Solid electrolyte support body as well as preparation method and application thereof
A technology of solid electrolyte and support, applied in the electrolysis process, electrolysis components, electrodes, etc., can solve the problems of reducing the thickness of the dense layer of ion transmission, large battery resistance, etc., to meet commercial needs, reduce battery resistance, and reduce polarization The effect of resistance
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Embodiment 1
[0036] 51.62g (Y 2 o 3 ) 0.08 Zr 0.92 o 2 The powder, 4.5 g of polysulfone, 24 g of N-methylpyrrolidone and 0.43 g of polyvinylpyrrolidone were weighed and placed in a ball mill jar, and milled with a planetary ball mill for 48 hours to form a premixed material. The premixed slurry was placed in a vacuum auxiliary device for exhaust treatment, the vacuum degree was set at 0.1 MPa, and the exhaust treatment was performed for 20 minutes to obtain a uniformly mixed electrolyte slurry. Electrolyte support preparation process such as figure 1 As shown, pour the slurry into the lower mold, select a screen with a mesh size of 70 μm and place it on the surface of the slurry so that the slurry can slightly pass through the stainless steel screen, and then press the upper mold with openings at the upper and lower ends on the screen. And inject 1mm thick slurry. Water was used as a flocculant and poured from the top of the slurry to initiate the phase inversion process. After 1.3 ...
Embodiment 2
[0039] 47.51g Gd 0.1 Ce 0.9 o 2 The powder, 5.46 g of polysulfone, 36.74 g of N-methylpyrrolidone and 0.81 g of polyvinylpyrrolidone were weighed and placed in a ball mill jar, and milled for 40 hours using a planetary ball mill to form a premixed material. Exhaust the premixed slurry, set the vacuum degree at 0.08MPa, and perform the exhaust treatment for 20 minutes to obtain a uniformly mixed electrolyte slurry. Pour the slurry into the lower mold, select a screen with a mesh size of 100 μm and place it on the surface of the slurry so that the slurry can slightly pass through the stainless steel screen, then press the upper mold with upper and lower ends on the screen, and inject 1mm thick paste. Water was used as a flocculant and poured from the top of the slurry to initiate the phase inversion process. After 1.3 hours of phase inversion, the mold was removed, the screen was torn off, and the electrolyte green body was soaked in a beaker filled with water for 6 hours to...
Embodiment 3
[0041] 48.33g Sm 0.2 Ce 0.8 o 2 The powder, 3.59 g of polyamide, 28.20 g of N-methylpyrrolidone and 0.40 g of polyvinyl butyral were weighed and placed in a ball mill jar, and milled with a planetary ball mill for 46 hours to form a premixed material. Exhaust the premixed slurry, set the vacuum degree at 0.1 MPa, and perform the exhaust treatment for 20 minutes to obtain a uniformly mixed electrolyte slurry. Pour the slurry into the lower mold, select a screen with a mesh size of 150 μm and place it on the surface of the slurry so that the slurry can slightly pass through the stainless steel screen, then press the upper mold with upper and lower ends on the screen, and inject 1mm thick paste. Propanol was used as a flocculant and poured from the top of the slurry to initiate the phase inversion process. After 1.5 hours of phase inversion, the mold was removed, the screen was torn off, and the electrolyte green body was soaked in a beaker filled with water for 12 hours to r...
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