A kind of preparation method of lithium-oxygen battery diaphragm
A lithium-oxygen battery and diaphragm technology, which is applied to battery pack components, fuel cell half-cells, secondary battery-type half-cells, circuits, etc., can solve problems such as failure to form a relatively complete system, and achieve improved transmission efficiency. quality, increase utilization, and reduce diffusion resistance
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Embodiment 1
[0023] (1) Dissolve 1 g of polymethyl methacrylate (PMMA) in 10 ml of acetone to obtain a transparent solution, drop the resulting liquid into a watch glass with a dropper, and place the watch glass in a desiccator to dry to form a film. The resulting film was soaked in 10M sulfuric acid at room temperature for 30s and dried;
[0024] (2) Weigh 0.291g Co(NO 3 ) 2 ·6H 2 O was dissolved in the mixed solution of 9ml pelargonic acid and 1ml ethanol, magnetically stirred at 20°C for 30min to obtain a homogeneous solution A, and in the homogeneous solution A obtained, 0.042g trimesic acid (H 3 BTC) and 2ml triethylamine (TEA) continued to stir for 30min to obtain a homogeneous solution B, and the homogeneous solution B was poured into the polytetrafluoro reactor lining;
[0025] (3) Cut the film obtained in step (1) into a suitable size, and use tweezers to clamp the cut diaphragm and place it horizontally on the polytetrafluoro reactor lining in step (2) for hydrothermal synthes...
Embodiment 2
[0028] (1) Dissolve 4 g of polymethyl methacrylate (PMMA) in 10 ml of chloroform to obtain a transparent solution, drop the resulting liquid into a watch glass with a dropper, and place the watch glass in a desiccator to dry to form a film. The resulting film was soaked in 15M sulfuric acid at room temperature for 10s and dried;
[0029] (2) Weigh 0.146g Co(NO 3 ) 2 ·6H 2 O was dissolved in a mixed solution of 9ml pelargonic acid and 1ml ethanol, and was magnetically stirred at 35°C for 10min to obtain a homogeneous solution A. In the homogeneous solution A obtained, 0.21g trimesic acid (H 3 BTC) and 4ml triethylamine (TEA) continued to stir for 10min to obtain a homogeneous solution B, and the homogeneous solution B was poured into the polytetrafluoro reactor lining;
[0030] (3) Cut the film obtained in step (1) into a suitable size, and use tweezers to clamp the cut diaphragm and place it horizontally in the polytetrafluoro reactor lining in step (2) for hydrothermal syn...
Embodiment 3
[0033] (1) Dissolve 2.5g of polymethyl methacrylate (PMMA) in 10ml of chloroform to obtain a transparent solution, drop the resulting liquid into a watch glass with a dropper, and place the watch glass in a desiccator to dry to form a film. The resulting film was soaked in 12M sulfuric acid at room temperature for 20s and dried;
[0034] (2) Weigh 0.291g Co(NO 3 ) 2 ·6H 2 O was dissolved in a mixed solution of 9ml pelargonic acid and 1ml ethanol, and magnetically stirred at 25°C for 20min to obtain a homogeneous solution A, and in the homogeneous solution A obtained, 0.105g trimesic acid (H 3 BTC) and 3ml triethylamine (TEA) continued to stir for 20min to obtain a homogeneous solution B, and the homogeneous solution B was poured into the polytetrafluoro reactor lining;
[0035] (3) Cut the film obtained in step (1) into a suitable size, and use tweezers to clamp the cut diaphragm and place it horizontally in the polytetrafluoro reactor lining in step (2) for hydrothermal sy...
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