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Fusion and Tritium Lab
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A lab that develops fusion and hydrogen energy from the perspective of chemical engineering.
AboutAbout the lab
Developing next-generation energy from the perspective of chemical engineering
The Katayama-Edao Lab researches the development of next-generation energy systems from the perspective of chemical engineering.
It focuses on system development for fusion reactors, which are expected to be a future energy source, and on research into hydrogen energy systems.
Using chemical engineering concepts that deal with mass transfer and reactions, the lab investigates the behavior of tritium, the fuel for fusion reactors.
On the lab's website, it is introduced under the name "Katayama-Edao Lab."
Key terms
- Tritium
- One of the isotopes of hydrogen. It serves as fuel for fusion reactors, but hardly exists in nature
- Blanket
- A reactor component placed inside the vacuum vessel so as to surround the plasma. It is responsible for producing tritium and recovering heat
- Chemical engineering
- A discipline that aims to solve problems arising in manufacturing settings rationally by organizing factors such as the transfer and reaction of materials
NewsLab news
A PhD student received the "Encouragement Award"
A master's student received the "Outstanding Major Award" of the Plasma and Quantum Science and Engineering Major
A master's student received the "Major Award" of the Plasma and Quantum Science and Engineering Major
A figure by a PhD student was selected for the cover of the Journal of Plasma and Fusion Research, vol. 102
A paper by Professor Katayama and colleagues was published in Fusion Science and Technology
ResearchResearch themes
From the perspective of chemical engineering, the lab investigates how tritium, the fuel for fusion reactors, moves inside reactors and materials. Its research includes breeding blankets that produce tritium and plasma-facing walls, and it works on system development for fusion energy and hydrogen energy.
*Illustrative imageProduction and release of fuel tritium
Tritium, the fuel for fusion reactors, is produced through the reaction of neutrons with lithium. The lab investigates the release of tritium from solid and liquid lithium compounds and models it from the perspective of chemical engineering, aiming to predict the release.
*Illustrative imageHydrogen behavior in plasma-facing walls
Complex mass transfer occurs in the protective material (wall) facing the plasma. The lab tackles unresolved issues, such as fuel particles trapped in redeposition layers and the behavior of tritium migrating into cooling water, through experiments using carbon and tungsten deposition layers.
MembersFaculty
The members of the Katayama-Edao Lab are faculty, professors emeritus, academic researchers, technical staff, and PhD, master's, and undergraduate students.As of 2026
- ProfessorKazunari Katayama
- Associate ProfessorYuki Edao
- Assistant ProfessorShoichiro Kawase
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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: “Blausen 0530 HydrogenIsotopes” BruceBlaus / CC BY 3.0 (cropped)
- Production and release of fuel tritium: “Lithium paraffin” Tomihahndorf / Public domain (cropped)
- Hydrogen behavior in plasma-facing walls: “Hydrogen” Joe DeMare / CC0 (cropped)
- Related lab (Fuel Cell Systems Lab): “SOFC solid oxide fuel cell” Luketheslovak / CC BY-SA 4.0 (cropped)
- Related lab (Social System Design and Environmental Assessment Lab): “Electric vehicle charging stations in Stuttgart 1X7A6287” Alexander Migl / CC BY-SA 4.0 (cropped)
- Related lab (Social System Design and Environmental Assessment Lab (Yuriko Hayabuchi)): “Cleaning solar panels (1053)” Oliver Rudkin / CC BY 2.0 (cropped)
- Related lab (Energy Device Visualization Technology Lab): “KSC-06pd0006 - Technicians working on fuel cell in OPF” Kim Shiflett / Public domain (cropped)
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