Abstract: An interconnection structure used for sequentially bonding at least two cell slices and forming an excellent electrical connection. At least one of a front electrode and a back electrode of the cell slice is in a hollow structure, and the back electrode of the previous back electrode is connected with the front electrode of the next cell slice adjacent thereto through a conductive adhesive, thereby saving a large amount of front and back electrode paste, and reducing the cost of the shingled cell.

Abstract: The disclosure provides a shingled solar cell module employing a centrally converged grid line electrode including main electrode points and secondary grid lines disposed on a cell slice, wherein the secondary grid line is a divergent pattern centering on the main electrode points, and converging currents to the main electrode points in a way of converging from periphery to center. According to the disclosure, areas of main grid line electrodes in front and back sides of a solar cell are reduced, thereby reducing the consumption of silver paste and conductive adhesive. Moreover, as a number and a cross-sectional area of the secondary grid lines are optimized, a photoelectric conversion efficiency of shingled cell slices with such patterns is improved in comparison with the conventional shingled cell slices with parallel secondary grid lines.

Abstract: An interconnection structure used for sequentially bonding at least two cell slices and forming an excellent electrical connection. At least one of a front electrode and a back electrode of the cell slice is in a hollow structure, and the back electrode of the previous back electrode is connected with the front electrode of the next cell slice adjacent thereto through a conductive adhesive, thereby saving a large amount of front and back electrode paste, and reducing the cost of the shingled cell.