Oxygen ion exchange membrane and preparation method thereof and application of oxygen ion exchange membrane in fuel cell
A technology for exchanging membranes and oxygen ions, applied to battery electrodes, circuits, electrical components, etc., can solve the problems of long start-up time, high permeability, high working temperature, etc., and achieve low working temperature, low process cost and high mechanical properties Effect
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[0035] Example 1
[0036] The oxygen ion exchange membrane is prepared by the following method:
[0037] a. Preparation of metal-based catalyst: mix metal salt and borate in a weight ratio of 3:1, and ball mill to obtain a metal-based catalyst with a particle size of less than 50 microns; wherein the metal salt is lead oleate; the boron The acid salt is sodium tetraborate.
[0038] b. Preparation of metastable phase: heat and melt the perfluoroorganic acid ester, then add the polymerization inhibitor and stabilizer, add the metal-based catalyst at a stirring speed of 200 rpm, and keep the speed for 20 hours, then change the stirring speed to 400 rpm Continue to stir the reaction for 30 hours to obtain a metastable phase; wherein, the weight ratio of perfluoroorganic acid ester, polymerization inhibitor, stabilizer and metal-based catalyst is 100:8:5:3; the perfluoroorganic acid ester is perfluoro Alkyl phosphate; polymerization inhibitor is hydroquinone; stabilizer is liquid phosph...
Example Embodiment
[0044] Example 2
[0045] The oxygen ion exchange membrane is prepared by the following method:
[0046] a. Preparation of metal-based catalyst: mix metal salt and borate at a weight ratio of 0.5:1, and ball mill to obtain a metal-based catalyst with a particle size of less than 50 microns; wherein the metal salt is ruthenium acetate; the boric acid The salt is zinc borate.
[0047] b. Preparation of metastable phase: heat and melt the perfluoroorganic acid ester, then add the polymerization inhibitor and stabilizer, add the metal-based catalyst at a stirring speed of 300 rpm, and keep the speed for stirring for 10 hours, and then change the stirring speed to 600 rpm Continue to stir the reaction for 20 hours to obtain a metastable phase; wherein the weight ratio of perfluoroorganic acid ester, polymerization inhibitor, stabilizer and metal-based catalyst is 100:3:1:0.5; the perfluoroorganic acid ester is perfluoro Alkyl acrylate; polymerization inhibitor is p-hydroxyanisole; stabi...
Example Embodiment
[0052] Example 3
[0053] The oxygen ion exchange membrane is prepared by the following method:
[0054] a. Preparation of metal-based catalyst: mix metal salt and borate at a weight ratio of 2.5:1, and ball mill to obtain a metal-based catalyst with a particle size of less than 50 microns; wherein, the metal salt is lead oleate and ruthecene , And the weight ratio of lead oleate and ruthecene is 1:1; the borate is manganese borate.
[0055] b. Preparation of metastable phase: heat and melt the perfluoroorganic acid ester, then add the polymerization inhibitor and stabilizer, add the metal-based catalyst at a stirring speed of 280 rpm, and keep the speed for 12 hours, then change the stirring speed to 500 rpm Continue to stir the reaction for 24 hours to obtain a metastable phase; wherein the weight ratio of perfluoroorganic acid ester, polymerization inhibitor, stabilizer and metal-based catalyst is 100:7:4:2; the perfluoroorganic acid ester is all Fluoroalkyl ethyl acrylate; poly...
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