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Polyelectrolyte material for new energy automobile fuel cell and preparation method of polyelectrolyte material

A new energy vehicle, fuel cell technology, applied in the direction of fuel cells, circuits, electrical components, etc., can solve the problems of high cost of polyelectrolyte membrane materials, comprehensive performance and performance stability need to be further improved, high price, and achieve comprehensive performance and Good performance stability, high ionic conductivity and mechanical strength, long life effect

Inactive Publication Date: 2021-07-30
邓文辉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this product uses monomers with relatively high price and relatively low polymerization activity in the preparation process of polyelectrolyte membrane materials, resulting in high cost of polyelectrolyte membrane materials, and the overall performance and performance stability need to be further improved

Method used

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  • Polyelectrolyte material for new energy automobile fuel cell and preparation method of polyelectrolyte material
  • Polyelectrolyte material for new energy automobile fuel cell and preparation method of polyelectrolyte material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A preparation method of polyelectrolyte material for a new energy vehicle fuel cell, characterized in that the following steps are included:

[0028] Step S1, the polymerizable type is prepared based on cyclohexylimidazole containing: 1,3-bicyclic hexazole hydrochloride, 1,1,2-trifluoro-2-chloro-3-methyl-3-vinyl ring ring Butane, alkaline catalyst is added to the organic solvent, and the reaction is stirred at 35 ° C for 4 hours, and the insoluble material is removed, and the solvent is removed, and the polymerizable type cyclohexylimidazole is obtained.

[0029] Step S2, the preparation of the copolymer film: the polymerizable type formed by step S1 is based on cyclohexylimidazole, N- (4-cyano-3-trifluoromethylphenyl) methacrylamide, three (2 - Acryoyloxyethyl) isocyanurate, 5-vinyl double loop [2.2.1] hept-2-ethyl, initiator is added to the high boiling solvent, preliminary polymerization at 65 ° C under an inert gas atmosphere 1 hour, a prepolymer is formed; then the pre...

Embodiment 2

[0035] A preparation method of polyelectrolyte material for a new energy vehicle fuel cell, characterized in that the following steps are included:

[0036] Step S1, the polymerizable type is prepared based on cyclohexylimidazole containing: 1,3-bicyclic hexazole hydrochloride, 1,1,2-trifluoro-2-chloro-3-methyl-3-vinyl ring ring Butane, alkaline catalyst is added to an organic solvent, and the reaction is stirred at 38 ° C for 4.5 hours, and the insoluble material is removed, and the solvent is removed, and the polymerizable type is based on cyclohexylimidazole.

[0037] Step S2, the preparation of the copolymer film: the polymerizable type formed by step S1 is based on cyclohexylimidazole, N- (4-cyano-3-trifluoromethylphenyl) methacrylamide, three (2 - Acryoyloxyethyl) isocyanurate, 5-vinyl double loop [2.2.1] hept-2-ethyl, initiator is added to a high boiling solvent, preliminary polymerization at 68 ° C under an inert gas atmosphere 1.2 hours, a prepolymer is formed; then the p...

Embodiment 3

[0043] A preparation method of polyelectrolyte material for a new energy vehicle fuel cell, characterized in that the following steps are included:

[0044] Step S1, the polymerizable type is prepared based on cyclohexylimidazole containing: 1,3-bicyclic hexazole hydrochloride, 1,1,2-trifluoro-2-chloro-3-methyl-3-vinyl ring ring Butane, alkaline catalyst is added to an organic solvent, and the stirring reaction is stirred at 43 ° C for 5 hours, and the insoluble material is removed, and the solvent is removed, and the polymerizable type cyclohexylimidazole is obtained.

[0045] Step S2, the preparation of the copolymer film: the polymerizable type formed by step S1 is based on cyclohexylimidazole, N- (4-cyano-3-trifluoromethylphenyl) methacrylamide, three (2 - Acryoyloxyethyl) isocyanurate, 5-vinyl double loop [2.2.1] hept-2-ethyl, initiator is added to the high boiling solvent, preliminary polymerization at 70 ° C under an inert gas atmosphere 1.5 hours, a prepolymer is formed; t...

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Abstract

The invention discloses a preparation method of a polyelectrolyte material for a new energy automobile fuel cell. The preparation method is characterized by comprising the steps of S1, preparing polymerizable cyclohexyl imidazole salt; S2, carrying out copolymerization and pouring on the basis of a polymerizable type cyclohexyl imidazolium salt, N-(4-cyano-3-trifluoromethylphenyl) methacrylamide, tris (2-acryloyloxyethyl) isocyanurate and 5-vinyl bicyclo [2.2. 1] heptyl-2-ene so as to obtain a copolymer membrane; and S3, carrying out ion exchange. The invention also discloses a polyelectrolyte material, which is prepared according to the preparation method of the polyelectrolyte material for the new energy automobile fuel cell, for the new energy automobile fuel cell. The polyelectrolyte material for the new energy automobile fuel cell, disclosed by the invention, is good in comprehensive performance and performance stability, high in ionic conductivity and mechanical strength, good in alkali resistance and oxidation resistance, long in service life and safe and environment-friendly to use.

Description

Technical field [0001] The present invention relates to the field of polymer materials, and more particularly to a new energy vehicle fuel cell component, and more particularly to a new energy vehicle fuel cell polyelectrolyte material and a preparation method thereof. Background technique [0002] With the rapid development of social economy, energy is a broader application and demand for the most basic power source. The fuel cell has become a hot spot for the research of new power supply technology research in the advantages of low energy efficiency, high energy efficiency, high investment cost, operation and maintenance cost, long environment, and long response time, and long-term, in military, space, power generation, machine The fields of train, mobile devices, residents, etc. are widely used. [0003] New energy vehicles are a common application field of fuel cells, and fuel cells act as power sources in such new energy vehicles. In order to ensure the normal working stabil...

Claims

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Application Information

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IPC IPC(8): C08J5/22C08L39/04C08F226/06C08F220/60C08F220/36C08F236/20H01M8/1023H01M8/1081H01M8/1088
CPCC08F226/06C08J5/225C08J5/2293C08J2339/04H01M8/1023H01M8/1081H01M8/1088C08F220/606C08F220/36C08F236/20Y02E60/50
Inventor 邓文辉
Owner 邓文辉
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