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
High energy cathodes for lithium ion batteries
US2020235391A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2020235391-A1 |
| Application number | US-202016840573-A |
| Country | US |
| Kind code | A1 |
| Filing date | Apr 6, 2020 |
| Priority date | Nov 22, 2016 |
| Publication date | Jul 23, 2020 |
| Grant date | — |
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Abstract
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An electrode includes a material represented by L 1-x M x CoO 2-d where 0<x≤0.2 and 0≤d≤0.2. The variable M includes a metal selected from the group consisting of transition metals, Group I elements, and Group II elements.
First claim
Opening claim text (preview).
What is claimed is: 1 . An electrode, comprising: a material represented by Li 1-x M x CoO 2-d where 0<x≤0.2 and 0≤d≤0.2; wherein M comprises a metal selected from the group consisting of transition metals, Group I elements, and Group II elements. 2 . The electrode of claim 1 , wherein M is present in a lithium site of the material. 3 . The electrode of claim 1 , wherein M is magnesium. 4 . The electrode of claim 1 , wherein M is zirconium. 5 . The electrode of claim 1 , wherein M is niobium. 6 . The electrode of claim 1 , wherein M is sodium. 7 . The electrode of claim 1 , wherein 0<x≤0.1. 8 . The electrode of claim 1 , wherein 0<x≤0.05. 9 . The electrode of claim 1 , wherein d is 0. 10 . The electrode of claim 1 , wherein the material comprises Li 0.95 Zr 0.05 CoO 2 . 11 . The electrode of claim 1 , wherein the material comprises Li 0.99 Mg 0.01 CoO 2 . 12 . A battery comprising: an anode; a cathode; and an electrolyte between the anode and the cathode, wherein the cathode comprises an active material represented by Li 1-x M X CoO 2-d , where 0<x≤0.2, 0≤d≤0.2, and M comprises a metal selected from the group consisting of transition metals, Group I elements, and Group II elements. 13 . The battery of claim 12 , wherein M is present in a lithium site of the active material of the cathode. 14 . The battery of claim 12 , wherein M is magnesium. 15 . The battery of claim 12 , wherein M is zirconium. 16 . The battery of claim 12 , wherein M is niobium. 17 . The battery of claim 12 , wherein M is sodium. 18 . The battery of claim 12 , wherein 0<x≤0.1. 19 . The battery of claim 12 , wherein the material comprises Li 0.95 Zr 0.05 CoO 2 . 20 . The battery of claim 12 , wherein the material comprises Li 0.99 Mg 0.01 CoO 2 .
Assignees
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Classifications
Energy storage using batteries · CPC title
- H01M4/525Primary
of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy · CPC title
containing elements as dopants · CPC title
Solid solutions · CPC title
containing alkali metals, e.g. LiCoO2 · CPC title
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- What does patent US2020235391A1 cover?
- An electrode includes a material represented by L 1-x M x CoO 2-d where 0<x≤0.2 and 0≤d≤0.2. The variable M includes a metal selected from the group consisting of transition metals, Group I elements, and Group II elements.
- Who is the assignee on this patent?
- Wildcat discovery technologies inc
- 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 Thu Jul 23 2020 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).