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 Complex Oxide
US2016344026A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016344026-A1 |
| Application number | US-201515111021-A |
| Country | US |
| Kind code | A1 |
| Filing date | Feb 25, 2015 |
| Priority date | Mar 3, 2014 |
| Publication date | Nov 24, 2016 |
| Grant date | — |
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Abstract
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Provided is a novel lithium complex oxide containing molybdenum. A complex oxide represented by the following compositional formula: Li x M y Mo z O wherein M is one or two or more selected from the group consisting of Mn, Ru, Sn, Mg, Al, Ti, V, Cr, Fe, Co, Ni, Cu, and Zn; x is in the range of 0.60 to 0.75; y is in the range of 0.15 to 0.25; and z is in the range of 0.075 to 0.20.
First claim
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1 . A complex oxide represented by the following compositional formula: Li x M y Mo z O wherein M is one or two or more selected from the group consisting of Mn, Ru, Sn, Mg, Al, Ti, V, Cr, Fe, Co, Ni, Cu, and Zn, and x is in the range of 0.60 to 0.75, y is in the range of 0.15 to 0.25, z is in the range of 0.075 to 0.20, and an average valence of Mo is 5.7 to 6.0. 2 . The complex oxide according to claim 1 , wherein the complex oxide has a rock-salt structure with ordering of a part of cations. 3 . The complex oxide according to claim 1 , wherein the complex oxide has a Li 5 ReO 6 -type crystal structure with Re sites substituted with Mo or M, and with a part of Li sites substituted with M. 4 . The complex oxide according to claim 1 , wherein the complex oxide has a Li 4 MoO 5 -type crystal structure with a part of Mo sites substituted with M, and with a part of Li sites substituted with M. 5 . The complex oxide according to claim 1 , wherein the complex oxide has a Li 2 MnO 3 -type crystal structure with Mn sites substituted with Mo or M, and with a part of Li sites substituted with M. 6 . The complex oxide according to claim 1 , satisfying: x+y+z=0.95 to 1.05. 7 . The complex oxide according to claim 1 , wherein M is one or two or more selected from the group consisting of Ni, Mn, Fe, and Co. 8 . A positive electrode for a non-aqueous electrolyte secondary battery, comprising the complex oxide according to claim 1 as a positive electrode active material. 9 . A non-aqueous electrolyte secondary battery comprising the positive electrode according to claim 8 .
Assignees
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Classifications
by coating on electrode collectors · CPC title
of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy (H01M4/505, H01M4/525 take precedence) · CPC title
- H01M4/505Primary
of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy · CPC title
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title
of the type (Mn2O5)n- · CPC title
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Frequently asked questions
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- What does patent US2016344026A1 cover?
- Provided is a novel lithium complex oxide containing molybdenum. A complex oxide represented by the following compositional formula: Li x M y Mo z O wherein M is one or two or more selected from the group consisting of Mn, Ru, Sn, Mg, Al, Ti, V, Cr, Fe, Co, Ni, Cu, and Zn; x is in the range of 0.60 to 0.75; y is in the range of 0.15 to 0.25; and z is in the range of 0.075 to 0.20.
- Who is the assignee on this patent?
- Jx Nippon Mining & Metals Corp, Univ Tokyo Science Found
- What technology area does this patent fall under?
- Primary CPC classification H01M4/505. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Nov 24 2016 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).