daikin Ind Ltd
What technology area does this patent fall under?
Primary CPC classification H01M10/0569. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Jan 30 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).