While Sharp has the thinnest solar panel, Sanyo announced the development of its new HIT crystalline silicon-type solar cell that offers the world’s highest energy conversion efficiency in practical size (100 cm2 or more). The new solar cell achieve e a efficiency of 23.0%.
The structure of the HIT solar cell is such that it has a feature that can reduce recombination loss of the electrical element (charged carrier) by surrounding the energy generation layer of single thin crystalline silicon (c-Si) with high quality ultra-thin amorphous silicon (a-Si) layers.