Jun 13, 2022

Solar power anywhere: Lightweight organic cells aim beyond rooftops

Posted by in categories: solar power, sustainability

Ricoh, European startups race to bring flexible power source to market this year.

TOKYO — A thin, flexible alternative to silicon-based solar cells is set to be produced in greater volumes, opening up more uses for renewable energy such as powering indoor smart devices.

Organic solar cells are made by printing photovoltaic material on plastic sheets and other bendable substrates. They are expected to cost half as much to make as silicon-based solar cells and are 100 times lighter, manufacturers say.

Unlike silicon cells, the conversion efficiency of organic solar cells does not drop when used indoors. Companies are zeroing in on that advantage to develop power sources for smart speakers, remote controls and sensors.

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