CA1045677A - Mode de catalyse d'une electrode de pile a combustible et electrode produite - Google Patents

Mode de catalyse d'une electrode de pile a combustible et electrode produite

Info

Publication number: CA1045677A
Authority: CA; Canada
Prior art keywords: electrode; solution; catalyst; hydrophobic; particles
Prior art date: 1974-12-18
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

Application number

CA289,658A

Other languages

English (en)

Inventor

Murray Katz

Arthur Kaufman

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

RTX Corp

Original Assignee

United Technologies Corp

Priority date (The priority date 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 date listed.)

1974-12-18

Filing date

1977-10-27

Publication date

1979-01-02

1974-12-18 Priority claimed from US05/533,918 external-priority patent/US3932197A/en

1977-10-27 Application filed by United Technologies Corp filed Critical United Technologies Corp

1979-01-02 Application granted granted Critical

1979-01-02 Publication of CA1045677A publication Critical patent/CA1045677A/fr

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 39
239000000446 fuel Substances 0.000 title description 19
239000002245 particle Substances 0.000 claims abstract description 86
239000003054 catalyst Substances 0.000 claims abstract description 65
239000000463 material Substances 0.000 claims abstract description 56
239000000203 mixture Substances 0.000 claims abstract description 45
230000002209 hydrophobic effect Effects 0.000 claims abstract description 39
239000007788 liquid Substances 0.000 claims abstract description 26
238000009736 wetting Methods 0.000 claims abstract description 20
230000008569 process Effects 0.000 claims abstract description 19
238000001704 evaporation Methods 0.000 claims abstract description 15
230000008020 evaporation Effects 0.000 claims abstract description 13
239000006193 liquid solution Substances 0.000 claims abstract description 10
230000008859 change Effects 0.000 claims abstract description 7
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 25
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 24
229910052799 carbon Inorganic materials 0.000 claims description 21
239000002253 acid Substances 0.000 claims description 17
229920001343 polytetrafluoroethylene Polymers 0.000 claims description 16
239000004810 polytetrafluoroethylene Substances 0.000 claims description 16
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
229910052697 platinum Inorganic materials 0.000 claims description 10
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
238000000151 deposition Methods 0.000 claims description 6
229910002804 graphite Inorganic materials 0.000 claims description 4
239000010439 graphite Substances 0.000 claims description 4
230000009467 reduction Effects 0.000 claims description 4
229910052739 hydrogen Inorganic materials 0.000 claims description 3
239000001257 hydrogen Substances 0.000 claims description 3
239000003792 electrolyte Substances 0.000 description 64
239000000243 solution Substances 0.000 description 45
239000000758 substrate Substances 0.000 description 27
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 18
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 15
229940058401 polytetrafluoroethylene Drugs 0.000 description 15
229940105289 carbon black Drugs 0.000 description 13
235000019241 carbon black Nutrition 0.000 description 13
239000006229 carbon black Substances 0.000 description 13
239000011159 matrix material Substances 0.000 description 11
229910000147 aluminium phosphate Inorganic materials 0.000 description 9
239000007789 gas Substances 0.000 description 9
238000006243 chemical reaction Methods 0.000 description 8
239000007791 liquid phase Substances 0.000 description 8
239000011148 porous material Substances 0.000 description 7
238000011282 treatment Methods 0.000 description 7
150000001875 compounds Chemical class 0.000 description 6
239000012808 vapor phase Substances 0.000 description 6
238000012545 processing Methods 0.000 description 5
239000000376 reactant Substances 0.000 description 5
238000006722 reduction reaction Methods 0.000 description 5
230000008021 deposition Effects 0.000 description 4
238000009792 diffusion process Methods 0.000 description 4
239000004005 microsphere Substances 0.000 description 4
239000000126 substance Substances 0.000 description 4
230000009471 action Effects 0.000 description 3
238000009835 boiling Methods 0.000 description 3
238000005260 corrosion Methods 0.000 description 3
230000007797 corrosion Effects 0.000 description 3
238000005470 impregnation Methods 0.000 description 3
239000007800 oxidant agent Substances 0.000 description 3
230000001590 oxidative effect Effects 0.000 description 3
239000010453 quartz Substances 0.000 description 3
230000027756 respiratory electron transport chain Effects 0.000 description 3
VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
239000002699 waste material Substances 0.000 description 3
150000001298 alcohols Chemical class 0.000 description 2
238000013459 approach Methods 0.000 description 2
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229910052796 boron Inorganic materials 0.000 description 2
239000003638 chemical reducing agent Substances 0.000 description 2
239000004020 conductor Substances 0.000 description 2
230000005611 electricity Effects 0.000 description 2
230000008014 freezing Effects 0.000 description 2
238000007710 freezing Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
-1 polytetrafluoro-ethylene Polymers 0.000 description 2
238000011084 recovery Methods 0.000 description 2
229910052580 B4C Inorganic materials 0.000 description 1
101100495270 Caenorhabditis elegans cdc-26 gene Proteins 0.000 description 1
229920000049 Carbon (fiber) Polymers 0.000 description 1
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
239000004812 Fluorinated ethylene propylene Substances 0.000 description 1
239000004793 Polystyrene Substances 0.000 description 1
241000231739 Rutilus rutilus Species 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
230000001476 alcoholic effect Effects 0.000 description 1
230000003466 anti-cipated effect Effects 0.000 description 1
230000000903 blocking effect Effects 0.000 description 1
INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
239000004917 carbon fiber Substances 0.000 description 1
229910002090 carbon oxide Inorganic materials 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
229940000425 combination drug Drugs 0.000 description 1
239000000470 constituent Substances 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000004821 distillation Methods 0.000 description 1
238000003487 electrochemical reaction Methods 0.000 description 1
238000011049 filling Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
238000011221 initial treatment Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
239000003863 metallic catalyst Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
239000012046 mixed solvent Substances 0.000 description 1
238000002156 mixing Methods 0.000 description 1
229910000510 noble metal Inorganic materials 0.000 description 1
230000006911 nucleation Effects 0.000 description 1
238000010899 nucleation Methods 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
230000035699 permeability Effects 0.000 description 1
239000012071 phase Substances 0.000 description 1
229920002223 polystyrene Polymers 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
239000012495 reaction gas Substances 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
238000006479 redox reaction Methods 0.000 description 1
238000012958 reprocessing Methods 0.000 description 1
239000007787 solid Substances 0.000 description 1
125000006850 spacer group Chemical group 0.000 description 1
239000001117 sulphuric acid Substances 0.000 description 1
235000011149 sulphuric acid Nutrition 0.000 description 1
230000001502 supplementing effect Effects 0.000 description 1
229910052715 tantalum Inorganic materials 0.000 description 1
GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
230000000007 visual effect Effects 0.000 description 1
238000005303 weighing Methods 0.000 description 1
230000004584 weight gain Effects 0.000 description 1
235000019786 weight gain Nutrition 0.000 description 1

Classifications

- 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

Inert Electrodes (AREA)

CA289,658A 1974-12-18 1977-10-27 Mode de catalyse d'une electrode de pile a combustible et electrode produite Expired CA1045677A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US05/533,918 US3932197A (en)	1974-12-18	1974-12-18	Method for catalyzing a fuel cell electrode and an electrode so produced
CA235,509A CA1040258A (fr)	1974-12-18	1975-09-11	Electrode et methode pour catalyser cette electrode de pile a combustible

Publications (1)

Publication Number	Publication Date
CA1045677A true CA1045677A (fr)	1979-01-02

Family

ID=25668075

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CA289,659A Expired CA1041163A (fr)	1974-12-18	1977-10-27	Mode de catalyse et production d'une electrode de pile a combustible
CA289,658A Expired CA1045677A (fr)	1974-12-18	1977-10-27	Mode de catalyse d'une electrode de pile a combustible et electrode produite

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CA289,659A Expired CA1041163A (fr)	1974-12-18	1977-10-27	Mode de catalyse et production d'une electrode de pile a combustible

Country Status (1)

Country	Link
CA (2)	CA1041163A (fr)

1977
- 1977-10-27 CA CA289,659A patent/CA1041163A/fr not_active Expired
- 1977-10-27 CA CA289,658A patent/CA1045677A/fr not_active Expired

Also Published As

Publication number	Publication date
CA1041163A (fr)	1978-10-24

Publication	Publication Date	Title
CA1040258A (fr)	1978-10-10	Electrode et methode pour catalyser cette electrode de pile a combustible
US3979227A (en)	1976-09-07	Method for catalyzing a fuel cell electrode and an electrode so produced
EP0603175B1 (fr)	1998-05-27	Electrode a haute efficacite, a diffusion de gaz et contenant du metal catalytique sur un support, procede de fabrication de ladite electrode et cellule l'utilisant
US5998057A (en)	1999-12-07	Gas diffusion electrode for polymer electrolyte membrane fuel cells
US3899354A (en)	1975-08-12	Gas electrodes and a process for producing them
JP4430819B2 (ja)	2010-03-10	電気化学電池のための多孔質の保持層
JP3245929B2 (ja)	2002-01-15	燃料電池及びその応用装置
CA2322692A1 (fr)	1999-09-10	Impregnation des particules electrocatalytiques microporeuses visant a ameliorer les performances d'une pile a combustible electrochimique
JPH0652871A (ja)	1994-02-25	固体高分子型燃料電池
US20110008706A1 (en)	2011-01-13	Polymer coating of pem fuel cell catalyst layers
Austin et al.	1965	Simple-pore and thin-film models of porous gas diffusion electrodes
EP0344219B1 (fr)	1993-03-24	Membrane permeable aux gaz et permeable aux ions pour systeme electrochimique
US4546010A (en)	1985-10-08	Process for producing an electrically conductive layer on the surface of a solid-body electrolyte, and electrically conductive layer
JPH06275282A (ja)	1994-09-30	燃料電池
CA1045677A (fr)	1979-01-02	Mode de catalyse d'une electrode de pile a combustible et electrode produite
US6306536B1 (en)	2001-10-23	Method of reducing fuel cell performance degradation of an electrode comprising porous components
JP4238423B2 (ja)	2009-03-18	カーボンシートの製造方法及び燃料電池用電極の製造方法
CA2423864A1 (fr)	2003-03-27	Procede d'exploitation d'une pile a combustible, pile a combustible a membrane electrolytique polymere fonctionnant avec cette methode et son procede de fabrication
Lin et al.	2006	Cyclic voltammetric measurement of catalyst surface area for Pt-black/nafion electrodes
JPH0766810B2 (ja)	1995-07-19	燃料電池
Watanabe	1992	Laboratory for Electrocatalysis of Fuel Cells, Faculty of Engineering, Yamanashi University, Takeda 4-3, Kofu 400, Japan
JPH0992303A (ja)	1997-04-04	固体高分子型燃料電池電極の製造方法
JPH03252058A (ja)	1991-11-11	燃料電池用電極触媒層
JPH0298054A (ja)	1990-04-10	リン酸型燃料電池の製造方法
JP2004349163A (ja)	2004-12-09	燃料電池用反応物質拡散層の製造方法および燃料電池用電極