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Applied Electric Energy Systems Lab
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A lab that researches applications of superconductivity and energy storage using electric power and hydrogen.
AboutAbout the lab
Aiming for a sustainable society through applications of superconductivity.
The Applied Electric Energy Systems Lab researches applications of superconductivity and energy storage systems that use renewable energy and hydrogen.
Applications of superconductivity span a wide range of fields, including power, medicine, industry, and space.
The lab has no core hours, and each member pursues research without being bound by a fixed schedule. The lab also actively accepts students from other universities and technical colleges (KOSEN).
On the lab's website, the lab is introduced under the name "Tsuda-Nagasaki Lab."
Key terms
- Superconductivity
- A phenomenon in which electrical resistance disappears when certain materials are cooled. Research is advancing on devices and equipment that use this property
- Hybrid power-hydrogen energy storage system
- A system that combines instant storage and release of electric power with hydrogen storage to supply stable power even in emergencies
- Wireless power transfer
- A method of transmitting power without connecting cables. This lab aims to achieve high-capacity power transfer using superconducting coils
- Quench
- A phenomenon in which the superconducting state breaks down and the material returns to a normal state with electrical resistance
NewsLab news
A lab member won the Young Researcher Excellent Presentation Award from the Technical Committee on Superconducting Applications of the Institute of Electrical Engineers of Japan
A paper by Associate Professor Nagasaki and colleagues won the Paper Award (Academic) from the Cryogenics and Superconductivity Society of Japan
A student won the Tohoku University President's Award
Associate Professor Nagasaki won the Grand Prize at the 1st Tohoku TechPlan Grand Prix
ResearchResearch themes
The lab researches applications of superconductivity in a wide range of fields, including power, medicine, industry, and space, as well as energy storage systems that use renewable energy and hydrogen. The research aims to realize a sustainable society in the future.
*Illustrative imageEnergy storage with electric power and hydrogen
The power output of renewable energy sources is unstable, which makes it difficult to balance supply with electricity demand. The lab proposes and studies a "hybrid power-hydrogen energy storage system" that can store and release electric power instantly and supply stable power even in emergencies.
*Illustrative imageSuperconducting cables for offshore wind power
The lab studies the use of superconducting power cables, which can transmit large amounts of power with lower loss than copper cables, as long-distance submarine transmission cables that carry offshore wind power to land.
*Illustrative imageWireless power transfer with superconducting coils
As zero-emission vehicles become widespread, safe, simple, high-capacity wireless power transfer is needed. The lab aims to achieve low-frequency, high-capacity power transfer using high-temperature superconducting coils, which can carry large currents.
*Illustrative imagePractical application of high-temperature superconducting MRI
MRI using high-temperature superconductors can achieve higher resolution through higher magnetic fields, and its practical use is anticipated. It has not yet reached practical use because quench phenomena are difficult to detect, so the lab is working to clarify the causes of quenches and establish effective methods of protecting the coils.
MembersFaculty
The members of the Tsuda-Nagasaki Lab consist of faculty, staff, doctoral, master's, and undergraduate students, and international students.As of 2026
- ProfessorMakoto Tsuda
- Associate ProfessorYoh Nagasaki
- Assistant ProfessorSatsuki Okumura
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Wind Turbines and Power Lines, East Sussex, England - April 2009” Diliff / CC BY-SA 3.0 (cropped)
- Energy storage with electric power and hydrogen: “World’s 1st Low-Emission Hybrid Battery Storage, Gas Turbine Peaker System” Ysc usc / CC BY 4.0 (cropped)
- Superconducting cables for offshore wind power: “Middelgrunden wind farm edit filtered” Photo by Kim Hansen. Postprocessing (crop, rotation, color adjustment, dust spot removal and noise reduction) by Richard Bartz and Kim Hansen. / CC BY-SA 3.0 (cropped)
- Wireless power transfer with superconducting coils: “Wireless charging for electric vehicles ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
- Practical application of high-temperature superconducting MRI: “MRI-Philips” Jan Ainali / CC BY 3.0 (cropped)
- Related lab (Takeuchi Lab): “Hero-64-pixel-array-superconducting-nanowire-single-photon-detector-b” NASA/JPL-Caltech; Text by Dr. Warren Holmes / Public domain (cropped)
- Related lab (Electric Power Network Systems (Noda) Lab): “High voltage power grid of the United States” Wikideas1 / CC0 (cropped)
- Related lab (Nano Spin Memory [Ikeda] Lab): “Semiconductor clean room” Aileen Devlin/Jefferson Lab from Newport News, USA / Public domain (cropped)
- Related lab (Advanced Energy Systems (Nakamura) Lab): “Single wind turbine blade at Little Cheyne Court (Kent) - geograph.org.uk - 904241” john dodgson / CC BY-SA 2.0 (cropped)
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