Battery piece wool making corrosive liquid and preparation process thereof
A technology for preparation process and corrosion solution, which is applied in the field of cell texturing corrosion solution and its preparation process, can solve the problems of not improving the corrosion effect of single crystal silicon, etc., and achieve good surface cleanliness, improved surface activity, and reflection low rate effect
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Embodiment 1
[0018] First, add 90 parts of water into the texturing tank, then add 2 parts of tetramethylammonium hydroxide and 5 parts of sodium hydroxide, control the temperature at 80°C, add 10 parts of compound surfactant, and stir to obtain the battery sheet Texturing corrosion solution;
[0019] Wherein the nonionic surfactant is sodium silicate, the anionic surfactant is sodium lauryl sulfate, and the molar ratio of the two is 1:1.2.
Embodiment 2
[0021] First, add 90 parts of water into the texturing tank, then add 2 parts of tetramethylammonium hydroxide and 5 parts of sodium hydroxide, control the temperature at 80°C, add 10 parts of compound surfactant, and stir to obtain the battery sheet Texturing corrosion solution;
[0022] Among them, the nonionic surfactant is sodium silicate, and the anionic surfactant is fatty alcohol ether sodium sulfate, and the molar ratio of the two is 1:1.2.
Embodiment 3
[0024] First, add 90 parts of water into the texturing tank, then add 2 parts of tetramethylammonium hydroxide and 5 parts of sodium hydroxide, control the temperature at 80°C, add 10 parts of compound surfactant, and stir to obtain the battery sheet Texturing corrosion solution;
[0025] Among them, the nonionic surfactant is sodium silicate, and the anionic surfactant is a mixture of sodium lauryl sulfate and sodium fatty alcohol ether sulfate, and the molar ratio of the three is 1:0.6:0.6.
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