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Transition metal hexacyanoferrate battery cathode with single plateau charge/discharge curve
US9099718B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9099718-B2 |
| Application number | US-201313752930-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 29, 2013 |
| Priority date | Mar 28, 2012 |
| Publication date | Aug 4, 2015 |
| Grant date | Aug 4, 2015 |
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Abstract
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A transition metal hexacyanoferrate (TMH) cathode battery is provided. The battery has a A x Mn[Fe(CN) 6 ] y .zH 2 O cathode, where the A cations are either alkali or alkaline-earth cations, such as sodium or potassium, where x is in the range of 1 to 2, where y is in the range of 0.5 to 1, and where z is in the range of 0 to 3.5. The A x Mn[Fe(CN) 6 ] y .zH 2 O has a rhombohedral crystal structure with Mn 2+/3+ and Fe 2+3+ having the same reduction/oxidation potential. The battery also has an electrolyte, and anode made of an A metal, an A composite, or a material that can host A atoms. The battery has a single plateau charging curve, where a single plateau charging curve is defined as a constant charging voltage slope between 15% and 85% battery charge capacity. Fabrication methods are also provided.
First claim
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We claim: 1. A method for synthesizing a transition metal hexacyanoferrate (TMH) battery material, the method comprising: preparing a first solution of Mn 2+ ; preparing a second solution of an A salt of Fe(CN) 6 4− ; mixing the first and second solutions; in response to mixing the first and second solutions, precipitating A x Mn[Fe(CN) 6 ] y .zH 2 O; where A cations are selected from a group consisting of alkali and alkaline-earth cations; where x is in a range of 1 to…
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Cross-Sectional Technologies · mapped topic
Electricity · mapped topic
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- What does patent US9099718B2 cover?
- A transition metal hexacyanoferrate (TMH) cathode battery is provided. The battery has a A x Mn[Fe(CN) 6 ] y .zH 2 O cathode, where the A cations are either alkali or alkaline-earth cations, such as sodium or potassium, where x is in the range of 1 to 2, where y is in the range of 0.5 to 1, and where z is in the range of 0 to 3.5. The A x Mn[Fe(CN) 6 ] y .zH 2 O has a rhombohedral crystal struc…
- Who is the assignee on this patent?
- Lu Yuhao, Kisdarjono Hidayat, Lee Jong-Jan, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H01M4/136. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 04 2015 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).