| 摘要 |
PURPOSE: A silicon solar battery cell using a high frequency pulse and method for processing the surface of a cell are provided to form a porous surface on the silicon solar battery cell, thereby increasing the non reflection rate of a poly-crystal silicon solar battery cell. CONSTITUTION: A silicon solar battery cell is etched by a potassium hydroxide 10% solution. The silicon solar battery cell is activated in a mixed solution in which a hydrofluoric acid 5% solution or a nitric acid 15% solution are mixed. A porous surface is formed on the silicon solar battery cell by a high frequency electrolytic process. The high frequency electrolytic process uses high frequency pulse power of 10,000~50,000Hz. The silicon solar battery cell is dried in a hot wind drying room. |
