DE1671713B2 - Verfahren zur herstellung von poroesen, aus einer hydrophilen und einer hydrophoben schicht bestehenden elektroden fuer brennstoffelemente - Google Patents
Verfahren zur herstellung von poroesen, aus einer hydrophilen und einer hydrophoben schicht bestehenden elektroden fuer brennstoffelementeInfo
- Publication number
- DE1671713B2 DE1671713B2 DE1967B0094516 DEB0094516A DE1671713B2 DE 1671713 B2 DE1671713 B2 DE 1671713B2 DE 1967B0094516 DE1967B0094516 DE 1967B0094516 DE B0094516 A DEB0094516 A DE B0094516A DE 1671713 B2 DE1671713 B2 DE 1671713B2
- Authority
- DE
- Germany
- Prior art keywords
- layer
- polytetrafluoroethylene
- powder
- layers
- hydrophobic layer
- 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.)
- Granted
Links
- 230000002209 hydrophobic effect Effects 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000446 fuel Substances 0.000 title claims description 5
- -1 polyethylene Polymers 0.000 claims description 38
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 19
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 19
- 239000000843 powder Substances 0.000 claims description 16
- 239000004698 Polyethylene Substances 0.000 claims description 14
- 229920000573 polyethylene Polymers 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 229920000642 polymer Polymers 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000011244 liquid electrolyte Substances 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 3
- 235000011152 sodium sulphate Nutrition 0.000 claims description 3
- 150000003863 ammonium salts Chemical class 0.000 claims description 2
- 238000007580 dry-mixing Methods 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 description 11
- 239000011148 porous material Substances 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000005871 repellent Substances 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 239000005662 Paraffin oil Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 235000019241 carbon black Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 239000007787 solid Substances 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
- H01M4/96—Carbon-based electrodes
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inert Electrodes (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1967B0094516 DE1671713B2 (de) | 1967-09-16 | 1967-09-16 | Verfahren zur herstellung von poroesen, aus einer hydrophilen und einer hydrophoben schicht bestehenden elektroden fuer brennstoffelemente |
| FR1582267D FR1582267A (enrdf_load_stackoverflow) | 1967-09-16 | 1968-08-30 | |
| CH1354568A CH502002A (de) | 1967-09-16 | 1968-09-11 | Verfahren zur Herstellung von porösen, einseitig hydrophoben Scheibenelektroden mit katalytisch wirksamer Kohle |
| GB1237934D GB1237934A (enrdf_load_stackoverflow) | 1967-09-16 | 1968-09-13 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19671671713 DE1671713C3 (de) | 1967-09-16 | 1967-09-16 | Verfahren zur Herstellung von porösen, aus einer hydrophilen und einer hydrophoben Schicht bestehenden Elektroden für Brennstoffelemente |
| DE1967B0094516 DE1671713B2 (de) | 1967-09-16 | 1967-09-16 | Verfahren zur herstellung von poroesen, aus einer hydrophilen und einer hydrophoben schicht bestehenden elektroden fuer brennstoffelemente |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1671713A1 DE1671713A1 (de) | 1971-09-23 |
| DE1671713B2 true DE1671713B2 (de) | 1976-07-29 |
Family
ID=25754410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1967B0094516 Granted DE1671713B2 (de) | 1967-09-16 | 1967-09-16 | Verfahren zur herstellung von poroesen, aus einer hydrophilen und einer hydrophoben schicht bestehenden elektroden fuer brennstoffelemente |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH502002A (enrdf_load_stackoverflow) |
| DE (1) | DE1671713B2 (enrdf_load_stackoverflow) |
| FR (1) | FR1582267A (enrdf_load_stackoverflow) |
| GB (1) | GB1237934A (enrdf_load_stackoverflow) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2941774C2 (de) * | 1979-10-16 | 1985-03-21 | Varta Batterie Ag, 3000 Hannover | Verfahren und Vorrichtung zur Herstellung einer kunststoffgebundenen Aktivkohleschicht für dünne Gasdiffusionselektroden |
| NL8003949A (nl) * | 1980-07-09 | 1982-02-01 | Electrochem Energieconversie | Werkwijze voor de vervaardiging van een laag van een elektrode voor een cel, in het bijzonder voor een brandstofcel. |
| US4405544A (en) * | 1980-10-31 | 1983-09-20 | Diamond Shamrock Corporation | Strengthening of carbon black-teflon-containing electrode |
| US4337140A (en) * | 1980-10-31 | 1982-06-29 | Diamond Shamrock Corporation | Strengthening of carbon black-teflon-containing electrodes |
| EP0056725A3 (en) * | 1981-01-19 | 1982-08-11 | MPD Technology Corporation | Polymeric electrode |
| DE19721952A1 (de) * | 1997-05-26 | 1998-12-03 | Volker Rosenmayer | Gasdiffusionselektrode mit thermoplastischem Binder |
| DE10052223A1 (de) * | 2000-10-21 | 2002-05-02 | Daimler Chrysler Ag | Mehrschichtiges, flexibles, kohlenstoffhaltiges Schichtpapier mit hoher Biegesteifigkeit |
| CN116394424A (zh) * | 2023-04-25 | 2023-07-07 | 浙江华氟隆新材有限公司 | 一种悬浮聚四氟乙烯膨体板的制备方法 |
-
1967
- 1967-09-16 DE DE1967B0094516 patent/DE1671713B2/de active Granted
-
1968
- 1968-08-30 FR FR1582267D patent/FR1582267A/fr not_active Expired
- 1968-09-11 CH CH1354568A patent/CH502002A/de not_active IP Right Cessation
- 1968-09-13 GB GB1237934D patent/GB1237934A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1237934A (enrdf_load_stackoverflow) | 1971-07-07 |
| CH502002A (de) | 1971-01-15 |
| DE1671713A1 (de) | 1971-09-23 |
| FR1582267A (enrdf_load_stackoverflow) | 1969-09-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |