Biological Solar Cell Powers Medical Devices

Biological Solar Cell Powers Medical Devices
Oct-20-17
A biological solar cell could offer a new way to power medical devices in remote areas.

The cell was created by a team from Binghampton University for powering lab-on-a-chip devices, which require a clean, self-contained power source. Its miniature solar cells are powered by photosynthetic microorganisms—in this case, a cyanobacterium that can generate energy both night and day. The team grew the bacteria film on a conductive material to create the anode for the solar cell, then enclosed the completed system in a gas-permeable, transparent membrane.

According to the team, the biological solar cell was able to produce sustained power of about 18.6µW per cm2 during the day and 11.3µW per cm2 at night for 20 days.




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