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Titanium dioxide nanoparticle, titanate, lithium titanate nanoparticle, and preparation methods thereof
US9260316B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9260316-B2 |
| Application number | US-201214369555-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 27, 2012 |
| Priority date | Dec 29, 2011 |
| Publication date | Feb 16, 2016 |
| Grant date | Feb 16, 2016 |
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- Title
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Abstract
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The present invention relates to titanium dioxide nanoparticles, titanate, lithium titanate nanoparticles, and preparation methods thereof. According to the present invention, titanium dioxide nanoparticles having a quasicrystalline phase corresponding to an intermediate form between a crystalline phase and an amorphous phase may be provided.
First claim
Opening claim text (preview).
The invention claimed is: 1. A preparation method of titanium dioxide nanoparticles, the preparation method comprising: a) mixing a TiCl 4 solution and water to prepare TiOCl 2 in a jelly form; and (b) obtaining titanium dioxide nanoparticles having a quasicrystalline phase corresponding to an intermediate form between a crystalline phase and an amorphous phase through a hydrothermal reaction of mixing TiOCl 2 having the jelly form with water, wherein in step (a), an amount of water is controlled so that a concentration of Ti 3+ ions becomes 0.1 to 1.3 M, and in step (b), an amount of water is controlled so that a concentration of Ti 3+ ions becomes 1.5 to 4.3 M. 2. The preparation method of claim 1 , wherein the hydrothermal reaction in step (b) is a reaction performed by heating to a temperature of 50 to 200° C.
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Classifications
by hydrolysing chloride-containing salts · CPC title
Submicrometer sized, i.e. from 0.1-1 micrometer · CPC title
obtained by TEM, STEM, STM or AFM · CPC title
obtained by SEM · CPC title
- C01G23/005Primary
Alkali titanates · CPC title
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Frequently asked questions
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- What does patent US9260316B2 cover?
- The present invention relates to titanium dioxide nanoparticles, titanate, lithium titanate nanoparticles, and preparation methods thereof. According to the present invention, titanium dioxide nanoparticles having a quasicrystalline phase corresponding to an intermediate form between a crystalline phase and an amorphous phase may be provided.
- Who is the assignee on this patent?
- Posco
- What technology area does this patent fall under?
- Primary CPC classification C01G23/005. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Feb 16 2016 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).