Researchers at Queensland University of Technology have proposed a new design of diamond nanowire bundles, which may pave the way for a new form of mechanical energy storage. According to calculations, the energy of this technology is three times that of lithium-ion batteries.
Scientists at the Queensland University of Technology (QUT) Materials Science Center published a new research paper in Nature Communications, proposing the use of diamond nanowire bundles (DNT) to provide energy storage capabilities, which may give mechanical and biomedical Engineering brings a revolution. DNT is a carbon nanostructure-a set of ultra-thin one-dimensional carbon wires that can store energy when they are twisted or stretched. Dr. Zhan Haifei, a researcher at Queensland University of Technology, led the research team. He compared the nanostructure to a compressed coil or a clockwork toy for children. He said, "When the twisted coil is unwound, energy can be released."
According to the analysis of the Micro Lithium Battery Group, the trick is to control the energy produced. If this energy can be stabilized, then it can be used for a range of applications, from biomedical monitoring systems to nanorobots, and mechanical energy storage.
Professor Zhan said: "Unlike chemical storage that uses electrochemical reactions to store and release energy, such as lithium-ion batteries, the risk of the mechanical energy system itself is much lower." Mechanical energy storage does not have the risk of failure at extreme temperatures. There is no risk of chemical contamination. The stability and safety of the nanowire is not surprising, because it is essentially diamond-the hardest material we know. Of course, the structure of the diamond means it is very strong, hard and light. With these characteristics of equipment, the potential of DNT will only be limited by the imagination of science fiction writers. The famous concept of the "interstellar to space" transportation system first proposed at the end of the 19th century was touted as a possible application of DNT (Prohibition of Tracking), and was also touted as a more practical and efficient concept of electric vehicles.
DNT's energy storage potential is amazing in terms of energy density. In pounds, the energy density of DNT—that is, how much energy its mass can store—is 1.76 megajoules per kilogram, three times that of lithium-ion batteries. Researchers have an idea, but now they must put it into action. In the next two to three years, the QUT team plans to build a control system to test the twist and stretch of the nanowires.
According to the prediction of the Micro Lithium Battery Group, nanowire harnesses can be used in the next generation of transmission lines, avionics, field emission, batteries, smart textiles, and building materials and other structural composite materials, opening the way for new energy storage forms.
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