WearGRAPH, a two-year long project part of the EU’s Graphene Flagship initiative, has developed a graphene-based, battery free, wireless and flexible power device for wearable electronics.
This design aims to overcome problems associated with more conventional modes of power supply in wearable electronics, including recharging batteries and safety concerns.
Led by Graphene Flagship partners Dresden University of Technology and Interactive Wear in Germany, the project has achieved the objectives set at its launch in 2018 – to use graphene’s high level of connectivity and flexibility in textiles with energy harvesting and energy storage, to produce a self-sufficient wearable device.
The properties of graphene have allowed scientists to design a system where solar cells and supercapacitors provide the power, removing the need for a lithium ion battery or regular stops for recharging. The device communicates with a smartphone via a NFC antenna, which could be integrated with a range of applications.
The WearGRAPH team has applied this technology to a digitised cooling jacket. The E-Cooline Powercool SX3 Shirt has been equipped with its own climate monitoring system. The shirt has sensors for barometric pressure, humidity and temperature, with the system’s self-charging sensors relaying the data to a smartphone. The result is a more effective cooling system but without the need for any wires or charging.
Xinliang Feng, professor at Graphene Flagship partner TU Dresden, who led the WEARGraph project, said: “The developed digitised cooling jacket could be used for a wide range of groups such as patients and workwear.”
Ali Shaygan, Nia Group leader at TU Dresden, added: “The technology has huge potential to address various market segments such as fashion, sport, wellness, medical and, in general, internet of things applications.”
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June 01, 2020 at 03:54PM
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Graphene-based flexible power device for wearable electronics developed - Med-Tech Innovation
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