CN1450677A - Air electrode - Google Patents
Air electrode Download PDFInfo
- Publication number
- CN1450677A CN1450677A CN02132701A CN02132701A CN1450677A CN 1450677 A CN1450677 A CN 1450677A CN 02132701 A CN02132701 A CN 02132701A CN 02132701 A CN02132701 A CN 02132701A CN 1450677 A CN1450677 A CN 1450677A
- Authority
- CN
- China
- Prior art keywords
- cobalt
- hydroxide
- air
- layer
- polytetrafluoroethylene
- Prior art date
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- Granted
Links
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 23
- 230000003197 catalytic effect Effects 0.000 claims abstract description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 22
- -1 polytetrafluoroethylene Polymers 0.000 claims description 22
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 15
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 15
- 229910052759 nickel Inorganic materials 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 6
- 239000004809 Teflon Substances 0.000 claims description 6
- 229920006362 Teflon® Polymers 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 6
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 239000004332 silver Substances 0.000 claims description 6
- NDVLTYZPCACLMA-UHFFFAOYSA-N silver oxide Chemical compound [O-2].[Ag+].[Ag+] NDVLTYZPCACLMA-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- CRZONOFOLSLKLM-UHFFFAOYSA-N C12=CC=C(N1)C=C1C=CC(=N1)C=C1C=CC(N1)=CC=1C=CC(N1)=C2.C2(=CC=CC=C2)[Co] Chemical compound C12=CC=C(N1)C=C1C=CC(=N1)C=C1C=CC(N1)=CC=1C=CC(N1)=C2.C2(=CC=CC=C2)[Co] CRZONOFOLSLKLM-UHFFFAOYSA-N 0.000 claims description 3
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- JTCFNJXQEFODHE-UHFFFAOYSA-N [Ca].[Ti] Chemical compound [Ca].[Ti] JTCFNJXQEFODHE-UHFFFAOYSA-N 0.000 claims description 3
- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- CVKFXBUVLBFHGO-UHFFFAOYSA-N cobalt 5,10,15,20-tetraphenyl-21,23-dihydroporphyrin Chemical compound [Co].c1cc2nc1c(-c1ccccc1)c1ccc([nH]1)c(-c1ccccc1)c1ccc(n1)c(-c1ccccc1)c1ccc([nH]1)c2-c1ccccc1 CVKFXBUVLBFHGO-UHFFFAOYSA-N 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 3
- MPMSMUBQXQALQI-UHFFFAOYSA-N cobalt phthalocyanine Chemical compound [Co+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 MPMSMUBQXQALQI-UHFFFAOYSA-N 0.000 claims description 3
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 claims description 3
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 239000008187 granular material Substances 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 235000014413 iron hydroxide Nutrition 0.000 claims description 3
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 3
- 239000003446 ligand Substances 0.000 claims description 3
- IPJKJLXEVHOKSE-UHFFFAOYSA-L manganese dihydroxide Chemical compound [OH-].[OH-].[Mn+2] IPJKJLXEVHOKSE-UHFFFAOYSA-L 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 3
- 239000002808 molecular sieve Substances 0.000 claims description 3
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 claims description 3
- 229910000510 noble metal Inorganic materials 0.000 claims description 3
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 150000004032 porphyrins Chemical class 0.000 claims description 3
- 229910001923 silver oxide Inorganic materials 0.000 claims description 3
- UKHWJBVVWVYFEY-UHFFFAOYSA-M silver;hydroxide Chemical compound [OH-].[Ag+] UKHWJBVVWVYFEY-UHFFFAOYSA-M 0.000 claims description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- 230000001413 cellular effect Effects 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 239000003792 electrolyte Substances 0.000 description 9
- 239000012528 membrane Substances 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 239000011086 glassine Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 235000013495 cobalt Nutrition 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- AMWRITDGCCNYAT-UHFFFAOYSA-L manganese oxide Inorganic materials [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical class [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- PPNAOCWZXJOHFK-UHFFFAOYSA-N manganese(2+);oxygen(2-) Chemical class [O-2].[Mn+2] PPNAOCWZXJOHFK-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- BSWGGJHLVUUXTL-UHFFFAOYSA-N silver zinc Chemical compound [Zn].[Ag] BSWGGJHLVUUXTL-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- YNHJECZULSZAQK-UHFFFAOYSA-N tetraphenylporphyrin Chemical compound C1=CC(C(=C2C=CC(N2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3N2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 YNHJECZULSZAQK-UHFFFAOYSA-N 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)
- Hybrid Cells (AREA)
Abstract
The invention relates to an air electrode, which consists of a catalytic active layer, a current collector, a hydrophobic breathable layer with a stretching direction and a leak-proof sealing layer with the stretching direction vertical to the stretching direction of the hydrophobic breathable layer in sequence, and is manufactured by adopting a rolling type.
Description
Technical field:
The invention belongs to technical field of electrochemistry, in particular a kind of air electrode that is applied in metal-air cell.
Background technology:
Metal-air cell is to make negative pole with the negative metal of electrode potential such as magnesium, aluminium, zinc, cadmium, iron etc., makes anodal active material with airborne oxygen or pure oxygen, and electrolyte generally adopts alkalescence or neutral electrolyte aqueous solution.If when adopting the more negative lithium of electrode potential, sodium, calcium etc. to make negative pole, can only adopt the organic bath or the inorganic electrolyte solution of non-water.
The main feature of metal-air cell is: first, because the used active material of air electrode is an inexhaustible oxygen in the air, so the specific energy height, its theoretical specific energy is generally all more than 1000wh/kg, the actual specific energy belongs to the high-energy chemistry power supply more than 100wh/kg; The second, stable performance, particularly zinc-air cell can be worked under very high current density after adopting powdery porous zinc electrodes and alkaline electrolyte, if adopt pure oxygen to replace air, discharge performance can also increase substantially; The 3rd, low price.
According to the difference of discharge rate, zinc-air cell can be applied to different occasions.It can be used for national defence by the very high zinc-silver battery of displacement cost, as torpedo, guided missile etc.Button zinc-air cell for the work of little electric current long-life can be used for occasions such as wrist-watch, hearing aids and calculator.In, low current density down work can be used for railway signal, radio communication, navigation light, agricultural black light lamp etc. and make power supply.High current density work can be used for vehicle power source, has advantages such as noiseless, non-exhaust emission, is one of first-selected power supply of a kind of up-and-coming green electric motor car.
The conventional air electrode is composited by catalytic active layer, collector conductive mesh, hydrophobic air-permeable layer, collector conductive layer multiple pressure is on the catalytic active layer or be pressed between hydrophobic air-permeable layer and the catalytic active layer, and the hydrophobic air-permeable layer is divided into two kinds of polytetrafluoroethylene type and polyethylene.The air electrode of this structure exists the problems such as carbonating of bad mechanical strength, electrolyte omission or volatilization and electrolyte, has influenced the performance of battery and has limited its application.
Summary of the invention:
Technical problem to be solved by this invention provide a kind of simple in structure, mechanical strength good, the stream of air is controlled, can reduce the become estranged air electrode of carbon dioxide influence of electrolyte stream, to improve the useful life and the storage life of metal-air cell.
Technical scheme of the present invention is: it is successively by forming with the lower part:
By one or more catalytic active layers that constitute in the granular materials such as activated carbon, carbon fibre, graphite, molecular sieve or zeolite of catalyst, polytetrafluoroethylene and high surface; By corrosion resistant metals such as stainless steel, nickel plating mild steel, gold, silver, nickel, tungsten or copper with collector netted or that the cellular form constitutes; The leakproof seal layer that is made of polymer that hydrophobic air-permeable layer with draw direction that is made of the pure film of polytetrafluoroethylene or polytetrafluoroethylene and carbon black and draw direction and hydrophobic air-permeable layer are perpendicular, catalytic active layer, collector, hydrophobic air-permeable layer and leakproof seal layer adopt roll extrusion to form.
Catalyst can be noble metals such as silver, platinum; Can be metal oxides such as manganese dioxide, silver oxide or cobalt oxide; Can be metal hydroxidess such as nickel hydroxide, cobalt hydroxide, iron hydroxide, NaOH, manganous hydroxide, silver hydroxide or chromium hydroxide; Also can be that central metal atom is cobalt, iron, nickel and manganese, ligand be the metallo-chelates such as phthalocyanine cobalt, tetraphenylporphyrin cobalt or tetramethoxy phenyl Cobalt Porphyrin of phthalocyanine, porphyrin; It can also be calcium titanium stone type composite oxide.
The leakproof seal layer is one or more the mixture in polytetrafluoroethylene, polypropylene, polyethylene, polyvinyl chloride, nylon or the Teflon film.
Good effect of the present invention is as follows:
1. as the control mode of a kind of air (oxygen), can avoid the omission or the evaporation of electrolyte, therefore storage life and the aerial exposure lifetimes that has prolonged metal-air cell.
2. improve the mechanical strength of air electrode, helped the machining of metal-air cell.
3. stop and reduced entering of Carbon Dioxide in Air, slowed down the carbonating of alkaline electrolyte, the raising of the internal resistance of cell and the generation of negative pole self discharge have been avoided, the capacity and the life-span that have kept battery, can under high relatively temperature and humidity condition, present good discharge performance, metal-air cell technical application be changed into be possible.
Description of drawings:
Fig. 1 is a section of structure of the present invention.
Embodiment:
With reference to Fig. 1, the present invention is made up of the perpendicular leakproof seal layer 4 of catalytic active layer 1, collector 2, the hydrophobic air-permeable layer 3 with draw direction and draw direction and hydrophobic air-permeable layer 3 draw directions successively, the employing rolling-type is made, earlier make catalytic active layer 1, collector 2, hydrophobic air-permeable layer 3 and leakproof seal layer 4 respectively, pressing forms again.Catalytic active layer 1 is made of in the granular materials such as activated carbon, carbon fibre, graphite, molecular sieve or zeolite of catalyst, polytetrafluoroethylene and high surface one or more, and catalyst can be noble metals such as silver, platinum; Can be metal oxides such as manganese dioxide, silver oxide or cobalt oxide; Can be metal hydroxidess such as nickel hydroxide, cobalt hydroxide, iron hydroxide, NaOH, manganous hydroxide, silver hydroxide or chromium hydroxide; Also can be that central metal atom is cobalt, iron, nickel and manganese, ligand be the metallo-chelates such as phthalocyanine cobalt, tetraphenylporphyrin cobalt or tetramethoxy phenyl Cobalt Porphyrin of phthalocyanine, porphyrin; It can also be calcium titanium stone type composite oxide.Collector 2 generally is to be made of with mesh grid, stretching nets or punching form such as draw in the net corrosion resistant metals such as stainless steel, nickel plating mild steel, gold, silver, nickel, tungsten or copper.Hydrophobic air-permeable layer 3 is made of the pure film of polytetrafluoroethylene or polytetrafluoroethylene and carbon black.Leakproof seal layer 4 is one or more the mixtures in polytetrafluoroethylene, polypropylene, polyethylene, polyvinyl chloride, nylon or the Teflon film.Hydrophobic air-permeable layer 3 and leakproof seal layer 4 can extend on a certain direction and be orientated under certain force-extension, will produce different aperture on level and the vertical direction.Therefore, vertical each other hydrophobic air-permeable layer 3 of the direction of orientation that is drawn into through different directions and leakproof seal layer 4 omission or the volatilization that can prevent electrolyte effectively.Can select the size and the shape in aperture by the control hot strength,, stop the influence of moisture and carbon dioxide, guarantee the capacity and the performance of metal-air cell, improve its storage life and useful life so that regulate and control the path of air effectively.
Embodiment 1
200 gram tetraphenylporphyrin cobalts with after 1000 gram activated carbon mix, were heated 5 hours under 700 ℃ of inert nitrogen protections, add 20% polytetrafluoroethylene binding agent and the stirring of 10 kg of water 3 hours again, be rolled into the catalytic membrane that thickness is about 0.1mm at 10Mpa.Collector uses the conduction nickel screen.The hydrophobic air-permeable layer is that the mixed liquor with carbon black and 20% polytetrafluoroethylene spreads upon on the nylon membrane of simple tension drying.The leakproof seal layer uses the Teflon film vertical with hydrophobic air-permeable layer draw direction.In the compressing tablet film, put into no glycerine glassine paper, put into leakproof seal layer, hydrophobic air-permeable layer, conducting matrix grain and catalytic membrane successively, then glassine paper is covered on the catalytic membrane, extrusion forming under heating, 10Mpa under 260 ℃, being cut into area is 100cm
2Air electrode.With the test that polarizes of stable state constant current, current density is about 100mA/cm under the polarization potential of 1.0V
2, 5 times of the storage lives of prolongation battery.
Embodiment 2
After 300 gram manganese nitrates and 200 are restrained activated carbon and mix; heating is 8 hours under 900 ℃ of inert nitrogen protections; obtain the carbon dust of 280 gram manganese oxides, add 250 gram TritonX-100 binding agents and 5 kg of water again and stirred 3 hours, be rolled into the catalytic membrane that thickness is about 0.15mm at 8Mpa.Collector uses the conduction nickel screen.The hydrophobic air-permeable layer is the Teflon film of simple tension, and the leakproof seal layer uses the Teflon film vertical with hydrophobic air-permeable layer draw direction.In the compressing tablet film, put into no glycerine glassine paper, put into leakproof seal layer, hydrophobic air-permeable layer, conducting matrix grain and catalytic membrane successively, then glassine paper is covered on the catalytic membrane, extrusion forming under heating, 8Mpa under 260 ℃, being cut into area is 100cm
2Air electrode.With the test that polarizes of stable state constant current, current density is about 120mA/cm under the polarization potential of 1.0V
2, 5 times of the storage lives of prolongation battery.
Claims (4)
1, a kind of air electrode is characterized in that: it is successively by forming with the lower part:
By one or more catalytic active layers that constitute (1) in the granular materials such as activated carbon, carbon fibre, graphite, molecular sieve or zeolite of catalyst, polytetrafluoroethylene and high surface; By corrosion resistant metals such as stainless steel, nickel plating mild steel, gold, silver, nickel, tungsten or copper with collector (2) netted or that the cellular form constitutes; The leakproof seal layer (4) that is made of polymer that hydrophobic air-permeable layer (3) with draw direction that is made of the pure film of polytetrafluoroethylene or polytetrafluoroethylene and carbon black and draw direction and hydrophobic air-permeable layer are perpendicular, catalytic active layer (1), collector (2), hydrophobic air-permeable layer (3) and leakproof seal layer (4) adopt roll extrusion to form.
2, a kind of air electrode according to claim 1 is characterized in that: the catalyst in the catalytic active layer (1) can be noble metals such as silver, platinum; Can be metal oxides such as manganese dioxide, silver oxide or cobalt oxide; Can be metal hydroxidess such as nickel hydroxide, cobalt hydroxide, iron hydroxide, NaOH, manganous hydroxide, silver hydroxide or chromium hydroxide; Also can be that central metal atom is cobalt, iron, nickel and manganese, ligand be the metallo-chelates such as phthalocyanine cobalt, tetraphenylporphyrin cobalt or tetramethoxy phenyl Cobalt Porphyrin of phthalocyanine, porphyrin; It can also be calcium titanium stone type composite oxide.
3, a kind of air electrode according to claim 1 is characterized in that: collector (2) constitutes with mesh grid, stretching nets or punching form such as draw in the net,
4, a kind of air electrode according to claim 1 is characterized in that: leakproof seal layer (4) is one or more the mixture in polytetrafluoroethylene, polypropylene, polyethylene, polyvinyl chloride, nylon or the Teflon film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021327017A CN1303708C (en) | 2002-07-31 | 2002-07-31 | Air electride |
Applications Claiming Priority (1)
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| CNB021327017A CN1303708C (en) | 2002-07-31 | 2002-07-31 | Air electride |
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| CN100562353C (en) * | 2004-10-21 | 2009-11-25 | 松下电器产业株式会社 | Oxygen-permeable film, oxygen see through sheet and comprise their battery |
| CN101197444B (en) * | 2006-12-08 | 2010-06-16 | 比亚迪股份有限公司 | Air electrode, and method and device for producing the same |
| CN101388446B (en) * | 2007-09-11 | 2010-10-27 | 戴志强 | Three-dimensional electrode for accummulater and preparing mehtod |
| CN101882682A (en) * | 2009-05-04 | 2010-11-10 | 协盈电子工业股份有限公司 | Method for manufacturing flexible cathode electrode sheet |
| CN101971411A (en) * | 2009-05-19 | 2011-02-09 | 丰田自动车株式会社 | Air cell |
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| CN100562353C (en) * | 2004-10-21 | 2009-11-25 | 松下电器产业株式会社 | Oxygen-permeable film, oxygen see through sheet and comprise their battery |
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| CN102447115A (en) * | 2010-12-31 | 2012-05-09 | 山东理工大学 | Novel magnesium air battery cathode |
| CN102447115B (en) * | 2010-12-31 | 2013-08-14 | 山东理工大学 | Magnesium air battery cathode |
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| CN110085874A (en) * | 2012-10-09 | 2019-08-02 | 氧动能有限责任公司 | Electrode assembly and preparation method thereof |
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| CN104538706B (en) * | 2014-12-06 | 2016-09-14 | 云南冶金集团创能铝空气电池股份有限公司 | Aluminum-air battery air electrode that a kind of manganese dioxide carbon back is silver-plated and preparation method thereof |
| CN106207192A (en) * | 2015-12-02 | 2016-12-07 | 昆明理工大学科技园有限公司 | There is carbon dioxide filter and inhale the metal-air battery electrode of layer |
| CN105696018A (en) * | 2016-01-18 | 2016-06-22 | 天津大学 | Preparation and application of graphite-carbon black mixed air diffusion cathode |
| CN105696018B (en) * | 2016-01-18 | 2018-09-04 | 天津大学 | A kind of preparation and application of graphite-carbon black mixing air dispenser cathode piece |
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| CN105810954A (en) * | 2016-04-05 | 2016-07-27 | 扬州大学 | Active carbon air negative electrode and preparation method thereof |
| CN106684392A (en) * | 2016-11-21 | 2017-05-17 | 深圳海能动力控股有限公司 | Cathode-air electrode, hydroelectric generation metal-air battery and preparation method |
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| CN111446454A (en) * | 2020-04-20 | 2020-07-24 | 上海交通大学 | Application of electronic compound as lithium-air battery anode catalyst material |
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