CS208688B2 - Method of making the powder material impregnated against the humidity,determinated for production of electrodes by the diffusing gas - Google Patents
Method of making the powder material impregnated against the humidity,determinated for production of electrodes by the diffusing gas Download PDFInfo
- Publication number
- CS208688B2 CS208688B2 CS722071A CS207172A CS208688B2 CS 208688 B2 CS208688 B2 CS 208688B2 CS 722071 A CS722071 A CS 722071A CS 207172 A CS207172 A CS 207172A CS 208688 B2 CS208688 B2 CS 208688B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- moisture
- wetproofed
- impregnating agent
- electrodes
- powder
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims abstract description 24
- 239000000843 powder Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 22
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 20
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 19
- 239000006185 dispersion Substances 0.000 claims abstract description 11
- 239000003381 stabilizer Substances 0.000 claims abstract description 8
- 239000004698 Polyethylene Substances 0.000 claims abstract description 7
- 239000007900 aqueous suspension Substances 0.000 claims abstract description 7
- 239000006229 carbon black Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 229920000573 polyethylene Polymers 0.000 claims abstract description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 7
- 239000003960 organic solvent Substances 0.000 claims abstract description 6
- 239000007790 solid phase Substances 0.000 claims abstract description 5
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 4
- 238000005406 washing Methods 0.000 claims abstract description 4
- 238000009835 boiling Methods 0.000 claims abstract description 3
- 239000002612 dispersion medium Substances 0.000 claims description 4
- 239000004816 latex Substances 0.000 claims description 4
- 229920000126 latex Polymers 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003054 catalyst Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 239000004743 Polypropylene Substances 0.000 abstract description 4
- 229920001155 polypropylene Polymers 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 3
- 239000000725 suspension Substances 0.000 abstract description 3
- 244000043261 Hevea brasiliensis Species 0.000 abstract description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 abstract description 2
- 229920001971 elastomer Polymers 0.000 abstract description 2
- 238000000265 homogenisation Methods 0.000 abstract description 2
- 229920001600 hydrophobic polymer Polymers 0.000 abstract description 2
- 229920003052 natural elastomer Polymers 0.000 abstract description 2
- 229920001194 natural rubber Polymers 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract 2
- 150000002500 ions Chemical class 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 16
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 230000002209 hydrophobic effect Effects 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000013543 active substance Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000012254 powdered material Substances 0.000 description 3
- 239000011149 active material Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000004815 dispersion polymer Substances 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 150000002605 large molecules Chemical class 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004078 waterproofing 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
- H01M4/8663—Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers
- H01M4/8668—Binders
-
- 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
- H01M4/8663—Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers
- H01M4/8673—Electrically conductive fillers
-
- 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
- H01M4/8825—Methods for deposition of the catalytic active composition
- H01M4/8867—Vapour deposition
- H01M4/8871—Sputtering
-
- 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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inert Electrodes (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BG1717571 | 1971-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS208688B2 true CS208688B2 (en) | 1981-09-15 |
Family
ID=3897706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS722071A CS208688B2 (en) | 1971-03-29 | 1972-03-28 | Method of making the powder material impregnated against the humidity,determinated for production of electrodes by the diffusing gas |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5648942B1 (enrdf_load_stackoverflow) |
| CS (1) | CS208688B2 (enrdf_load_stackoverflow) |
| DD (1) | DD95611A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2213978A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2132038B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1392341A (enrdf_load_stackoverflow) |
| IT (1) | IT957578B (enrdf_load_stackoverflow) |
| SE (1) | SE385168B (enrdf_load_stackoverflow) |
| SU (1) | SU500557A1 (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4177159A (en) * | 1978-06-28 | 1979-12-04 | United Technologies Corporation | Catalytic dry powder material for fuel cell electrodes comprising fluorocarbon polymer and precatalyzed carbon |
| FR2468218A1 (fr) * | 1979-10-18 | 1981-04-30 | Alsthom Cgee | Procede de fabrication par calandrage de bandes minces poreuses et produits obtenus, notamment electrodes pour piles a combustible |
| US4444852A (en) * | 1982-08-27 | 1984-04-24 | The United States Of America As Represented By The United States Department Of Energy | Size and weight graded multi-ply laminar electrodes |
| US5578361A (en) * | 1994-01-26 | 1996-11-26 | Central Glass Company, Limited | Water-repellent composite grains, method for producing same, and water-repellent article using same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1296819A (fr) * | 1960-07-11 | 1962-06-22 | Chloride Electrical Storage Co | électrode pour traitement électrochimique |
| FR1550508A (enrdf_load_stackoverflow) * | 1966-12-14 | 1968-12-20 |
-
1972
- 1972-03-13 SE SE7203143A patent/SE385168B/xx unknown
- 1972-03-16 GB GB1244572A patent/GB1392341A/en not_active Expired
- 1972-03-20 IT IT49106/72A patent/IT957578B/it active
- 1972-03-21 FR FR7209849A patent/FR2132038B1/fr not_active Expired
- 1972-03-22 DE DE19722213978 patent/DE2213978A1/de not_active Withdrawn
- 1972-03-28 SU SU1765244A patent/SU500557A1/ru active
- 1972-03-28 CS CS722071A patent/CS208688B2/cs unknown
- 1972-03-29 DD DD161894A patent/DD95611A5/xx unknown
- 1972-03-29 JP JP3156572A patent/JPS5648942B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SU500557A1 (ru) | 1976-01-25 |
| DE2213978A1 (de) | 1972-10-19 |
| FR2132038B1 (enrdf_load_stackoverflow) | 1977-04-01 |
| FR2132038A1 (enrdf_load_stackoverflow) | 1972-11-17 |
| IT957578B (it) | 1973-10-20 |
| DD95611A5 (enrdf_load_stackoverflow) | 1973-02-12 |
| SE385168B (sv) | 1976-06-08 |
| GB1392341A (en) | 1975-04-30 |
| JPS5648942B1 (enrdf_load_stackoverflow) | 1981-11-18 |
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