Positive electrode active material and preparation method thereof, positive electrode plate, secondary battery, battery module, battery pack, and electric apparatus
US-2024429384-A1 · Dec 26, 2024 · US
Lithium secondary battery
US9099739B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9099739-B2 |
| Application number | US-201213535109-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 27, 2012 |
| Priority date | Oct 20, 2011 |
| Publication date | Aug 4, 2015 |
| Grant date | Aug 4, 2015 |
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Abstract
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In one aspect, a lithium secondary battery that includes a positive electrode including a high-voltage positive active material; and a separator is provided. The high voltage positive active material can have a discharge plateau voltage of greater than or equal to about 4.6V with respect to a Li counter electrode, and the separator can include a porous substrate having a porosity of about 40% to about 60%.
First claim
Opening claim text (preview).
What is claimed is: 1. A lithium secondary battery comprising a positive electrode including a high-voltage positive active material; and a separator, wherein the separator comprises a substrate of polyethylene, polypropylene, polyvinylidene fluoride, or a multilayer thereof, wherein the high-voltage positive active material has a discharge plateau voltage of about 4.6V to about 5.3V with respect to a Li counter electrode and the high-voltage positive active material is select…
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9099739B2 cover?
- In one aspect, a lithium secondary battery that includes a positive electrode including a high-voltage positive active material; and a separator is provided. The high voltage positive active material can have a discharge plateau voltage of greater than or equal to about 4.6V with respect to a Li counter electrode, and the separator can include a porous substrate having a porosity of about 40% t…
- Who is the assignee on this patent?
- Jung Won-Il, Kim Seon-Hye, Samsung Sdi Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M4/525. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 04 2015 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).