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This new discovery helps you ‘charge your mobile with your blood’

mobile charge blood

A team of researchers in China have developed an unusual method to harness electricity from human blood-stream.

The researchers from Fudan University in China say the process involves nanpscale carbon fibres and could lead to self-powered medical devices.

It’s a truly modern experience: losing battery power on your mobile device and searching desperately for a source of electricity. But what if that source was flowing through your veins? A team of researchers are looking to harness that power from within our own bodies, using power generators inside the bloodstream.

The team from Fudan University in China has developed a lightweight power generator that can convert flowing blood in vessels into power. This is made possible by a fibre made of carbon nanotubes, which are electroactive. In tests, this thread of fibres, called a “fibre-shaped fluidic nanogenerator” (FFNG), is attached to electrodes and immersed in a solution to imitate the bloodstream. According to the researchers, “The electricity was derived from the relative movement between the FFNG and the solution.”

The researchers were inspired by the concept behind hydropower, which uses flowing water or steam to turn a turbine and generate electricity. Like hydropower, blood-based electricity would be a source of renewable electricity not dependent on the weather, as solar and wind energy are.

The researchers stated that their method was able to harness twenty percent of the energy generated from a test with a saline solution, a far more efficient result than previous models.

The mechanical properties of the material will potentially allow it to have some interesting applications. For one, this could turn into an easy way to generate power for internal medical devices, like pacemakers. Additionally, according to the press release, “Other advantages are elasticity, tunability, lightweight, and one-dimensionality,” which could allow the material to be woven into fabrics, allowing you to power wearable devices using yourself as an energy source.

The device also has the upside of being stationary; proposed energy generators that floated in the blood raised concerns that they could lead to blood clots.

The article was first published by the World Economic Forum.

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