thermoelectric suit 08-25-2021, 09:40 AM
#1
Hello
Scientists have developed a wearable device that uses body heat as a battery.
Our bodies maintain a constant temperature of around 37 degrees Celsius to allow the chemical reactions to take place that keep us alive. However, this is not an efficient procedure because most of the heat we produce is lost in our skin, which is about two square meters.
This new device uses thermoelectric generators that take advantage of the temperature difference between the skin and the surrounding air. This converts heat energy into electricity.
Created by a team at the University of Colorado Boulder in the USA, this technology is made from a flexible material that touches the skin and can be worn as a ring or bracelet.
It can repair itself
In addition, thanks to its self-repairing feature, it takes the necessary shape when moved. If it is torn, it can be reassembled and repaired within minutes.
Currently, this wearable device can generate about 1 volt of electricity per square centimeter of skin. While this is less energy than most batteries provide, it's enough to power a clock or devices like a pedometer.
Jianliang Xiao, who took part in this project at the university, states that the new technology is a milestone for the future of wearable electronics and says:
"Every time you use a battery, you also shorten the life of that battery and eventually you have to replace it. The best part of the thermoelectric device is that you can plug it in and provide continuous power without the need for a battery."
It cools itself
During outdoor activities, the cold side of the device, which does not collect body heat, uses a system called "radiative air cooling", which allows it to work more efficiently by reflecting solar radiation.
This process cools the object by allowing heat to escape by reflecting into the atmosphere as a specific wavelength of light.
The experts who carried out the project note that the material used is also recyclable, cheap and environmentally friendly.
It is predicted that clothing and jewelry technology that will generate energy from body heat will reach a level that can provide high energy within 10 years.
Do you think its credibility is mixed?
Scientists have developed a wearable device that uses body heat as a battery.
Our bodies maintain a constant temperature of around 37 degrees Celsius to allow the chemical reactions to take place that keep us alive. However, this is not an efficient procedure because most of the heat we produce is lost in our skin, which is about two square meters.
This new device uses thermoelectric generators that take advantage of the temperature difference between the skin and the surrounding air. This converts heat energy into electricity.
Created by a team at the University of Colorado Boulder in the USA, this technology is made from a flexible material that touches the skin and can be worn as a ring or bracelet.
It can repair itself
In addition, thanks to its self-repairing feature, it takes the necessary shape when moved. If it is torn, it can be reassembled and repaired within minutes.
Currently, this wearable device can generate about 1 volt of electricity per square centimeter of skin. While this is less energy than most batteries provide, it's enough to power a clock or devices like a pedometer.
Jianliang Xiao, who took part in this project at the university, states that the new technology is a milestone for the future of wearable electronics and says:
"Every time you use a battery, you also shorten the life of that battery and eventually you have to replace it. The best part of the thermoelectric device is that you can plug it in and provide continuous power without the need for a battery."
It cools itself
During outdoor activities, the cold side of the device, which does not collect body heat, uses a system called "radiative air cooling", which allows it to work more efficiently by reflecting solar radiation.
This process cools the object by allowing heat to escape by reflecting into the atmosphere as a specific wavelength of light.
The experts who carried out the project note that the material used is also recyclable, cheap and environmentally friendly.
It is predicted that clothing and jewelry technology that will generate energy from body heat will reach a level that can provide high energy within 10 years.
Do you think its credibility is mixed?
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