1.5V super capacitor
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Embodiment 1
[0019] Dissolve 6g of PVDF in 100g of N-methylpyrrolidone (NMP), and stir at 800 rpm on a high-speed mixer for 30 minutes to make a transparent homogeneous solution. Mix 80g of lithium iron phosphate, 10g of activated carbon, and 4g of acetylene black evenly, then dry in a vacuum oven at 100°C for 12 hours, and then add the dried mixture into a transparent and uniform solution. Then, stir at 300 rpm for 60 minutes to form a uniform slurry, coat the slurry on a 20 μm thick aluminum foil according to the coating thickness of 100 μm, put it in a blast drying oven at 120 ° C for 24 hours, take it out, and cut it into 40mm×300mm strips, welded with tabs, used as positive electrodes, dried at 60°C for use.
[0020] 80g of lithium titanate, 10g of amorphous titanium dioxide, and 2g of conductive graphite were mixed, and then dried in a 100°C, 1KPa vacuum oven for 12 hours. Dissolve 8g of PVDF in 120g of NMP, stir at 800 rpm for 3 hours to make a transparent uniform solution, then ad...
Embodiment 2
[0023] Add 6g of a polyacrylate solution with a mass concentration of 15% into 80g of water and dilute to make a transparent uniform solution, then add a mixture of 60g of lithium iron phosphate, 30g of activated carbon and 4g of conductive graphite into the uniform solution. Then, stir on a high-speed mixer at 300 rpm for 30 minutes to form a uniform slurry, and then coat it on 20 μm thick annealed stainless steel according to the coating thickness of 120 μm, put it in a blast drying oven at 120 ° C for 24 hours, and take it out. Cut into strips of 40mm×300mm, welded on stainless steel tabs, used as positive electrodes, and dried at 60°C for later use.
[0024] Dissolve 8g of PVDF in 100g of NMP, stir at 800 rpm for 3 hours to make a transparent uniform solution, then put 60g of lithium titanate, 30g of amorphous titanium dioxide, and 2g of graphite in a vacuum oven at 100°C and 1kPa The dried mixture was added to the homogeneous solution. Then, stir at 300 rpm for 5 hours t...
Embodiment 3
[0027] Stir 6g of polyethylene in 100g of ethanol at 700 rpm for 4 hours to make a transparent uniform solution, then put 40g of lithium iron phosphate, 50g of activated carbon, and 4g of acetylene black, and then dry it in a vacuum oven at 100°C for 12 After 1 hour the mixture was added to a homogeneous solution. Then, stir at high speed at 200 rpm for 120 minutes to form a uniform slurry, and then evenly roll it on a 10 μm thick titanium alloy to control the coating thickness to 150 μm, put it in a blast drying oven at 120 ° C for 24 hours, take it out, and divide Cut into strips of 40mm×300mm, welded on stainless steel tabs, used as positive electrodes, and dried at 60°C for later use.
[0028] Stir 8g of polyethylene in 100g of ethanol solution at 700 rpm for 4 hours to make a transparent uniform solution, then mix 40g of lithium titanate, 50g of amorphous titanium dioxide, and 2g of acetylene black at 100°C under a vacuum of 1KPa The mixture dried in the drying oven for ...
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