Researchers at Wake Forest University in the United States have developed a thermoelectric device called a “power felt” that converts human body heat into electricity just by touching it, allowing cell phone batteries to quickly have enough power to make the next call. .
Relevant research results were published in the journal Nano Letters.
Researchers from the University’s Center for Nanotechnology and Molecular Materials said that this device locks tiny carbon nanotubes into flexible plastic optical fibers and feels like fabric.
This technology uses temperature differences to generate electricity for charging, such as the difference between room temperature and human body temperature.
“Power felt” can be placed on car seats to ensure the power needs of batteries; it can also be lined in insulated pipes or under roof tiles to collect heat to reduce gas or electricity bills; or lined in clothing as a microelectronic charging device; Or bandaging the injured vein location to better meet the medical needs of tracking patients.
“We waste a lot of energy in the form of heat, but that energy can be recaptured, for example by “capturing” the energy wasted in cars to improve fuel mileage, add power to radios, air conditioners or navigation systems, says researcher Kohu It. Generally speaking, thermoelectricity is an underdeveloped energy capture technology, but there is still a lot of room for development.
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