Current status and technology trend of crystalline Si solar cell

Now, crystalline silicon solar cells are approaching a major technical turning point. Conventional solar cells which are currently the mainstream are widely used and production cost is low, but it is difficult to achieve high efficiency exceeding 20%. Therefore, development and mass production of PERC cells, which will become mainstream of the next generation, are rapidly progressing. The cell efficiency of mono-crystalline PERC is 22.61%, and multi-crystalline PERC reached 21.63%. Meanwhile, the efficiency of SHJ cells and IBC cells, which are representative of highly efficient crystalline silicon cells, has also been improved, and the maximum efficiency of both is over 25%. Furthermore, the highest efficiency of the IBC-SHJ cell which merged the merits of IBC and SHJ reached 26.33%.