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

US2020066463A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2020066463-A1
Application numberUS-201816500499-A
CountryUS
Kind codeA1
Filing dateMar 1, 2018
Priority dateApr 4, 2017
Publication dateFeb 27, 2020
Grant date

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  1. Title

    What the patent document calls the invention.

  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

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An electrolyte solution containing a solvent and a compound represented by the following formula (1), wherein R 1 is a C1-C5 linear or branched non-fluorinated alkyl group optionally containing an ether bond. 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: a solvent; and a compound (1) represented by the following formula (1): wherein R 1 is a C1-C5 linear or branched non-fluorinated alkyl group optionally containing an ether bond. 2 . The electrolyte solution according to claim 1 , further comprising a compound (2) represented by the following formula (2): wherein R 2 and R 3 are the same as or different from each other, and are each a C1-C5 linear or branched non-fluorinated alkyl group optionally containing an ether bond. 3 . The electrolyte solution according to claim 1 , wherein the compound (1) is present in an amount of 0.001 to 1% by mass relative to the electrolyte solution. 4 . The electrolyte solution according to claim 1 , wherein the compound (2) is present in an amount of 0.1 to 5% by mass relative to the electrolyte solution. 5 . The electrolyte solution according to claim 1 , further comprising hydrogen fluoride, wherein the hydrogen fluoride is present in an amount of 5 to 200 ppm relative to the electrolyte solution. 6 . The electrolyte solution according to claim 1 , further comprising an electrolyte salt. 7 . An electrochemical device comprising the electrolyte solution according to claim 1 . 8 . A lithium ion secondary battery comprising the electrolyte solution according to claim 1 . 9 . A module comprising the electrochemical device according to claim 7 . 10 . A module comprising the lithium ion secondary battery according to claim 8 .

Assignees

Inventors

Classifications

  • Liquid electrolytes, e.g. impregnating materials (H01G11/54 takes precedence) · CPC title

  • with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC] · CPC title

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

  • H01G11/64Primary

    characterised by additives · CPC title

  • characterised by the solutes · CPC title

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What does patent US2020066463A1 cover?
An electrolyte solution containing a solvent and a compound represented by the following formula (1), wherein R 1 is a C1-C5 linear or branched non-fluorinated alkyl group optionally containing an ether bond. Also disclosed is an electrochemical device including the electrolyte solution, a lithium ion secondary battery including the electrolyte solution and a module including the electrochemic…
Who is the assignee on this patent?
Daikin Ind Ltd
What technology area does this patent fall under?
Primary CPC classification H01G11/64. Mapped technology areas include Electricity.
When was this patent published?
Publication date Thu Feb 27 2020 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).