Flexible thin film type solid-state super capacitor and its manufacture process
A supercapacitor, flexible film technology, applied in the field of capacitors, can solve the problems of high packaging requirements, low production efficiency, large volume, etc., and achieve the effect of good power characteristics and low internal resistance
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[0031] Example 1:
[0032] (1) Electrode slurry preparation: 80 g of activated carbon, 10 g of carbon black, 10 g of polyvinylidene fluoride (PVDF) and 500 g of N-methylpyrrolidone were stirred and mixed for 3 hours.
[0033] (2) Preparation of electrolyte slurry: Mix 100g of polyvinyl alcohol powder (PVA) with 800g of deionized water, heat to 95°C and stir for 2 hours, and then add 1g of SiO with particle size 2 The micropowder and 15 g of tetraethylammonium tetrafluoroborate were stirred for 10 hours and mixed uniformly.
[0034] (3) Preparation of external electrode slurry: Mix 10g of polyvinyl alcohol powder (PVA) with 100g of deionized water, heat to 90°C and stir for 1 hour, then add 20g of nickel powder (-200 mesh) and 10g of silver powder (-200 mesh) and stirred for 2 hours.
[0035] (4) Encapsulation slurry preparation: 50 g of polyvinylidene fluoride (PVDF) and 500 g of deionized water were stirred and mixed for 3 hours.
[0036] (5) A printing template for printin...
Example Embodiment
[0043] Example 2:
[0044] (1) Electrode slurry preparation: 60 g of activated carbon, 25 g of manganese dioxide, 5 g of carbon black, 10 g of polyvinylidene fluoride (PVDF) and 500 g of N-methylpyrrolidone were stirred and mixed for 3 hours.
[0045] (2) Electrolyte slurry preparation: Mix 100g polyvinyl alcohol powder (PVA) with 800g deionized water, heat to 95°C and stir for 2 hours, then add 1g SiO2 micropowder with particle size <5μm, 15g tetraethylammonium tetrafluoroborate , stir for 10 hours and mix well.
[0046] (3) Preparation of external electrode slurry: 10g polyvinylidene fluoride powder (PVDF) and 100g N methyl pyrrolidone were heated to 60°C and stirred for 1 hour, and then 20g nickel powder (-200 mesh) and 10 silver powder (-200 mesh) were added. mesh) and stirred for 2 hours.
[0047] (4) Encapsulation slurry preparation: 50 g of polyvinylidene fluoride (PVDF) and 500 g of deionized water were stirred and mixed for 3 hours.
[0048] (5) According to the pr...
Example Embodiment
[0049] Example 3:
[0050] (1) Electrode slurry preparation: 85 g of polypyrrole (PPy), 5 g of carbon black, 10 g of polyvinylidene fluoride (PVDF) and 500 g of N-methylpyrrolidone were stirred and mixed for 3 hours.
[0051] (2) Electrolyte slurry preparation: Mix 100 g of copolymer P (VDF-HFP) with 800 g of NMP, stir for 2 hours, add 30 ml of dibutyl phthalate (DBP), stir for 1 hour, and then add 0.3 g of Al 2 O 3 Nano powder (average particle size < 60 nm), 15 g of tetraethylammonium tetrafluoroborate, stirred for 1 hour and mixed uniformly.
[0052] (3) Preparation of external electrode slurry: 10g of polyvinylidene fluoride powder (PVDF) and 100g of N methylpyrrolidone were heated to 60°C and stirred for 1 hour, and then 20g of nickel powder (-200 days) and 10g of silver powder (-200 mesh) and stirred for 2 hours.
[0053] (4) Encapsulation slurry preparation: 50 g of polyvinylidene fluoride (PVDF) and 500 g of deionized water were stirred and mixed for 3 hours.
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