Anode for lithium metal battery, and electrochemical device comprising same
US-12176528-B2 · Dec 24, 2024 · US
Electrolyte solution, electrochemical device, and lithium ion secondary battery and module
US2021194057A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2021194057-A1 |
| Application number | US-201816757535-A |
| Country | US |
| Kind code | A1 |
| Filing date | Sep 13, 2018 |
| Priority date | Oct 25, 2017 |
| Publication date | Jun 24, 2021 |
| Grant date | — |
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Abstract
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An electrolyte solution containing lithium ethyl sulfate and ethyl sulfate. The lithium ethyl sulfate is present in an amount of 0.1 to 2.0% by mass relative to the electrolyte solution. The lithium ethyl sulfate and the ethyl sulfate give a mass ratio of the lithium ethyl sulfate to the ethyl sulfate of 80 to 1500. Also disclosed is an electrochemical device and lithium ion secondary battery containing the electrolyte solution, a module including the electrochemical device and a method for producing lithium ethyl sulfate.
First claim
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1 . An electrolyte solution comprising lithium ethyl sulfate and ethyl sulfate, the lithium ethyl sulfate being present in an amount of 0.1 to 2.0% by mass relative to the electrolyte solution, the lithium ethyl sulfate and the ethyl sulfate giving a mass ratio of the lithium ethyl sulfate to the ethyl sulfate of 80 to 1500. 2 . The electrolyte solution according to claim 1 , further comprising ethanol in an amount of 1.0×10 −3 to 1000 ppm relative to the electrolyte solution. 3 . The electrolyte solution according to claim 1 , further comprising at least one lithium salt selected from the group consisting of LiPF 6 , LiN(FSO 2 ) 2 , and LiBF 4 . 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 method for producing lithium ethyl sulfate comprising reacting diethyl sulfate with lithium carbonate to provide lithium ethyl sulfate. 8 . A module comprising the lithium ion secondary battery according to claim 5 .
Assignees
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Classifications
- H01M10/052Primary
Li-accumulators · CPC title
characterised by additives · CPC title
Energy storage using batteries · CPC title
characterised by the solutes · CPC title
- H01M10/0567Primary
characterised by the additives · CPC title
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- What does patent US2021194057A1 cover?
- An electrolyte solution containing lithium ethyl sulfate and ethyl sulfate. The lithium ethyl sulfate is present in an amount of 0.1 to 2.0% by mass relative to the electrolyte solution. The lithium ethyl sulfate and the ethyl sulfate give a mass ratio of the lithium ethyl sulfate to the ethyl sulfate of 80 to 1500. Also disclosed is an electrochemical device and lithium ion secondary battery c…
- Who is the assignee on this patent?
- Daikin Ind Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M10/052. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Jun 24 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).