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
Positive electrode active material for non-aqueous electrolyte secondary battery
US9608271B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9608271-B2 |
| Application number | US-201514667647-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 24, 2015 |
| Priority date | Mar 24, 2014 |
| Publication date | Mar 28, 2017 |
| Grant date | Mar 28, 2017 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
The present invention provides a positive electrode active material for nonaqueous electrolyte secondary battery including a lithium transition metal composite oxide represented by the following formula: Li a Ni x Mn 2-x Fe y B z O 4 wherein 1.00≦a≦1.30, 0.30≦x≦0.60, 0.003≦y≦0.200, and 0.003≦z≦0.200.
First claim
Opening claim text (preview).
What is claimed is: 1. A positive electrode active material for nonaqueous electrolyte secondary battery comprising a lithium transition metal composite oxide represented by the following formula: Li a Ni x Mn 2-x Fe y B z O 4 wherein 1.00≦a≦1.30, 0.30≦x≦0.60, 0.003≦y≦0.200, and 0.003≦z≦0.200. 2. The positive electrode active material according to claim 1 , wherein 0.30≦x≦0.50. 3. The positive electrode active material according to claim 1 , wherein 0.020≦y+2z≦0.100. 4. The positive electrode active material according to claim 2 , wherein 0.020≦y+2z≦0.100.
Assignees
Inventors
Classifications
of the type (Mn2O4)-, e.g. LiMn2O4 or Li(MxMn2-x)O4 · CPC title
- H01M4/5825Primary
Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines · CPC title
of the type (Mn2O4)-, e.g. Li(CoxMn2-x)O4 or Li(MyCoxMn2-x-y)O4 · CPC title
Energy storage using batteries · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9608271B2 cover?
- The present invention provides a positive electrode active material for nonaqueous electrolyte secondary battery including a lithium transition metal composite oxide represented by the following formula: Li a Ni x Mn 2-x Fe y B z O 4 wherein 1.00≦a≦1.30, 0.30≦x≦0.60, 0.003≦y≦0.200, and 0.003≦z≦0.200.
- Who is the assignee on this patent?
- Nichia Corp
- What technology area does this patent fall under?
- Primary CPC classification H01M4/5825. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Mar 28 2017 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).