CN109585889A - A kind of preparation method of ionic gel matrix proton exchange - Google Patents
A kind of preparation method of ionic gel matrix proton exchange Download PDFInfo
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- CN109585889A CN109585889A CN201811439503.3A CN201811439503A CN109585889A CN 109585889 A CN109585889 A CN 109585889A CN 201811439503 A CN201811439503 A CN 201811439503A CN 109585889 A CN109585889 A CN 109585889A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1041—Polymer electrolyte composites, mixtures or blends
- H01M8/1046—Mixtures of at least one polymer and at least one additive
- H01M8/1048—Ion-conducting additives, e.g. ion-conducting particles, heteropolyacids, metal phosphate or polybenzimidazole with phosphoric acid
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
- C08J5/22—Films, membranes or diaphragms
- C08J5/2206—Films, membranes or diaphragms based on organic and/or inorganic macromolecular compounds
- C08J5/2218—Synthetic macromolecular compounds
- C08J5/2256—Synthetic macromolecular compounds based on macromolecular compounds obtained by reactions other than those involving carbon-to-carbon bonds, e.g. obtained by polycondensation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1069—Polymeric electrolyte materials characterised by the manufacturing processes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2383/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2383/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2383/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2383/04—Polysiloxanes
- C08J2383/06—Polysiloxanes containing silicon bound to oxygen-containing groups
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
A kind of preparation method of ionic gel matrix proton exchange, comprising steps of organosilane precursors and gel triggering agent are uniformly mixed by predetermined ratio；Ionic liquid is added and forms homogeneous mixture；Homogeneous mixture is poured on plate, through sol gel reaction, aging forms ionic gel matrix proton exchange.A kind of preparation method of ionic gel matrix proton exchange of the invention, it is easy to operate, it is at low cost, environmental-friendly, safe and reliable, it is suitable for large-scale production；Prepared ionic gel matrix proton exchange, intensity is good, and conductivity is high, can (80-200 DEG C) use in wide temperature range.
Description
Technical field
The present invention relates to ion composite membranes, and in particular to a kind of preparation method of ionic gel matrix proton exchange.
Background technique
High temperature proton exchange film fuel cell (HT-PEMFC) can accelerate anode and cathode kinetic rate, raising due to having
Anode is to the tolerance of CO, the research hotspot for simplifying the advantages that cell water heat management system and being increasingly becoming PEMFC.But at present
The research and development of HT-PEMFC is limited by the performance of high temperature proton exchange film, and HT-PEMFC requires dielectric film in the low increasing of high temperature
It is wet or without humidification environment under have high proton conductivity and high stability.In recent years, PBI/H3PO4 film is passed because of high temperature resistant, proton
Conductance is high and is concerned, but complicated preparation process, expensive price and the adverse circumstances in high temperature, Strong oxdiative, strong electrical field
Under undesirable service life constrain its development.Ionic liquid (Ionic Liquids, ILs) is one kind in room temperature or higher temperature
Under the ionic system that is in a liquid state, have that volatility is low, heat/chemical stability is high, electrochemical window mouth width and ionic conductivity height etc.
Advantage is a kind of good anhydrous proton transmitting medium of application prospect.For ionic liquid to be applied in HT-PEMFC, can lead to
Cross the modes such as dipping, solution-cast, polymerization or grafting by the ionic liquid of liquid be trapped in polymer material formed solid or
Semisolid electrolyte.In recent years, a kind of novel ionic liquid composite material-SiO2/ ILs ionic gel (Ionogels) by
The concern of researchers not only remains the excellent properties of ionic liquid, has also had both SiO2Or Silica hydrogel high mechanical strength,
Good chemical/thermal stability and cheap price advantage；And by ionic liquid or silicon molecular modification, ionic liquid quilt
" anchoring " improves its reserve capability in the porous network skeleton of silicon or Silica hydrogel. SiO2/ ILs ionic gel can both incite somebody to action
Nano silicon particles are directly dispersing in ionic liquid and obtain, and can be obtained in situ by the method for sol-gel.
Summary of the invention
The object of the present invention is to provide one kind in ionic liquid, and that in the case where acid promotes colloidal sol-occurs for organosilane precursors is solidifying
The method of glue reacting forming ion gel type ionic composite membrane.
For achieving the above object, technical scheme is as follows:
A kind of preparation method of ionic gel matrix proton exchange, comprising steps of
S1: organosilane precursors and gel triggering agent are uniformly mixed by predetermined ratio；
S2: ionic liquid is added and forms homogeneous mixture；
S3: homogeneous mixture is poured on plate, and through sol gel reaction, aging forms ionic gel matrix and hands over
Change film.
Technical solution as a further improvement of that present invention, the organosilane precursors include ethyl orthosilicate, positive silicon
At least one of sour methyl esters, methyltrimethoxysilane or γ-(the third oxygen of epoxy) propyl trimethoxy silicane.
Technical solution as a further improvement of that present invention, the gel triggering agent are hydrochloric acid solution or formic acid.
Technical solution as a further improvement of that present invention, the hydrochloric acid solution are that the hydrochloric acid of 5wt.%-37wt.% is molten
Liquid.
Technical solution as a further improvement of that present invention, the organosilane precursors and the gel triggering agent rub
You are than being 5:1-1:10.
Technical solution as a further improvement of that present invention, the ionic liquid are imidazoles or amine ionic liquid.
Technical solution as a further improvement of that present invention, the ionic liquid are 1- ethyl-3-methylimidazole tetrafluoro boron
Hydrochlorate, 1- butyl -3- methylimidazole hexafluorophosphate, 1- methyl -3- butyl sulfonic acid imidazole bisulfate, Trimethylamine phosphoric acid
At least one of hydrogen disalt, diethylmethyl amine trifluoromethyl sulfonic acid and Trimethylamine trifluoromethyl sulfonic acid.
Technical solution as a further improvement of that present invention, the ionic liquid and the organosilane precursors molar ratio
For 9:1-1:20.
Technical solution as a further improvement of that present invention, the step S3 are specifically included: homogeneous mixture is poured into
On plate, through sol gel reaction in 20-100 DEG C, aging forms ionic gel matrix proton exchange.
Compared with prior art, beneficial effects of the present invention:
A kind of preparation method of ionic gel matrix proton exchange of the invention, it is easy to operate, at low cost, environmental-friendly,
Securely and reliably, it is suitable for large-scale production；Prepared ionic gel matrix proton exchange, intensity is good, and conductivity is high, can be wider
(80-200 DEG C) use in temperature range.
Detailed description of the invention
Fig. 1 is the conductivity of the proton exchange membrane for preparing at different temperatures in embodiment.
Specific embodiment:
Embodiment
A kind of preparation method of ionic gel matrix proton exchange, comprising: by the tetraethyl orthosilicate and 40mmol of 5mol
Formic acid be uniformly mixed, the diethylmethyl amine trifluoromethyl sulfonic acid of 10mmol is added, ultrasonic mixing is uniform, is cast in plate
On, aging obtains the ionic gel matrix proton exchange with a thickness of 100 microns for 24 hours under room temperature is divulged information.Fig. 1 show prepared
The conductivity test chart of ionic gel matrix proton exchange at different temperatures, from figure 1 it appears that prepared ion is solidifying
Matrix proton exchange membrane, intensity is good, and conductivity is high, can (80-200 DEG C) use in wide temperature range.
It should be noted that above embodiments are intended merely to further illustrate the contents of the present invention, but should not be construed as pair
Limitation of the invention.Without departing from the spirit and substance of the case in the present invention, it is repaired to made by the method for the present invention, step or condition
Change or replace, all belongs to the scope of the present invention.For example, ethyl orthosilicate could alternatively be ethyl orthosilicate, methyl orthosilicate, first
One of base trimethoxy silane and γ-(the third oxygen of epoxy) propyl trimethoxy silicane are a variety of；As gel triggering agent
Formic acid could alternatively be hydrochloric acid solution (5wt.%-37wt.%)；Organosilane precursors and gel triggering agent molar ratio can be
5:1-1:10；Ionic liquid could alternatively be imidazoles or amine ionic liquid, such as 1- ethyl-3-methylimidazole tetrafluoroborate
([EMIm]BF4), 1- butyl -3- methylimidazole hexafluorophosphate ([BMIm] PF6), 1- methyl -3- butyl sulfonic acid imidazoles hydrogen sulfate
Salt ([BMIm] HSO3HSO4), Trimethylamine phosphoric acid hydrogen disalt ([tma] H2PO4), diethylmethyl amine trifluoromethyl sulfonic acid
One of ([dema] TfO), Trimethylamine trifluoromethyl sulfonic acid ([tma] TfO) or a variety of, ionic liquid and organosilan
Presoma molar ratio can be 9:1-1:20.
Claims (9)
1. a kind of preparation method of ionic gel matrix proton exchange, which is characterized in that comprising steps of
S1: organosilane precursors and gel triggering agent are uniformly mixed by predetermined ratio；
S2: ionic liquid is added and forms homogeneous mixture；
S3: homogeneous mixture is poured on plate, and through sol gel reaction, aging forms ionic gel base proton exchange
Film.
2. a kind of preparation method of ionic gel matrix proton exchange according to claim 1, which is characterized in that described to have
Machine silane precursor includes ethyl orthosilicate, methyl orthosilicate, methyltrimethoxysilane or γ-(the third oxygen of epoxy) propyl front three
At least one of oxysilane.
3. a kind of preparation method of ionic gel matrix proton exchange according to claim 1, which is characterized in that described solidifying
Glue initiator is hydrochloric acid solution or formic acid.
4. a kind of preparation method of ionic gel matrix proton exchange according to claim 3, which is characterized in that the salt
Acid solution is the hydrochloric acid solution of 5wt.%-37wt.%.
5. a kind of preparation method of ionic gel matrix proton exchange according to claim 1, which is characterized in that described to have
The molar ratio of machine silane precursor and the gel triggering agent is 5:1-1:10.
6. a kind of preparation method of ionic gel matrix proton exchange according to claim 1, which is characterized in that it is described from
Sub- liquid is imidazoles or amine ionic liquid.
7. a kind of preparation method of ionic gel matrix proton exchange according to claim 1, which is characterized in that it is described from
Sub- liquid is 1- ethyl-3-methylimidazole tetrafluoroborate, 1- butyl -3- methylimidazole hexafluorophosphate, 1- methyl -3- butyl
Sulfonic acid imidazole bisulfate, Trimethylamine phosphoric acid hydrogen disalt, diethylmethyl amine trifluoromethyl sulfonic acid and Trimethylamine trifluoro
At least one of methyl sulfonate.
8. a kind of preparation method of ionic gel matrix proton exchange according to claim 1, which is characterized in that it is described from
Sub- liquid and the organosilane precursors molar ratio are 9:1-1:20.
9. a kind of preparation method of ionic gel matrix proton exchange according to claim 1, which is characterized in that the step
Rapid S3 is specifically included: homogeneous mixture being poured on plate, through sol gel reaction in 20-100 DEG C, aging forms ion
Gel-type vehicle proton exchange.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336071A (en) * | 2019-06-04 | 2019-10-15 | 天津力神电池股份有限公司 | Organo-mineral complexing solid electrolyte, dielectric film and its in-situ preparation method |
| WO2021255496A1 (en) * | 2020-06-16 | 2021-12-23 | Universita' Degli Studi Di Cagliari | Antibacterial coating |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6325229A (en) * | 1986-07-17 | 1988-02-02 | Lion Corp | Production of multi-component gel |
| US20070007137A1 (en) * | 2003-07-04 | 2007-01-11 | Andre Vioux | Ionic conducting gels, preparation method thereof and use of same |
| WO2008022983A2 (en) * | 2006-08-21 | 2008-02-28 | Basf Se | Conductive polymer gels |
| CN101239961A (en) * | 2008-03-17 | 2008-08-13 | 浙江大学 | Method for catalyzing isoflavone glycoside hydrolysis by using immobilization acidic ion liquid |
| CN101471153A (en) * | 2007-12-28 | 2009-07-01 | 中国科学院兰州化学物理研究所 | Production method for silica gel encapsulated ion liquid solid state electrolyte material |
| CN101798178A (en) * | 2010-03-30 | 2010-08-11 | 上海交通大学 | Medium-high temperature proton conductor material and preparation method thereof |
| CA2917941A1 (en) * | 2013-07-29 | 2015-02-05 | Hutchinson | Monolithic ionogel with biopolymer matrix, and method for manufacturing same. |
| CN107248583A (en) * | 2017-05-24 | 2017-10-13 | 长春工业大学 | Polybenzimidazoles poly ion liquid is crosslinked compound high temperature proton exchange film and preparation method thereof |
| CN108864354A (en) * | 2018-06-29 | 2018-11-23 | 福州大学 | A kind of preparation method of hybrid inorganic-organic ionic gel material |
-
2018
- 2018-11-29 CN CN201811439503.3A patent/CN109585889A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6325229A (en) * | 1986-07-17 | 1988-02-02 | Lion Corp | Production of multi-component gel |
| US20070007137A1 (en) * | 2003-07-04 | 2007-01-11 | Andre Vioux | Ionic conducting gels, preparation method thereof and use of same |
| WO2008022983A2 (en) * | 2006-08-21 | 2008-02-28 | Basf Se | Conductive polymer gels |
| CN101471153A (en) * | 2007-12-28 | 2009-07-01 | 中国科学院兰州化学物理研究所 | Production method for silica gel encapsulated ion liquid solid state electrolyte material |
| CN101239961A (en) * | 2008-03-17 | 2008-08-13 | 浙江大学 | Method for catalyzing isoflavone glycoside hydrolysis by using immobilization acidic ion liquid |
| CN101798178A (en) * | 2010-03-30 | 2010-08-11 | 上海交通大学 | Medium-high temperature proton conductor material and preparation method thereof |
| CA2917941A1 (en) * | 2013-07-29 | 2015-02-05 | Hutchinson | Monolithic ionogel with biopolymer matrix, and method for manufacturing same. |
| CN107248583A (en) * | 2017-05-24 | 2017-10-13 | 长春工业大学 | Polybenzimidazoles poly ion liquid is crosslinked compound high temperature proton exchange film and preparation method thereof |
| CN108864354A (en) * | 2018-06-29 | 2018-11-23 | 福州大学 | A kind of preparation method of hybrid inorganic-organic ionic gel material |
Non-Patent Citations (1)
| Title |
|---|
| CHANG WEIQIANG ET AL: "Protic ionic liquid-containing silica-based ionogels for nonhumidified PEMFC applications", 《IONICS》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336071A (en) * | 2019-06-04 | 2019-10-15 | 天津力神电池股份有限公司 | Organo-mineral complexing solid electrolyte, dielectric film and its in-situ preparation method |
| CN110336071B (en) * | 2019-06-04 | 2022-06-10 | 天津力神电池股份有限公司 | Organic-inorganic composite solid electrolyte, electrolyte membrane and in-situ preparation method thereof |
| WO2021255496A1 (en) * | 2020-06-16 | 2021-12-23 | Universita' Degli Studi Di Cagliari | Antibacterial coating |
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Application publication date: 20190405 |