DE2046319C3 - Verfahren zur Vermeidung der Autoxydation von aus Wolframcarbid bestehenden Katalysatoren für Brennstoffelementelektroden - Google Patents
Verfahren zur Vermeidung der Autoxydation von aus Wolframcarbid bestehenden Katalysatoren für BrennstoffelementelektrodenInfo
- Publication number
- DE2046319C3 DE2046319C3 DE2046319A DE2046319A DE2046319C3 DE 2046319 C3 DE2046319 C3 DE 2046319C3 DE 2046319 A DE2046319 A DE 2046319A DE 2046319 A DE2046319 A DE 2046319A DE 2046319 C3 DE2046319 C3 DE 2046319C3
- Authority
- DE
- Germany
- Prior art keywords
- shaping
- electrode
- subjected
- tungsten carbide
- oxidation
- 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.)
- Expired
Links
- 239000003054 catalyst Substances 0.000 title claims description 19
- 238000000034 method Methods 0.000 title claims description 18
- 239000000446 fuel Substances 0.000 title claims description 13
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 title claims description 7
- 238000007254 oxidation reaction Methods 0.000 title claims description 5
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 claims description 10
- -1 polyoxymethylene Polymers 0.000 claims description 9
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 229920006324 polyoxymethylene Polymers 0.000 claims description 8
- 239000005956 Metaldehyde Substances 0.000 claims description 7
- GKKDCARASOJPNG-UHFFFAOYSA-N metaldehyde Chemical compound CC1OC(C)OC(C)OC(C)O1 GKKDCARASOJPNG-UHFFFAOYSA-N 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims 3
- 239000012876 carrier material Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000002779 inactivation Effects 0.000 claims 1
- 239000011261 inert gas Substances 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 239000003792 electrolyte Substances 0.000 description 11
- 239000000126 substance Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 5
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005255 carburizing Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 239000012047 saturated solution Substances 0.000 description 2
- 229910001930 tungsten oxide Inorganic materials 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- KLYCPFXDDDMZNQ-UHFFFAOYSA-N Benzyne Chemical compound C1=CC#CC=C1 KLYCPFXDDDMZNQ-UHFFFAOYSA-N 0.000 description 1
- OLPZECXFDSMXOA-UHFFFAOYSA-N C(C)=O.C1(O)=CC=C(O)C=C1 Chemical compound C(C)=O.C1(O)=CC=C(O)C=C1 OLPZECXFDSMXOA-UHFFFAOYSA-N 0.000 description 1
- 241000282461 Canis lupus Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- SXDBWCPKPHAZSM-UHFFFAOYSA-M bromate Chemical class [O-]Br(=O)=O SXDBWCPKPHAZSM-UHFFFAOYSA-M 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- ICIWUVCWSCSTAQ-UHFFFAOYSA-N iodic acid Chemical class OI(=O)=O ICIWUVCWSCSTAQ-UHFFFAOYSA-N 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 description 1
- VVRQVWSVLMGPRN-UHFFFAOYSA-N oxotungsten Chemical class [W]=O VVRQVWSVLMGPRN-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01M4/90—Selection of catalytic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J33/00—Protection of catalysts, e.g. by coating
-
- 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)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inert Electrodes (AREA)
- Catalysts (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2046319A DE2046319C3 (de) | 1970-09-19 | 1970-09-19 | Verfahren zur Vermeidung der Autoxydation von aus Wolframcarbid bestehenden Katalysatoren für Brennstoffelementelektroden |
| FR707047395A FR2106623B3 (OSRAM) | 1970-09-19 | 1970-12-30 | |
| JP45123177A JPS4943473B1 (OSRAM) | 1970-09-19 | 1970-12-30 | |
| GB4280471A GB1348565A (en) | 1970-09-19 | 1971-09-14 | Method of treating autoxidisable catalyst material to prevent autoxidation thereof |
| BE772695A BE772695A (fr) | 1970-09-19 | 1971-09-16 | Procede pour eviter l'autoxydation d'un materiau catalytique |
| NL7112779A NL7112779A (OSRAM) | 1970-09-19 | 1971-09-17 | |
| US00182144A US3833423A (en) | 1970-09-19 | 1971-09-20 | Fuel cell with wc catalyst-material protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2046319A DE2046319C3 (de) | 1970-09-19 | 1970-09-19 | Verfahren zur Vermeidung der Autoxydation von aus Wolframcarbid bestehenden Katalysatoren für Brennstoffelementelektroden |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2046319A1 DE2046319A1 (de) | 1972-03-23 |
| DE2046319B2 DE2046319B2 (de) | 1974-03-14 |
| DE2046319C3 true DE2046319C3 (de) | 1974-10-31 |
Family
ID=5782870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2046319A Expired DE2046319C3 (de) | 1970-09-19 | 1970-09-19 | Verfahren zur Vermeidung der Autoxydation von aus Wolframcarbid bestehenden Katalysatoren für Brennstoffelementelektroden |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3833423A (OSRAM) |
| JP (1) | JPS4943473B1 (OSRAM) |
| BE (1) | BE772695A (OSRAM) |
| DE (1) | DE2046319C3 (OSRAM) |
| FR (1) | FR2106623B3 (OSRAM) |
| GB (1) | GB1348565A (OSRAM) |
| NL (1) | NL7112779A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3620275A1 (de) * | 1986-06-16 | 1987-12-17 | Henkel Kgaa | Verfahren zur stabilisierung aktivierter katalysatormassen |
| US8316647B2 (en) * | 2009-01-19 | 2012-11-27 | General Electric Company | System and method employing catalytic reactor coatings |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1402070A (en) * | 1919-11-17 | 1922-01-03 | Nat Carbon Co Inc | Reserve cell |
| US2811456A (en) * | 1955-02-28 | 1957-10-29 | Victor Chemical Works | Protective film for ferrous metals |
| US2991188A (en) * | 1958-05-21 | 1961-07-04 | Dow Chemical Co | Spray coating method and coated spray booth |
| US3160950A (en) * | 1962-01-17 | 1964-12-15 | Jr William J O'sullivan | Method and apparatus for shock protection |
| US3285782A (en) * | 1963-07-23 | 1966-11-15 | Gen Electric | Water activated primary battery having a mercury-magnesium alloy anode |
| US3346421A (en) * | 1963-12-30 | 1967-10-10 | Exxon Research Engineering Co | Transition metal electrode |
| DE1496176C3 (de) * | 1964-06-12 | 1975-02-27 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Katalysatoren für Brennstoffelektroden von Brennstoffelementen mit saurem Elektrolyten |
| US3305403A (en) * | 1964-10-20 | 1967-02-21 | American Cyanamid Co | Preparation of fuel cell electrodes with either pyrophoric catalyst material or non-pyrophoric catalyst material |
| US3531327A (en) * | 1967-02-08 | 1970-09-29 | Leesona Corp | Metal/air batteries |
-
1970
- 1970-09-19 DE DE2046319A patent/DE2046319C3/de not_active Expired
- 1970-12-30 FR FR707047395A patent/FR2106623B3/fr not_active Expired
- 1970-12-30 JP JP45123177A patent/JPS4943473B1/ja active Pending
-
1971
- 1971-09-14 GB GB4280471A patent/GB1348565A/en not_active Expired
- 1971-09-16 BE BE772695A patent/BE772695A/xx unknown
- 1971-09-17 NL NL7112779A patent/NL7112779A/xx unknown
- 1971-09-20 US US00182144A patent/US3833423A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BE772695A (fr) | 1972-01-17 |
| FR2106623B3 (OSRAM) | 1973-08-10 |
| DE2046319A1 (de) | 1972-03-23 |
| FR2106623A7 (OSRAM) | 1972-05-05 |
| US3833423A (en) | 1974-09-03 |
| NL7112779A (OSRAM) | 1972-03-21 |
| JPS4943473B1 (OSRAM) | 1974-11-21 |
| GB1348565A (en) | 1974-03-20 |
| DE2046319B2 (de) | 1974-03-14 |
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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 | ||
| EF | Willingness to grant licences | ||
| 8339 | Ceased/non-payment of the annual fee |