Body Heat Powers Electronics: A Battery Alternative
Body Heat Could Power Your Devices: Scientists Develop Flexible,Film-Thin Battery Alternative
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Researchers at Queensland University of Technology have made a breakthrough in wearable technology,developing a flexible,film-thin material that can harvest energy from body heat. This innovation could revolutionize the way we power small electronic devices, from fitness trackers to medical sensors.
Professor Zhi-Gang Chen, a lead researcher on the project, explains that the film acts as a thermoelectric generator, converting the temperature difference between the body and the surrounding habitat into electricity. “This flexible thermoelectric device can be comfortably worn on the skin, effectively turning body heat into usable power,” Chen said.
Cooling Down Electronics and More
Beyond powering wearables, the technology holds promise for cooling down electronic chips. The ultra-thin film could be integrated into smartphones and laptops, helping to regulate chip temperature and improve performance.
Chen envisions even broader applications, such as personalized temperature management systems. “Imagine a wearable system that uses body heat to power a small heating or cooling unit, providing personalized climate control,” he suggests.
Overcoming Past Limitations
Previous attempts to harness body heat for energy have been hampered by inflexible materials, complex production processes, and high costs. This new approach, however, utilizes a cost-effective material called bismuth telluride, a semiconductor with excellent thermoelectric properties.
the researchers created a flexible, A4-sized sheet of bismuth telluride by using a technique called solvothermal synthesis. This method involves forming nanocrystals under high temperature and pressure, followed by screen printing and sintering to create a durable, interconnected film.
Scalable and Lasting
The screen printing technique allows for mass production of the thermoelectric film, making it commercially viable. Additionally, the researchers believe this method can be adapted to other thermoelectric materials, such as silver selenide, possibly leading to even cheaper and more sustainable solutions.
Wenyi Chen, another researcher on the team, emphasizes the versatility of their approach. “The flexibility of this material opens up a wide range of possibilities. This method could significantly advance the field of flexible thermoelectric technology,” Chen said.The team’s findings were published in the prestigious journal Science on December 12, 2024.
Harnessing Body Heat: QUT Researchers Develop Wearable Power Source
NewsDirectory3.com - Researchers at Queensland University of Technology (QUT) have unveiled a groundbreaking innovation: a flexible,film-thin material capable of generating power from body heat.this breakthrough could revolutionize the wearable technology landscape, offering a sustainable and efficient way to power everything from fitness trackers to medical sensors.
Professor Zhi-Gang Chen,a lead researcher on the project,explains that the film functions as a thermoelectric generator,converting the temperature difference between the body and the surrounding environment into usable electricity. “This flexible thermoelectric device can be comfortably worn on the skin, effectively turning body heat into usable power,” professor Chen stated.
The technology’s applications extend beyond wearables. Professor Chen envisions its integration into smartphones and laptops to regulate chip temperature and improve performance. He also suggests the possibility of personalized temperature management systems,where body heat powers small heating or cooling units for customized climate control.
Previous attempts to harness body heat for energy have been hindered by inflexible materials, complex manufacturing processes, and high costs. Though, this new approach utilizes a cost-effective material called bismuth telluride, a semiconductor renowned for its excellent thermoelectric properties.
The researchers employed a technique called solvothermal synthesis to create a flexible, A4-sized sheet of bismuth telluride. This method involves forming nanocrystals under high temperature and pressure, followed by screen printing and sintering to produce a durable, interconnected film. The screen printing technique enables mass production and commercial viability.
Wenyi Chen, another researcher on the team, highlighted the versatility of this method. “The versatility of this material opens up a wide range of possibilities. This method could significantly advance the field of flexible thermoelectric technology,” Chen said.
the team’s groundbreaking findings were published in the prestigious journal Science on December 12, 2024.