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Positive electrode for lithium ion secondary battery, electrode for lithium ion secondary battery, and lithium ion secondary battery
US2018040899A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2018040899-A1 |
| Application number | US-201615549579-A |
| Country | US |
| Kind code | A1 |
| Filing date | Feb 2, 2016 |
| Priority date | Feb 10, 2015 |
| Publication date | Feb 8, 2018 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
The invention provides: a positive electrode for a lithium ion secondary battery, the positive electrode including a positive electrode active material layer, the positive electrode active material layer including insulating polyolefin particles and an electroconductive material; an electrode for a lithium ion secondary battery, the electrode including an electrode active material layer, the electrode active material layer including polyolefin particles and a resin including a structural unit derived from a nitrile group-containing monomer; and a lithium ion secondary battery using the same.
First claim
Opening claim text (preview).
1 . A positive electrode for a lithium ion secondary battery, the positive electrode comprising a positive electrode active material layer, the positive electrode active material layer including insulating polyolefin particles and an electroconductive material. 2 . The positive electrode for a lithium ion secondary battery according to claim 1 , wherein a content of the insulating polyolefin particles is from 0.1% by mass to 10% by mass with respect to a total amount of the positive electrode active material layer. 3 . The positive electrode for a lithium ion secondary battery according to claim 1 , wherein a mass ratio of the insulating polyolefin particles to the electroconductive material (insulating polyolefin particles/conductive material) in the positive electrode active material layer is from 0.15/0.85 to 0.85/0.15. 4 . The positive electrode for a lithium ion secondary battery according to claim 1 , wherein the insulating polyolefin particles have an average particle diameter of from 0.1 μm to 30 μm. 5 . An electrode for a lithium ion secondary battery, the electrode comprising an electrode active material layer, the electrode active material layer comprising polyolefin particles and a resin including a structural unit derived from a nitrile group-containing monomer. 6 . The electrode for a lithium ion secondary battery according to claim 5 , wherein the polyolefin particles have an average particle diameter of from 0.1 μm to 30 μm. 7 . The electrode for a lithium ion secondary battery according to claim 5 , wherein a content of the polyolefin particles is from 0.1% by mass to 10% by mass with respect to a total amount of the electrode active material layer. 8 . A lithium ion secondary battery comprising the electrode for a lithium ion secondary battery according to claim 5 . 9 . A lithium ion secondary battery comprising the positive electrode for a lithium ion secondary battery according to claim 1 .
Assignees
Inventors
Classifications
- H01M4/628Primary
Inhibitors, e.g. gassing inhibitors, corrosion inhibitors · CPC title
Safety or regulating additives or arrangements in electrodes, separators or electrolyte (H01M10/4242 takes precedence) · CPC title
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title
Selection of inactive substances as ingredients for active masses, e.g. binders, fillers · CPC title
Positive electrodes · CPC title
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- What does patent US2018040899A1 cover?
- The invention provides: a positive electrode for a lithium ion secondary battery, the positive electrode including a positive electrode active material layer, the positive electrode active material layer including insulating polyolefin particles and an electroconductive material; an electrode for a lithium ion secondary battery, the electrode including an electrode active material layer, the el…
- Who is the assignee on this patent?
- Hitachi Chemical Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M4/628. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Feb 08 2018 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).