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The challenges for superconducting wires and tapes today and tomorrow
Vol 1, Issue 1, 2025
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Abstract
The main advantages of superconducting wires and tapes is lossless flow of transport current, lossless storage of energy, and generation of high magnetic fields. These advantages can help solve the most critical problems that world faces. Currently, humanity's primary concern is energy security. Humanity for stable development needs cheap, stable, and non-polluting energy sources. A fusion reactor can meet such expectations because it will produce a large amount of stable energy without pollution of the natural environment. This reactor needs cheap superconducting coils and superconducting wires with high critical parameters. Various superconducting wires and tapes e.g. NbTi, Nb3Sn, MgB2, HTS, and iron-based superconductors are being considered and tested. It seems that in the future, MgB2 wires with isotopic boron (11B) may be necessary for fusion reactors because irradiation does not degrade the transport critical current density and has a short decay time of about 1 year [1]. Another crucial application of superconductivity could be the combination of renewable energy sources with superconducting magnetic energy storage. This opens up prospects for cheap and clean energy on a small scale (small family businesses).
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Prof. Liang Qiao, University of Electronic Science and Technology of China...