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Asymmetric metal complex as an active material of a flow battery
US12206112B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-12206112-B2 |
| Application number | US-202117479438-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 20, 2021 |
| Priority date | Sep 18, 2020 |
| Publication date | Jan 21, 2025 |
| Grant date | Jan 21, 2025 |
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Abstract
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The present invention teaches an asymmetrical metal complex comprising a metal center coordinated with between two and six hydrophilic ligands, wherein at least one of said hydrophilic ligands is chemically different than the other said hydrophilic ligands.
First claim
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What is claimed is: 1. An asymmetrical metal complex comprising a metal center coordinated with between two and six hydrophilic ligands, wherein at least one of said hydrophilic ligands is chemically different than the other said hydrophilic ligands, and a cation selected from sodium, potassium, lithium, magnesium, calcium, pyridinium, imidazolium, and ammonium, wherein the metal center is selected from iron, cobalt, titanium, vanadium, chromium, manganese, nickel, copper, aluminum, and zinc, and wherein a first ligand of the between two and six hydrophilic ligands is 2,2′-bipyridine-4,4′-dicarboxylic acid (Dcbpy), and where a second ligand of the between two and six hydrophilic ligands is cyanide. 2. The asymmetrical metal complex of claim 1 , further comprising an anion selected from sulfate, carbonate, nitrate, perchlorate, chlorine, bromine, iodine, sulfur, oxalate, cyanide, bicarbonate, hydrogen sulfate, acetyl, and hydroxide. 3. The asymmetrical metal complex of claim 1 , wherein solubility of the asymmetrical metal complex in water is larger than 0.5 M at a temperature of greater than 20° C. 4. The asymmetrical metal complex of claim 1 , wherein the cation is selected from sodium and potassium. 5. The asymmetrical metal complex of claim 1 , wherein the metal center is iron. 6. The asymmetrical metal complex of claim 1 , wherein the metal center is selected from iron, manganese, zinc, and nickel.
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Frequently asked questions
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- What does patent US12206112B2 cover?
- The present invention teaches an asymmetrical metal complex comprising a metal center coordinated with between two and six hydrophilic ligands, wherein at least one of said hydrophilic ligands is chemically different than the other said hydrophilic ligands.
- Who is the assignee on this patent?
- Zhu Yu, Li Xiang, Univ Akron
- What technology area does this patent fall under?
- Primary CPC classification H01M4/60. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jan 21 2025 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).