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Impact of membrane characteristics on the performance and cycling of the br2-h2 redox flow cell
US2017244127A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2017244127-A1 |
| Application number | US-201615052640-A |
| Country | US |
| Kind code | A1 |
| Filing date | Feb 24, 2016 |
| Priority date | Feb 24, 2016 |
| Publication date | Aug 24, 2017 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
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Various embodiments may comprise an ion exchange membrane (IEM) redox flow cell comprising a IEM, a negative electrode in contact with a reactive fluid, a liquid electrolyte comprising reactants, a positive electrode in contact with the liquid electrolyte, and a diffusion barrier layer disposed between the IEM and the positive electrode, and wherein the negative electrode is isolated from the positive electrode by the IEM.
First claim
Opening claim text (preview).
What is claimed is: 1 . An ion exchange membrane (IEM) redox flow cell comprising: a IEM; a negative electrode in contact with a reactive fluid; a liquid electrolyte comprising reactants; a positive electrode in contact with the liquid electrolyte; and a diffusion barrier layer disposed between the IEM and the positive electrode, and wherein the negative electrode is isolated from the positive electrode by the IEM. 2 . The IEM redox flow cell of claim 1 , wherein the reactive fluid is a hydrogen gas. 3 . The IEM redox flow cell of claim 1 , wherein the reactants comprise Br 2 and HBr. 4 . The IEM redox flow cell of claim 1 , wherein the positive electrode comprises carbon paper. 5 . The IEM redox flow cell of claim 1 , wherein the diffusion barrier layer comprises at least one of Daramic, Celgard, Millipore, Amer-sil, or Durapore. 6 . The IEM redox flow cell of claim 1 , wherein a catalyst layer is in contact with the PEM on the negative electrode side of the PEM. 7 . The IEM redox flow cell of claim 1 , wherein a catalyst layer is in contact with a microporous layer on the negative electrode side of the PEM. 8 . The IEM redox flow cell of claim 1 , wherein a gas diffusion layer is disposed on the negative electrode side of the PEM. 9 . The IEM redox flow cell of claim 1 , wherein IEM comprises a proton exchange membrane (PEM). 10 . The IEM redox flow cell of claim 1 , wherein IEM comprises a anion exchange membrane (AEM). 11 . The IEM redox flow cell of claim 1 , wherein the diffusion barrier layer is configured to maximize cell round-trip energy efficiency. 12 . The IEM redox flow cell of claim 1 , wherein the reactants comprise at least one of zinc (Zn), vanadium (V), cerium (Ce), or iron (Fe) and species thereof.
Assignees
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Classifications
with one of the reactants being liquid, solid or liquid-charged (H01M8/12 takes precedence) · CPC title
Metals of platinum group (H01M4/94 {, H01M4/9058} take precedence) · CPC title
- H01M8/188Primary
by recharging of redox couples containing fluids; Redox flow type batteries · CPC title
Indirect fuel cells, e.g. fuel cells with redox couple being irreversible (H01M8/18 takes precedence) · CPC title
Non-porous diffusion electrodes, e.g. palladium membranes, ion exchange membranes · CPC title
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- What does patent US2017244127A1 cover?
- Various embodiments may comprise an ion exchange membrane (IEM) redox flow cell comprising a IEM, a negative electrode in contact with a reactive fluid, a liquid electrolyte comprising reactants, a positive electrode in contact with the liquid electrolyte, and a diffusion barrier layer disposed between the IEM and the positive electrode, and wherein the negative electrode is isolated from the p…
- Who is the assignee on this patent?
- Tucker Michael C, Cho Kyu Taek, Weber Adam Z, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification H01M8/188. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Aug 24 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). 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).