Method for producing a gas diffusion electrode and gas diffusion electrode
Various embodiments include a method for producing a gas diffusion electrode, the method comprising: providing a raw electrode layer comprising an electrically non-conducting web; adapting a thickness of the raw electrode layer; and applying a non-solvent to the raw electrode layer.
1. A method for producing an element for a gas diffusion electrode, the method comprising:
providing a raw electrode layer comprising an electrically non-conducting web;
adapting a thickness of the raw electrode layer;
feeding the raw electrode layer vertically; and
applying a non-solvent to the raw electrode layer during the vertical feeding.
2. The method according to claim 1 , wherein the electrically non-conducting web comprises an organic polymer.
3. The method according to claim 1 , wherein a thickness of the electrically non-conducting web is less than 149 micrometers.
4. The method according to claim 1 , wherein the raw electrode layer comprises particles of an electrode material suspended in a binder.
5. The method according to claim 1 , wherein applying a non-solvent to the raw electrode layer comprises applying a first non-solvent in a closed volume steam and/or spraying the first non-solvent on a surface of the raw-electrode layer.
6. The method according to claim 1 , wherein applying a non-solvent to the raw electrode layer comprises applying a second non-solvent in a non-solvent bath.
7. The method according to claim 1 , wherein providing a raw electrode layer comprises:
providing a first raw electrode layer and a second raw electrode layer; and
pressing together the first raw electrode layer and the second raw electrode layer.
8. The method according to claim 7 , wherein the first raw electrode layer and the second raw electrode layer each comprise an electrically non-conducting web.
9. The method according to claim 1 , further comprising placing a physical barrier in front of a surface of the raw electrode layer before applying the non-solvent to the raw electrode layer.
10. The method according to claim 9 , further comprising controlling a distance between the physical barrier and the surface of the raw electrode layer.