Battery with membrane-coated electrodes
A coating and electrode technology, applied in the direction of electrode carrier/collector, battery electrode, secondary battery, etc., can solve the problems of limited charge and discharge life, complicated manufacturing process, poor ion conductivity and mechanical strength, etc., and achieve capacity and The effect of improving the working platform, increasing ion conductivity, and increasing safety and stability
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[0031] Example 1
[0032] Such as figure 1 As shown, a polymer battery includes a positive electrode sheet 1 and a negative electrode sheet 2 arranged inside a battery casing 6. A separator 5 is provided between the positive electrode sheet 1 and the negative electrode sheet 2; the positive electrode sheet 1 and the separator film 5 are arranged in sequence. The positive electrode coating film 7 and the positive electrode catalytic net 3 are provided. The positive electrode coating film 7 covers the surface of the positive electrode sheet 1, and the positive electrode catalytic net 3 covers the surface of the separator 5; The net 4 and the negative electrode coating film 8, the negative electrode catalyst net 4 covers the surface of the separator 5, the negative electrode coating film 8 covers the surface of the negative electrode sheet 2, the positive electrode coating film 7 is connected to the positive electrode catalyst net 3, and the negative electrode coating film 8 is conne...
Example Embodiment
[0038] Example 2
[0039] Such as figure 2 As shown, the nano-Rh-graphene composite electrode is prepared by the following steps:
[0040] Step 1: Weigh a portion of graphite powder, add a proper amount of concentrated sulfuric acid as a solvent in an ice bath, stir, and control the reaction temperature to be lower than 20℃, according to the mass ratio of graphite powder: sodium nitrate: potassium permanganate 1 :0.5:3 Slowly add sodium nitrate and potassium permanganate to the solution, stir for 10min; raise the temperature to 35℃, stir for 3h, add deionized water to the solution according to the volume ratio of concentrated sulfuric acid: deionized water 1:0.2 , Heat to 98℃, stir for 30min, then add deionized water according to the volume ratio of concentrated sulfuric acid: deionized water 1:0.5, stop the reaction, add 5% hydrogen peroxide to the solution according to the molar ratio of graphite powder: hydrogen peroxide 1:0.2, while Thermal centrifugation and washing with app...
Example Embodiment
[0043] Example 3
[0044] Such as image 3 As shown, Nano Co 2 SnO 4 The polynaphthalene sulfonate electrode is prepared by the following steps:
[0045] Step 1: Weigh a portion of SnCl 4 , Take an appropriate amount of deionized water as the solvent, stir to dissolve, add CoCl to the solution according to the molar ratio of tin chloride: cobalt chloride 1:2 2 , According to the molar ratio of tin chloride: sodium hydroxide 1:10, add the aqueous solution of NaOH to the solution, stir at room temperature for 10 minutes, put the solution in the reaction kettle, and pass nitrogen: oxygen 15:1 into the mixed gas of nitrogen and oxygen , Sealed, reacted at 240℃ for 30h, naturally cooled to room temperature, washed with deionized water and absolute ethanol, and freeze-dried under the vacuum degree of 0.98 to obtain Co 2 SnO 4 powder;
[0046] Step 2: Weigh a Co 2 SnO 4 Powder, add 2mol / L hydrochloric acid solution as solvent according to the molar ratio of cobalt stannate: hydrochloric aci...
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