Two -sided electricity generation solar battery of four main grid N types

The utility model provides a two -sided electricity generation solar battery of four main grid N types, including N type silicon chip and be located respectively N type silicon chip openly with the front electrode and the back electrode at the back, front electrode and back electrode include separately four main grid lines that are parallel to each other, with the perpendicular horizontal pair grid line of being connected of main grid line and with the horizontal perpendicular vertically pair grid line of being connected of pair grid line, the front and the back of N type silicon chip outwards are divided into first region by center part separately in proper order, surround the second area in first region and surround the third of second area regionally, and first region, second area and third region intra -area equidistance are provided with horizontal vice grid line, and first region, interval between two adjacent horizontal vice grid lines of second area and third region intra -area increases in proper ord