Sanyo Electric develops 22% efficiency solar cell
Sanyo Electric has announced that it has broken its own record for the highest energy conversion efficiency in practical size crystalline silicon-type solar cells, achieving a efficiency of 22% (previously 21.8%) at a research level for its proprietary heterojunction with intrinsic thin-layer (HIT) solar photovoltaic (PV) cells. The enhanced power conversion efficiency is accompanied by advances in lowering the production cost of the PV system and the reduction in the use of raw materials such as silicon, Sanyo Electric noted.
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