Method and system for manufacturing membrane-electrode-gas diffusion layer assembly for fuel cell
US-2024136539-A1 · Apr 25, 2024 · US
Gas diffusion electrode, method of producing same, membrane electrode assembly comprising same and method of producing membrane electrode assembly comprising same
US9105933B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9105933-B2 |
| Application number | US-201113704187-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 29, 2011 |
| Priority date | Jun 29, 2010 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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A process for producing a gas diffusion electrode comprising the steps of: casting a porous electrically conductive web with a suspension of particles of an electrically conductive material in a solution of a first binder to provide a first layer which is an electrochemically active layer (AL); casting a suspension of particles of a hydrophobic material in a solution of a second binder on said first layer to provide a second layer; and subjecting said first and second layer to phase inversion thereby realizing porosity in both said first layer and said second layer, wherein said subjection of said second layer to phase inversion thereby realizes a water repellent layer; a gas diffusion electrode obtained therewith; the use of a gas diffusion electrode in an membrane electrode assembly; a membrane electrode assembly comprising the gas diffusion electrode; and a method of producing a membrane electrode assembly is realized, said membrane electrode assembly comprising a membrane sandwiched between two electrodes at least one of which is a gas diffusion electrode, wherein said method comprises the step of casting said membrane electrode assembly in a single pass.
First claim
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The invention claimed is: 1. A process for producing a gas diffusion electrode comprising the steps of: casting a porous electrically conductive web with a suspension of particles of an electrically conductive material in a solution of a first binder to provide a first layer which is an electrochemically active layer; casting a suspension of particles of a hydrophobic material in a solution of a second binder on said first layer to provide a second layer; and subjecting said f…
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US9105933B2 cover?
- A process for producing a gas diffusion electrode comprising the steps of: casting a porous electrically conductive web with a suspension of particles of an electrically conductive material in a solution of a first binder to provide a first layer which is an electrochemically active layer (AL); casting a suspension of particles of a hydrophobic material in a solution of a second binder on said …
- Who is the assignee on this patent?
- Alvarez Gallego Yolanda, Vermeiren Philippe, Claes Andre-Viktor, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H01M4/8605. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Aug 11 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).