Our body produces energy that we normally waste. Human heat can be converted into electricity. This would be very useful in order to be less dependent on the usual electrical current. That is why the ring charged with human warmth was created – researchers at the University of Colorado at Boulder did it. Turn the human body into a biological battery.
The device is described in the journal Science Advances. It’s elastic and can be used as a ring, bracelet, or other accessory that touches the skin. Take advantage of a person’s natural warmth. It uses thermoelectric generators to convert the internal temperature of the body into electricity.
“We want to provide power to portable electronic devices without the need for a battery,” said Jianliang Xiao. It’s a statement. Is Main author of the new article.
The devices can generate approximately 1 volt of electricity per square inch of skin area. Enough to power electronic devices such as watches or fitness trackers. This device can only be repaired if it is damaged and fully recyclable. It’s a cleaner alternative to traditional electronic devices.
“If a battery is used, it will run out and will eventually need to be replaced,” said Xiao. “Our thermoelectric device is usable and provides constant performance.”
Material that regenerates
The innovation starts with a base made from a stretchy material called polyimine. The scientists then place a series of thin thermoelectric chips on this base. They are connected with liquid metal cables. The end product looks like a cross between a plastic bracelet and a miniature computer motherboard.
The performance has been calculated. Brisk walking would generate around 5 volts of electricity, which is more than many watch batteries can handle.
Like Xiao’s electronic skin, the new devices are as robust as biological tissue. What if your device breaks? You can join the broken ends together and they will reseal in just a few minutes. Each and every one of these ingredients can be reused.
The ring charged with human warmth can be brought to market in the next five years. Soon we will see these devices with frequencies.