Method for manufacturing solar cell grid line
A technology of solar cells and manufacturing methods, applied in the direction of final product manufacturing, sustainable manufacturing/processing, conductive materials dispersed in non-conductive inorganic materials, etc., to reduce contact resistance, improve burn-through ability, and enhance ohmic contact Effect
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Embodiment 1-5
[0033] Embodiment 1-5: A method for manufacturing solar cell grid lines, the battery front electrode grid line is composed of a first paste layer 1 and a second paste layer 2 located on the upper surface of the first paste layer 1 ;
[0034] The first slurry and the second slurry are respectively loaded into containers connected to the lower nozzle 4 and the upper nozzle 3, the lower nozzle 4 and the upper nozzle 3 are arranged in parallel closely and the upper nozzle 3 is located on the upper side of the lower nozzle 4 , the travel speed of the lower nozzle 4 and the upper nozzle 3 is 125mm / s; the drying temperature of the front electrode grid of the battery is 140~160°C;
[0035] The first slurry is made up of the following components in parts by weight:
[0036] Organic vehicle 23 parts,
[0037] 70 parts of silver powder,
[0038] 5 parts glass powder,
[0039] Ohmic contact additive 2 parts,
[0040] The organic vehicle in the first slurry is formed by heating terpin...
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