Technology:
Panasonic has developed a solar cell that renewed the world record in
generation efficiency. Panasonic’s new product has 24.7% generation efficiency,
0.5% higher than 24.2% maintained by Sunpower of the U.S. A solar cell produces
various kinds of energy loss in the process to generate electricity with the
sunlight coming in through a solar panel. In general, the energy loss is
between 70% and 80%. It is critical to lessen the energy loss as much as
possible.
Panasonic improved the film on the surface of a cell to increase the
absorbed amount of sunlight and reviewed the materials and figure of the electrode.
The National Institute of Advanced Industrial Science and Technology (AIST) measured the generation efficiency of the Panasonic’s new solar cell and
confirmed that its generation efficiency is 24.7%. Panasonic plans to translate
the research results into product development in the housing business to
survive in the fierce price competition.
Panasonic’s photovoltaic system for housing
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