Thermally self-chargeable flexible energe storage device and method of forming and operating the same
US-2020295370-A1 · Sep 17, 2020 · US
Thermo-electric capacitor
US11626256B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11626256-B2 |
| Application number | US-201916957959-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 15, 2019 |
| Priority date | Jan 15, 2018 |
| Publication date | Apr 11, 2023 |
| Grant date | Apr 11, 2023 |
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Abstract
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Devices that convert heat into electricity, and methods for a fabrication of the same are provided. The asymmetric thermo-electrochemical capacitor uses a GO-based positive electrode and a battery-type negative electrode to open up the operating voltage window and enhance the electrical discharge capacity for converting low-grade heat into electricity with excellent efficiency, fast thermo-charging time, and stable cycles. The thermo-electrochemical device includes a carbon-based positive electrode, a conductive polymer or a metal-organic framework as negative electrode, a current collector, and a porous separator.
First claim
Opening claim text (preview).
What is claimed is: 1. A thermo-electrochemical device that converts heat into electricity, comprising: a carbon-based positive electrode; a conductive polymer or a metal-organic framework (MOF) as a negative electrode; a current collector; and a porous separator. 2. The thermo-electrochemical device of claim 1 , wherein the carbon-based positive electrode is comprised of graphene oxide (GO). 3. The thermo-electrochemical device of claim 1 , wherein the conductive polymer is polyaniline (PANT). 4. The thermo-electrochemical device of claim 1 , wherein the metal-organic framework is a Prussian blue analogue. 5. The thermo-electrochemical device of claim 4 , wherein the Prussian blue analogue is NiHCF or CuHCF. 6. The thermo-electrochemical device of claim 1 , wherein the device operates at an isothermal condition during a heat-to-current conversion cycle. 7. The thermo-electrochemical device of claim 6 , wherein the device operates within a temperature range of from 0° C. to 200° C.
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Frequently asked questions
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- What does patent US11626256B2 cover?
- Devices that convert heat into electricity, and methods for a fabrication of the same are provided. The asymmetric thermo-electrochemical capacitor uses a GO-based positive electrode and a battery-type negative electrode to open up the operating voltage window and enhance the electrical discharge capacity for converting low-grade heat into electricity with excellent efficiency, fast thermo-char…
- Who is the assignee on this patent?
- Versitech Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01G9/042. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Apr 11 2023 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 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).