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Showing posts from October 18, 2017

Most powerful micro-scale solar cell yet developed

WASHINGTON:
Scientists have developed a micro-scale biological solar cell that generates more power than any existing cell of its kind.

A microfluidic lab-on-a-chip system that generates its own power is essential for stand-alone, independent, self- sustainable point-of-care diagnostic devices to work in limited-resource and remote regions, said Professor Seokheun Choi, from Binghamton University in the US.

Miniaturised biological solar cells (micro-BSCs) can be the most suitable power source for those applications because the technique resembles the earth's natural ecosystem.

"Micro-BSCs can continuously generate electricity from microbial photosynthetic and respiratory activities over day- night cycles, offering a clean and renewable power source with self-sustaining potential," said Choi.

"However, the promise of this technology has not been translated into practical applications because of its relatively low power and current short lifetimes," he said.


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