Algae Is Currently Being Utilized For Powering Electrical Devices

This innovation could see algae being substituted for batteries in the future.The blue-green or cyanobacteria, algae have been utilized by scientists to power the microprocessor for almost a year continuously, with just water and ambient light.

By: Easy Branches Team

Jun 30 2022
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This innovation could see algae being substituted for batteries in the future.

Cambridge University scientists have come up with an alternative method of powering electrical devices through algae.

The blue-green or cyanobacteria, algae have been utilized by scientists to power the microprocessor for almost a year continuously, with just water and ambient light.

They have a reliable system that can be maximized to renewable power small devices later on.

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Also, they have a system that is similar to the AA battery, which contains Synechocysts, a toxic alga that typically generates the solar energy, using photosynthesis.

It generates a very small electrical current interacting with the aluminum electrode that can be utilized to power microprocessors.

The system is developed from cheap, common, and recyclable materials and according to experts, this innovation can be replicated several times to power a large number of small electrical devices on the internet of things.

IOT is a significant number of electronic devices that utilize small power, gather, and share them through the internet.

Several devices are among this network through the use of cheap wireless networks and computer chips such as temperature sensors in power stations and smartwatches.

A professor and a joint senior author of research at the Department of Biochemistry at the University of Cambridge, Professor Howe stated that the rising IOT requires a significant increase in power, which should be gotten from the systems which could generate energy, instead of storage systems like a battery.

This photosynthetic device won't run down compared to batteries as it continually generates power from light.

During an experiment, this device was utilized for powering Arm Cortex + M0+, a popular microprocessor that is popularly used for IOT devices.

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The operation took place in a semi-outdoor and domestic environment under daylight alongside temperature variations. The report was then submitted to be published after undergoing 6 months regular energy production.

Dr. Pablo Bombelli from the Department of Biochemistry at the University of Cambridge who is also the first author of the journal published on Energy and Environmental Science stated that they were amazed at the way the system continued to operate for a very long time, even when they thought it would stop within weeks.

The algae generates food from photosynthesis, which implies that they do not need to be fed. Also, the device will work continuously in darkness even though photosynthesis requires exposure to light.

According to scientists, algae process food during darkness which makes them continue to generate energy without light.

By 2035, the IOT is projected to increase to about one billion devices, which requires a significant number in portable devices.

Also, the scientists indicate that it would become unrealistic to power trillion devices with batteries of lithium-ion. This is because over 3 times the lithium-ion batteries than what is currently produced would be required to power them and conventional photovoltaic devices usually are manufactured with dangerous materials that can adversely affect the environment.

This research was a joint work of Arm, a top firm that focuses on microprocessor design, and the University of CambridgeSpecial