Non-aqueous electrolyte secondary battery
US-2021119289-A1 · Apr 22, 2021 · US
Lithium ion battery
US2023038509A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2023038509-A1 |
| Application number | US-202017788098-A |
| Country | US |
| Kind code | A1 |
| Filing date | Oct 15, 2020 |
| Priority date | Dec 26, 2019 |
| Publication date | Feb 9, 2023 |
| Grant date | — |
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- Title
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Abstract
Official abstract text for this publication.
A lithium ion battery according to the present invention comprises a positive electrode, a negative electrode, a positive electrode lead that is connected to the positive electrode, an insulation tape that covers the positive electrode lead, and an electrolyte solution. The insulation tape comprises a base material layer that is mainly composed of an organic material, and a filler layer that is provided on the base material layer; the filler layer contains an oxide compound of an alkaline earth metal; and the electrolyte solution contains fluorine.
First claim
Opening claim text (preview).
1 . A lithium ion battery, comprising: a positive electrode; a negative electrode; a positive electrode lead connected to the positive electrode; an insulating tape covering the positive electrode lead; and an electrolyte, wherein the insulating tape has a substrate layer mainly containing organic material, and a filler layer provided on the substrate layer, the filler layer includes an oxide compound of an alkaline earth metal, and the electrolyte includes fluorine, wherein the oxide compound of an alkaline earth metal includes at least one of beryllium nitrate, magnesium nitrate, calcium nitrate, strontium nitrate, barium nitrate, beryllium sulfate, magnesium sulfate, calcium sulfate, strontium sulfate, and barium sulfate. 2 . The lithium ion battery according to claim 1 , wherein the electrolyte includes vinylene carbonate. 3 . The lithium ion battery according to claim 1 , wherein the positive electrode includes a Li composite oxide having a Co content of 20% or less. 4 . The lithium ion battery according to claim 1 , wherein the electrolyte includes lithium difluorophosphate (LiPO 2 F 2 ). 5 . The lithium ion battery according to claim 1 , wherein a solvent of the electrolyte includes at least one selected from the group consisting of 4-fluoroethylene carbonate, 4,5-difluoroethylene carbonate, 4,4-difluoroethylene carbonate, 4,4,5-trifluoroethylene carbonate, 4,4,5,5-tetrafluoroethylene carbonate, fluorinated ethyl propionate, fluorinated methyl acetate, fluorinated ethyl acetate, fluorinated propyl acetate, ethyl 2,2,2-trifluoroacetate, methyl 3,3,3-trifluoropropionate, and methyl pentafluoropropionate. 6 . The lithium ion battery according to claim 1 , wherein the electrolyte includes at least one selected from the group consisting of LiPF 6 , lithium bis(fluorosulfonyl)imide (LiFSI), LiBF 4 , LiSbF 6 , LiCF 3 SO 3 , LiCF 3 CO 2 , and LiAsF 6 . 7 . (canceled)
Assignees
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Classifications
Three solvents · CPC title
Fluorinated solvents · CPC title
Tapes · CPC title
inside the batteries, e.g. incorrect connections of electrodes · CPC title
Electrode connections inside a battery casing · CPC title
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Frequently asked questions
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- What does patent US2023038509A1 cover?
- A lithium ion battery according to the present invention comprises a positive electrode, a negative electrode, a positive electrode lead that is connected to the positive electrode, an insulation tape that covers the positive electrode lead, and an electrolyte solution. The insulation tape comprises a base material layer that is mainly composed of an organic material, and a filler layer that is…
- Who is the assignee on this patent?
- Panasonic Holdings Corp, Sanyo Electric Co
- What technology area does this patent fall under?
- Primary CPC classification H01M10/0525. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Feb 09 2023 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 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).