DE1920688A1 - Elektrode fuer ein elektrochemisches Element und Verfahren zur Herstellung einer solchen Elektrode - Google Patents
Elektrode fuer ein elektrochemisches Element und Verfahren zur Herstellung einer solchen ElektrodeInfo
- Publication number
- DE1920688A1 DE1920688A1 DE19691920688 DE1920688A DE1920688A1 DE 1920688 A1 DE1920688 A1 DE 1920688A1 DE 19691920688 DE19691920688 DE 19691920688 DE 1920688 A DE1920688 A DE 1920688A DE 1920688 A1 DE1920688 A1 DE 1920688A1
- Authority
- DE
- Germany
- Prior art keywords
- electrode
- tape
- diffusion rate
- current
- electrolyte
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 239000003792 electrolyte Substances 0.000 claims description 18
- 230000002209 hydrophobic effect Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 238000003490 calendering Methods 0.000 claims description 12
- 238000009792 diffusion process Methods 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000000654 additive Substances 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 7
- 230000003197 catalytic effect Effects 0.000 claims description 5
- 239000003921 oil Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 6
- 244000025254 Cannabis sativa Species 0.000 claims 3
- 230000005661 hydrophobic surface Effects 0.000 claims 1
- 229920005553 polystyrene-acrylate Polymers 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 230000035699 permeability Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 241000396386 Saga Species 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- BXOBFMUWVVHLFK-QXMHVHEDSA-N [(z)-octadec-9-enyl] 2-methylprop-2-enoate Chemical compound CCCCCCCC\C=C/CCCCCCCCOC(=O)C(C)=C BXOBFMUWVVHLFK-QXMHVHEDSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 229920001490 poly(butyl methacrylate) polymer Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
- H01M4/8896—Pressing, rolling, calendering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8803—Supports for the deposition of the catalytic active composition
- H01M4/8807—Gas diffusion layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inert Electrodes (AREA)
- Hybrid Cells (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1973968 | 1968-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1920688A1 true DE1920688A1 (de) | 1969-11-13 |
Family
ID=10134397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691920688 Pending DE1920688A1 (de) | 1968-04-25 | 1969-04-23 | Elektrode fuer ein elektrochemisches Element und Verfahren zur Herstellung einer solchen Elektrode |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1920688A1 (OSRAM) |
| FR (1) | FR2006932A1 (OSRAM) |
| GB (1) | GB1256706A (OSRAM) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2832513A1 (de) * | 1977-08-01 | 1979-02-08 | Union Carbide Corp | Luftsauerstoff-zelle |
| FR2420850A1 (fr) * | 1978-03-20 | 1979-10-19 | Varta Batterie | Procede pour fabriquer une electrode a oxygene de l'air |
| FR2504021A1 (fr) * | 1981-04-17 | 1982-10-22 | Gipelec | Membrane de regulation de diffusion gazeuse, son procede de fabrication et pile a electrode positive a diffusion gazeuse utilisant une telle membrane |
-
1968
- 1968-04-25 GB GB1973968A patent/GB1256706A/en not_active Expired
-
1969
- 1969-04-23 DE DE19691920688 patent/DE1920688A1/de active Pending
- 1969-04-24 FR FR6913106A patent/FR2006932A1/fr not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2832513A1 (de) * | 1977-08-01 | 1979-02-08 | Union Carbide Corp | Luftsauerstoff-zelle |
| FR2420850A1 (fr) * | 1978-03-20 | 1979-10-19 | Varta Batterie | Procede pour fabriquer une electrode a oxygene de l'air |
| FR2504021A1 (fr) * | 1981-04-17 | 1982-10-22 | Gipelec | Membrane de regulation de diffusion gazeuse, son procede de fabrication et pile a electrode positive a diffusion gazeuse utilisant une telle membrane |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1256706A (OSRAM) | 1971-12-15 |
| FR2006932A1 (OSRAM) | 1970-01-02 |
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