Method for preparing nickel-cobalt-manganese hydroxide
US-2016016815-A1 · Jan 21, 2016 · US
Composite precursor, composite prepared therefrom, a method of preparing a composite precursor and a composite, positive electrode for lithium secondary battery including the same, and lithium secondary battery employing the same
US9685657B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9685657-B2 |
| Application number | US-201414285628-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 22, 2014 |
| Priority date | Aug 8, 2013 |
| Publication date | Jun 20, 2017 |
| Grant date | Jun 20, 2017 |
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Abstract
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A composite precursor represented by Formula 1, a composite prepared therefrom represented by Formula 2, a method of preparing a composite precursor and a composite, a positive electrode for lithium secondary battery including the same, and a lithium secondary battery employing the same. a Mn 3 O 4 - b M(OH) 2 Formula 1 wherein in Formula 1, 0<a≦0.8, 0.2≦b<1 and M is at least one metal selected from the group consisting of titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron, (Fe), cobalt (Co), nickel (Ni), copper (Cu), aluminum (Al), magnesium (Mg), zirconium (Zr), and boron (B) a Li 2 MnO 3 - b Li y MO 2 Formula 2 wherein in Formula 2, 0≦a≦0.6, 0.4≦b≦1 1.0≦y≦1.05, and M is at least one metal selected from the group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Al, Mg, Zr, and B.
First claim
Opening claim text (preview).
What is claimed is: 1. A composite precursor represented by Formula 1 below: a Mn 3 O 4 - b M(OH) 2 Formula 1 wherein, 0<a≦0.8, 0.2≦b<1 and M comprises nickel (Ni), manganese (Mn), and cobalt (Co). 2. The composite precursor of claim 1 , wherein the composite precursor represented by Formula 1 is 0.5Mn 3 O 4 -0.5Ni 0.22 Co 0.12 Mn 0.66 (OH) 2 , 0.5Mn 3 O 4 -0.5Ni 0.22 Co 0.12 Mn 0.51 (OH) 2 , 0.05Mn 3 O 4 -0.95Ni 0.26 Co 0.14 Mn 0.6 (OH) 2 , 0.05Mn 3 O 4 -0.85Ni 0.26 Co 0.14 Mn 0.6 (OH) 2 , 0.05Mn 3 O 4 -0.95Ni 0.29 Co 0.12 Mn 0.59 (OH) 2 , 0.05Mn 3 O 4 -0.85Ni 0.29 Co 0.12 Mn 0.59 (OH) 2 , 0.05Mn 3 O 4 -0.95Ni 0.23 Co 0.24 Mn 0.53 (OH) 2 , or 0.05Mn 3 O 4 -0.85Ni 0.23 Co 0.24 Mn 0.536 (OH) 2 . 3. The composite precursor of claim 1 , wherein a peak at 2θ in a range of 35±0.5° is shown in an X-ray diffraction spectrum using Cu—Kα.
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Classifications
Aluminium based · CPC title
Alloys based on lithium · CPC title
as mixtures · CPC title
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries · CPC title
of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx · CPC title
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- What does patent US9685657B2 cover?
- A composite precursor represented by Formula 1, a composite prepared therefrom represented by Formula 2, a method of preparing a composite precursor and a composite, a positive electrode for lithium secondary battery including the same, and a lithium secondary battery employing the same. a Mn 3 O 4 - b M(OH) 2 Formula 1 wherein in Formula 1, 0<a≦0.8, 0.2≦b<1 and M is at least one metal…
- Who is the assignee on this patent?
- 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 Jun 20 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 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).