IBM Develops High-Efficiency Solar Cells
IBM Develops Higher-Efficiency Solar Cells Using Non-Rare Materials
IBM researchers have created a high-efficiency solar cell that is 40 percent more efficient than any similar cells, and is made of earth abundant materials.
The cells operate at a power conversion efficiency of 9.6 percent. And while that isn't that high, the cells use only common elements like copper, zinc, tin, sulfur, and selenium. By comparison, the most efficient common earth element solar cell on the market today only operates at 6.7 percent efficiency.
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