阅读说明：本技术 具有大几何尺寸的碳基电极 (Carbon-based electrode with large geometry ) 是由 L·鲍曼 D·范豪特文 D·潘特 Y·阿尔瓦雷兹伽莱戈 K·范布洛克霍温 于 2018-09-21 设计创作，主要内容包括：本发明涉及一种具有大几何表面积的碳基电极,其包括具有带有表面积的若干个切口的导电材料的框架,这些切口通过导电材料的各部分而彼此隔开,其中尺寸被设定为以便至少覆盖切口的表面积的碳基子电极被定位在切口中并且被导电地连接到与碳基子电极毗邻的导电材料的各部分的每一者的至少一部分。(The invention relates to a carbon-based electrode with a large geometric surface area, comprising a frame of electrically conductive material having a number of cut-outs with a surface area, the cut-outs being separated from each other by portions of the electrically conductive material, wherein a carbon-based sub-electrode dimensioned so as to cover at least the surface area of the cut-outs is positioned in the cut-outs and conductively connected to at least a portion of each of the portions of the electrically conductive material adjacent to the carbon-based sub-electrode.)

1. A carbon-based electrode having a large geometric surface area, the electrode comprising a frame of conductive material having a number of cutouts with a surface area, the cutouts being spaced from one another by portions of the conductive material, wherein a carbon-based sub-electrode sized so as to cover at least the surface area of the cutouts is positioned in the cutouts and conductively connected to at least a portion of each of the portions of the conductive material adjacent to the carbon-based sub-electrode.

2. The carbon-based electrode according to claim 1, wherein each of the sub-electrodes comprises a current density distributor, and wherein the current density distributor is connected to at least a portion of portions of the conductive material adjacent to the carbon-based sub-electrode comprising the current density distributor.

3. The carbon-based electrode according to claim 2, wherein the frame has the same electrical conductivity as the electrical conductivity of the current density distributor, preferably the frame and the current density distributor of the sub-electrode are made of the same electrically conductive material.

4. The carbon-based electrode according to claim 2 or 3, wherein the frame has an electrical resistance equal to or less than an electrical resistance of the current density distributor.

5. A carbon-based electrode according to any of claims 1-4, wherein said carbon-based sub-electrode fits into said cut-out in a watertight manner.

6. The carbon-based electrode according to claim 5, wherein a sealing material is applied to the connection of the sub-electrodes to the frame.

7. The carbon-based electrode according to any of claims 1-6, wherein the frame of electrically conductive material is made of metal.

8. The carbon-based electrode according to any one of claims 1 to 7, wherein the carbon-based electrode is a gas diffusion electrode.

9. Carbon-based electrode according to any of claims 1 to 8, characterized in that the dimensions of the frame and the dimensions of the portions of conductive material between the cut-outs are selected such that the geometric surface area of the portions of conductive material between the cut-outs amounts to at most 30%, more preferably at most 25%, most preferably at most 20%, in particular at most 15% or even at most 10% of the total geometric surface area of the electrode.

10. The carbon-based electrode according to any one of claims 1-9, wherein the sub-electrodes located in the first portion of the electrode have a porosity that is less than the porosity of the sub-electrodes located in the second portion of the electrode.

11. Carbon-based electrode according to any of claims 1 to 10, characterized in that the electrode has a total surface area of at least 400cm²Preferably at least 900cm²More preferably at least 1600cm²Most preferably at least 1000cm²。

12. An electrochemical cell comprising at least one carbon-based electrode according to any one of claims 1-11.

13. The electrochemical cell of claim 12, further comprising at least one anode, wherein opposing sides of each anode are connected to the carbon-based electrode of any of claims 1-11.

14. The electrochemical cell according to claim 13, wherein the cathode has an active surface that is at least 5 times, preferably at least 10 times, larger than the active surface of the anode.

15. The electrochemical cell of any one of claims 12 to 14, wherein a sub-electrode of the carbon-based electrode with a large geometric surface area located in a lower position in the electrochemical cell closer to the bottom of the electrochemical cell has a smaller porosity than a sub-electrode of the carbon-based electrode with a large geometric surface area located in an upper position in the electrochemical cell closer to the upper portion of the electrochemical cell.

16. The electrochemical cell according to any one of claims 12 to 15, wherein the electrochemical cell is a cell for electrochemical synthesis, an electrochemical wastewater treatment cell, or a microbial fuel cell.