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
Rechargeable lithium battery
US9054375B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9054375-B2 |
| Application number | US-84004810-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 20, 2010 |
| Priority date | Nov 10, 2009 |
| Publication date | Jun 9, 2015 |
| Grant date | Jun 9, 2015 |
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Abstract
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A rechargeable lithium battery includes a positive electrode including a current collector, a positive active material layer on the current collector and including a lithium manganese-based positive active material, and a protective layer on the positive active material layer and including a phosphite-based compound; a negative electrode; and an electrolyte coupled with the positive electrode and the negative electrode and including a lithium salt, a non-aqueous solvent, and an additive.
First claim
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What is claimed is: 1. A rechargeable lithium battery comprising: a positive electrode comprising a current collector, a positive active material layer on the current collector and comprising a lithium manganese-based positive active material, and a protective layer on the positive active material layer and comprising a decomposition product of a phosphite-based compound; the phosphite-based compound having a Highest Occupied Molecular Orbital (“HOMO”) value of −10 eV to −7 eV and…
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Frequently asked questions
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- What does patent US9054375B2 cover?
- A rechargeable lithium battery includes a positive electrode including a current collector, a positive active material layer on the current collector and including a lithium manganese-based positive active material, and a protective layer on the positive active material layer and including a phosphite-based compound; a negative electrode; and an electrolyte coupled with the positive electrode a…
- Who is the assignee on this patent?
- Choi Nam-Soon, Roh Sae-Weon, Han Man-Seok, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H01M4/366. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jun 09 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).