CN105489914A - Alkaline solid electrolyte membrane and preparation technology thereof - Google Patents
Alkaline solid electrolyte membrane and preparation technology thereof Download PDFInfo
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- CN105489914A CN105489914A CN201410469130.XA CN201410469130A CN105489914A CN 105489914 A CN105489914 A CN 105489914A CN 201410469130 A CN201410469130 A CN 201410469130A CN 105489914 A CN105489914 A CN 105489914A
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- 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
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Abstract
The invention discloses an alkaline solid electrolyte membrane and preparation technology thereof. The alkaline solid electrolyte membrane is an entire interpenetrating network comprising a polymer network conducting hydroxide ions and an inert polymer network, wherein the inert polymer network provides mechanical support for the alkaline solid electrolyte membrane, and the ionic polymer network provides a transmission channel for hydroxide ions. The structure of the membrane is similar to a morphological structure of a perfluorosulfonic acid proton exchange membrane and endows the alkaline solid electrolyte membrane with preferable hydroxide ion conductivity.
Description
Technical field
The present invention relates to a kind of fuel cell alkali solid dielectric film and preparation technology thereof.
Background technology
Polymer dielectric film fuel cell is a kind of can be directly the electrochemical appliance of electric energy by the chemical energy in fuel and oxidant, have that energy conversion efficiency is high, environmental friendliness, specific energy high (relative to battery), operating temperature are low, start fast feature, can be widely used in the fields such as automobile, power station, portable power source.Polymer dielectric film or solid electrolyte film are then the core components in polymer dielectric film fuel cell, play a part to separate fuel and oxidant, conducting ion and insulated electronic.
Maximum solid electrolyte films is used to be the proton exchange membrane that is representative with the Nafion perfluoro sulfonic acid membrane of E.I.Du Pont Company in polymer dielectric film fuel cell, the water content dependency degree of proton conductivity to film of these films is higher, at higher temperature (>80
oc) problem that the ionic conductance that causes because of dehydration sharply declines is faced with under.Be faced with short life and high price two fold problem at present, be necessary development of new solid electrolyte film.Use the alkaline polymer electrolyte membrane fuel cell of alkali solid dielectric film, have the following advantages: one is that battery is low to catalyst requirement, silver or nickel can be used to make catalyst to replace noble metal platinum; Two is that cation in alkaline anion-exchange membrane is all fixed on polymer chain, in liquid phase and there is not free salt, can avoid traditional alkaline fuel cell alkali liquid electrolyte easily and the CO2 impact of reacting; Three is that the transmission direction of conductive ion in film is contrary with methanol fuel dispersal direction, is conducive to suppressing fuel to permeate in film.But the research of fuel cell alkali solid dielectric film is still in initial period, does not have commercial product.
Summary of the invention
The present invention proposes a new solution for the problems referred to above, namely the conduction polymer of hydroxide ion or its precursor and inert polymer or its precursor is adopted after physical mixed, chemical reaction, to prepare full interpenetrating networks, as fuel cell alkali solid dielectric film.
The present invention has the following advantages: the network that the alkali solid dielectric film of full interpenetrating networks is formed using inert material is as support; The network formed with the raw material conducting hydroxide ion is ion transfer passage; There is the shape similar to perfluoro sulfonic acid membrane and realize looks structure, thus can realize hydroxide ion travel at high speeds.
Embodiment
Embodiment 1
By concentration be the polymine of 10% and the polyvinyl alcohol of 10% with 6:4 Homogeneous phase mixing, then add Isosorbide-5-Nitrae dibromobutane and glutaraldehyde simultaneously, adopt casting method film forming, through 60
othe film with full interpenetrating networks is taken in C drying 24 off.Immerse the sodium hydroxide solution alkalization of 1M, obtain the solid electrolyte film of conduction hydroxide ion.60
ounder C and 100% wetting conditions, the conductivity of hydroxide ion is 0.032S/cm.
Embodiment 2
By concentration be 10% polyvinyl alcohol and 10% chloromethyl polysulphone with 3:7 Homogeneous phase mixing, then add tetramethylethylenediamine and glutaraldehyde simultaneously, adopt casting method film forming, through 60
othe film with full interpenetrating networks is taken in C drying 24 off.First the trimethylamine aqueous solution of immersion 33% is quaternized, then immerses the sodium hydroxide solution alkalization of 1M, obtains the solid electrolyte film of conduction hydroxide ion.60
ounder C and 100% wetting conditions, the conductivity of hydroxide ion is 0.021S/cm.
Embodiment 3
By concentration be 10% sulfonated polyether-ether-ketone and 10% chloromethyl polysulphone with 8:2 Homogeneous phase mixing, then add tetramethylethylenediamine and adopt casting method film forming, through 60
othe film with full interpenetrating networks is taken in C drying 24 off.First 80
oc immerses the mixed liquor of pyrovinic acid/phosphorus pentoxide, is cross-linked sulfonated polyether-ether-ketone, then immerse 33% trimethylamine aqueous solution quaternized further, finally immerse the sodium hydroxide solution alkalization of 1M, obtain the solid electrolyte film of conduction hydroxide ion.60
ounder C and 100% wetting conditions, the conductivity of hydroxide ion is 0.013S/cm.
Claims (10)
1. a fuel cell alkali solid dielectric film, is characterized in that the full interpenetrating networks possessing conduction hydroxide ion ability.
2. a preparation method for film described in claim 1, the polymer that it is characterized in that polymer and the inertia of conducting hydroxide ion, in proportion after Homogeneous phase mixing, adds separately crosslinking agent accordingly and mixes rear film forming; The Membrane cleaning of gained is totally immersed sodium hydroxide solution again and obtain fuel cell alkali solid dielectric film.
3. a preparation method for film described in claim 1, the polymer that it is characterized in that polymer precursor and the inertia of conducting hydroxide ion, in proportion after Homogeneous phase mixing, adds separately crosslinking agent accordingly and mixes rear film forming; Trimethylamine and sodium hydroxide solution acquisition fuel cell alkali solid dielectric film is successively immersed again by clean for the Membrane cleaning of gained.
4. a preparation method for film described in claim 1, the polymer precursor that it is characterized in that polymer precursor and the inertia of conducting hydroxide ion, in proportion after Homogeneous phase mixing, adds separately crosslinking agent accordingly and mixes rear film forming; Trimethylamine and sodium hydroxide solution acquisition fuel cell alkali solid dielectric film is successively immersed again by clean for the Membrane cleaning of gained.
5. a preparation method for film described in claim 1, the polymer precursor that it is characterized in that polymer and the inertia of conducting hydroxide ion, in proportion after Homogeneous phase mixing, adds separately crosslinking agent accordingly and mixes rear film forming; The Membrane cleaning of gained is totally immersed sodium hydroxide solution again and obtain fuel cell alkali solid dielectric film.
6. a preparation method for film described in claim 1, the polymer that it is characterized in that conducting the polymer of hydroxide ion and inertia is film forming after Homogeneous phase mixing in proportion; Then the film of gained is soaked with corresponding cross-linking agent solution successively, clean up and immerse sodium hydroxide solution acquisition fuel cell alkali solid dielectric film again.
7. a preparation method for film described in claim 1, the polymer that it is characterized in that polymer and the inertia of conducting hydroxide ion is in proportion after Homogeneous phase mixing, adds a kind ofly to be polymerized corresponding crosslinking agent film forming; Then the film of gained is soaked with the corresponding cross-linking agent solution of another kind of polymer again, clean up and immerse sodium hydroxide solution acquisition fuel cell alkali solid dielectric film again.
8. polymer or its precursor of the conduction hydroxide ion according to claim 2-7 include but not limited to polymine, dimethyl diallyl ammonium chloride-acrylamide copolymer, halogen first polysulfones, halogen first polyether sulfone, halomethylation polyether-ketone, halomethylation polyether-ether-ketone, halomethylation polyether ether ketone ketone, halomethylation gathers Phthalazinone ether ketone, halomethylation gathers Phthalazinone ether sulfone, halomethylation gathers Phthalazinone ether sulfone ketone, halogen first polyimides, halomethylation Polyetherimide, halomethylation polyphenylene oxide, halomethylation polystyrene, bromination gathers 2,6-dimethyl-Isosorbide-5-Nitrae-phenylate, quaternized polysulfones, quaternized polyether-ether-ketone, quaternized polyimides, quaternized polystyrene, quaternized poly-2,6-dimethyl-Isosorbide-5-Nitrae-phenylate, season phosphine polysulfones, season phosphine polyether-ether-ketone, season phosphine polyimides, season phosphine polystyrene, poly-2, the 6-dimethyl-Isosorbide-5-Nitrae-phenylate of season phosphineization, imidazoles polysulfones, imidazoles polyether-ether-ketone, imidazoles polyimides, imidazoles polystyrene, imidazolesization gathers 2,6-dimethyl-Isosorbide-5-Nitrae-phenylate.
9. the inert polymer according to claim 2-7 or its precursor include but not limited to polyvinyl alcohol, sulfonated polyether-ether-ketone, SPSF, sulfonated polyimide, sulfonated polystyrene.
10. the crosslinking agent according to claim 2-7 includes but not limited to glutaraldehyde, glyoxal, lacquer resin, 1,2-Bromofume, Isosorbide-5-Nitrae-dibromobutane, N, N, the mixed liquor of N', N'-tetramethylethylenediamine, diethylamine, pyrovinic acid/phosphorus pentoxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410469130.XA CN105489914A (en) | 2014-09-16 | 2014-09-16 | Alkaline solid electrolyte membrane and preparation technology thereof |
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| CN201410469130.XA CN105489914A (en) | 2014-09-16 | 2014-09-16 | Alkaline solid electrolyte membrane and preparation technology thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740139A (en) * | 2020-06-19 | 2020-10-02 | 武汉大学 | Ion exchange-free alkaline polymer electrolyte fuel cell membrane electrode and preparation method thereof |
| CN115612166A (en) * | 2022-10-28 | 2023-01-17 | 齐鲁工业大学 | Alkaline solid electrolyte based on waterborne polyurethane/ion-conducting polymer composite foam and preparation method thereof |
-
2014
- 2014-09-16 CN CN201410469130.XA patent/CN105489914A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740139A (en) * | 2020-06-19 | 2020-10-02 | 武汉大学 | Ion exchange-free alkaline polymer electrolyte fuel cell membrane electrode and preparation method thereof |
| CN115612166A (en) * | 2022-10-28 | 2023-01-17 | 齐鲁工业大学 | Alkaline solid electrolyte based on waterborne polyurethane/ion-conducting polymer composite foam and preparation method thereof |
| CN115612166B (en) * | 2022-10-28 | 2023-10-24 | 齐鲁工业大学 | Alkaline solid electrolyte based on aqueous polyurethane/ion conducting polymer composite foam and preparation method thereof |
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Application publication date: 20160413 |
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