Applied Superconductivity Engineering
Superconducting technology is expected to contribute to our society by improving the efficiency of energy systems derived from the high current density of superconductors and creating new technologies through the application of high magnetic fields. In our laboratory, we have been developing high-efficiency and low-loss superconducting electrical devices using low-temperature superconducting wires and high-temperature superconductors (bulk and thin-film wires). We have also developed compact and/or high-field superconducting magnets for medical and/or fusion applications.
Compact and high-field MRI/NMR systems will play a very important role in outpatient and private laboratories. Therefore, we are developing a cryogen-free desktop MRI/NMR system with a magnetic field strength of 3 T to 5 T using high-temperature superconducting bulks and wires. In order to further reduce the size of the superconducting magnet for NMR/MRI, we will also develop a superconducting magnet using a newly developed low-temperature superconducting wire.
We have developed a 600 kW-class superconducting wireless power transmission (WPT) system that enables safe and rapid charging. This system consists of superconducting coils on the ground side for power supply and copper coils on the vehicle side for power receiving, and rapid charging is performed by electromagnetic induction between the coils in a high-frequency magnetic field of several kHz.
We study on applications of high temperature superconducting (HTS) magnets to (1) high-field NMR (Nuclear Magnetic Resonance) spectroscopy for advanced research on structural functional biology of proteins and protein complexes, (2) high-field MRI (Magnetic Resonance Imaging) to form high-resolution pictures of the anatomy and the physiological processes of the body, (3) medical accelerators for cancer therapy and the production of radio isotope medicines, and (4) compact magnets for the nuclear fusion reactor offering carbon-free and ultimate green energy of the future.