Nanofiber composite proton exchange membrane, preparation method and application thereof
A proton exchange membrane and nanofiber membrane technology, which is applied in the field of nanofiber composite proton exchange membrane and its preparation, can solve the problems of low strength of proton exchange membrane, uneven fiber diameter, inability to realize application, etc., so as to improve compatibility. and permeability, proton conductivity improvement, and the effect of improving the utilization rate
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Embodiment 1
[0030] A preparation method of a nanofiber composite proton exchange membrane, the steps are as follows:
[0031] 1) Pour the weighed PEO into deionized water to make a PEO mixture with a mass fraction of 4%;
[0032] 2) Stir the mixture obtained in step 1) on a magnetic stirrer for 2 h, and then ultrasonically disperse for 30 minutes to form a uniform PEO solution;
[0033] 3) Add PTFE emulsion (60%) to the solution in step 2) to form a spinning solution with a mass fraction of 10%;
[0034] 4) Stir the spinning solution obtained in step 3) on a magnetic stirrer for 8 h, and stir it evenly;
[0035] 5) Use the solution obtained in step 4) to perform electrospinning to prepare a proton exchange membrane. The electrospinning equipment is mainly composed of a push injection pump, a receiving device, and a high-voltage power transmission device;
[0036] 6) When the electrospinning device in step 5) is working, the voltage of the high-voltage generator is 10 kV; the distance fr...
Embodiment 2
[0043] A preparation method of a nanofiber composite proton exchange membrane, the steps are as follows:
[0044] 1) Pour the weighed PEO into deionized water to make a PEO mixture with a mass fraction of 6%;
[0045] 2) Stir the mixture obtained in step 1) on a magnetic stirrer for 5 h, and then ultrasonically disperse for 40 minutes to form a uniform PEO solution;
[0046] 3) Add PTFE emulsion (60%) to the solution in step 2) to form a spinning solution with a mass fraction of 20%;
[0047] 4) Stir the spinning solution obtained in step 3) on a magnetic stirrer for 9 h, and stir it evenly;
[0048] 5) Use the solution obtained in step 4) to perform electrospinning to prepare a proton exchange membrane. The electrospinning equipment is mainly composed of a push injection pump, a receiving device, and a high-voltage power transmission device;
[0049] 6) When the electrospinning device in step 5) is working, the voltage of the high-voltage generator is 20 kV; the distance fr...
Embodiment 3
[0053] A preparation method of a nanofiber composite proton exchange membrane, the steps are as follows:
[0054] 1) Pour the weighed PEO into deionized water to make a PEO mixture with a mass fraction of 8%;
[0055] 2) Stir the mixture obtained in step 1) on a magnetic stirrer for 8 h, and then ultrasonically disperse for 50 minutes to form a uniform PEO solution;
[0056] 3) Add PTFE emulsion (60%) to the solution in step 2) to make a spinning solution with a mass fraction of 30%;
[0057] 4) Stir the spinning solution obtained in step 3) on a magnetic stirrer for 11 h, and stir it evenly;
[0058] 5) Use the solution obtained in step 4) to perform electrospinning to prepare a proton exchange membrane. The electrospinning equipment is mainly composed of a push injection pump, a receiving device, and a high-voltage power transmission device;
[0059] 6) When the electrospinning device in step 5) is working, the voltage of the high voltage generator is 30 kV; the distance f...
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