Japan develops new thin-film solar cells

Japan develops new thin-film solar cells

Recently, a joint research group consisting of the Japan Institute of Physical Chemistry and Toray Corporation has developed a new type of thin-film solar cell that can be attached to clothes using an electric iron. The battery is made of a thin, soft resin surface coated with an organic polymer semiconductor material that converts solar energy into electrical energy.

With a thickness of 3 microns, the performance remains unchanged at 100 degrees. If it is attached to clothes, shoulders, etc., it can be used as a power source for portable music players.

The photoelectric conversion efficiency of this battery reaches 10%, which is higher in organic solar cells. The performance of previously thin solar cells will be reduced by about 20% after heating, but this newly developed battery will not show performance degradation. Happening.

Researcher Kenji Fukuda of the Institute of Physical Chemistry said that “intelligent textiles” with body temperature and heart rate sensors embedded in fabrics are attracting people's attention. In order to use the battery as a power source, the amount of power generated will increase in the future.

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