With the development of transparent batteries, the use of various electronic and skin-attachable devices that can generate and store power is expected. DGIST announced on Tuesday, April 23 that the team of Changsoon Choi, a senior researcher of the Intelligent Textile Research Group, has developed a multi-functional transparent energy device based on thin-film graphene.
Senior researcher Changsoon Choi's team actively uses "single-layer graphene film" as electrodes to develop transparent devices. Due to its excellent conductivity and light and thin characteristics, the single-layer graphene * film is ideal for electronic products requiring batteries. By using a polymer nano-pad containing a semi-solid electrolyte, the research team successfully increased the transparency (up to 77.4%), and the landscape and letters could be clearly seen.
In addition, the research team designed the self-charging and storage structure of the electronic device by inserting the energy storage panel into the energy conversion panel in the upper layer and the lower panel of the power device. They even succeeded in manufacturing electronic devices with touch-sensing systems by adding touch sensors below the upper energy storage panel.
Senior researcher Changsoon Choi in the Smart Textile Research Group, co-author of the paper, said, "We decided to start this research because we were surprised by the smartphone that appeared in the film transparency. Although there is still a long way to go In addition, due to commercialization for high production costs, we will do our best to promote the further development of this technology, because we have achieved success in the field of transparent energy storage, and there are no obvious research results in this field. "
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