Manufacturing process for penetrated aluminum foil
A manufacturing process, aluminum foil technology, applied in the field of penetrating aluminum foil manufacturing process, can solve the problems of increased positive electrode resistance, falling off of positive electrode materials, poor bonding force, etc., and achieve the effect of increasing charge and discharge times, shortening running distance, and reducing energy consumption
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[0022] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0023] A manufacturing process for penetrating aluminum foil, comprising the steps of:
[0024] Step 1: the degreasing stage of the aluminum foil, specifically degreasing the aluminum foil in sodium hydroxide NaOH with a concentration of 0.2-1.0% at 40-50°C for 5-20 seconds;
[0025] Step 2: the aluminum foil roughening stage, specifically, the aluminum foil treated in step 1 is roughened for 5-20 seconds under the condition of hydrochloric acid HCl with a concentration of 8% to 12% and a temperature of 90 to 95°C;
[0026] Step 3: Baking the aluminum foil treated in step 2 under the condition of 250°C to 400°C;
[0027] Step 4: Laser perforation stage, specifically, the aluminum foil processed in step 3 is subjected to laser perforation at normal temperature according to the preset aperture size and hole distribution density;
[0028] Step 5:...
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