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Mitsushima-Kuroda Lab
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A lab studying fuel cells and water electrolysis to support a hydrogen energy society.

AboutAbout the lab
Working toward a hydrogen energy society
The Mitsushima-Kuroda Lab studies foundational technologies for realizing a hydrogen energy society from the perspectives of electrochemistry and materials chemistry.
As technologies for producing hydrogen, transporting it, and converting it into electricity, the lab studies water electrolysis, electrosynthesis of organic hydrides, and fuel cell catalysts.
Much of its research is conducted as part of national projects or in joint research with companies specializing in electrolysis and energy-related technologies.
On the lab's website, it is presented under the name "Energy Conversion Chemistry Lab."
Key terms
- Water electrolysis
- A technology that produces hydrogen by electrolyzing water. If electricity from renewable energy is used, hydrogen can be produced without emitting carbon dioxide
- Organic hydride
- An organic compound that has taken in hydrogen. It is used as a substance for carrying hydrogen (a hydrogen carrier)
- Polymer electrolyte fuel cell
- A fuel cell that operates at low temperatures, from room temperature to about 80°C. It has been put to practical use in home systems and fuel cell vehicles
NewsLab news
A doctoral student received the Outstanding Student Presentation Award at the 92nd Annual Meeting of the Electrochemical Society of Japan
A master's student received a Poster Award at the 16th Fuel Cell Summer School
Prof. Mitsushima and colleagues received the Reiwa 6 (FY2024) National Invention Award
A student received the Student Presentation Award at the 91st Annual Meeting of the Electrochemical Society of Japan
A master's student was selected for the Student Excellent Presentation Award at the 43rd Annual Meeting of the Hydrogen Energy Systems Society of Japan
ResearchResearch themes
The lab studies hydrogen-based energy conversion systems so that renewable energy can be used when and where it is needed. To produce and transport hydrogen and generate electricity from it, the lab pursues research themes on advanced water electrolysis technology, electrosynthesis of organic hydrides, and innovative fuel cell catalysts.
*Illustrative imageAdvancing water electrolysis technology
Aiming at large-scale hydrogen production from renewable energy, the lab is developing common performance evaluation methods and equipment that allow companies and research institutes to compare new materials, and is analyzing catalyst degradation mechanisms. It also works on highly durable electrodes that operate stably even under fluctuating power sources.
*Illustrative imageElectrosynthesis of organic hydrides
As a hydrogen carrier for transporting hydrogen, the lab studies devices that efficiently produce organic hydrides, in which hydrogen is incorporated into toluene. Using a membrane electrolyzer based on fuel cell technology, it is investigating a method to produce methylcyclohexane directly from toluene without going through hydrogen.
*Illustrative imagePlatinum-free fuel cell catalysts
For polymer electrolyte fuel cells (PEFCs), the lab is developing new materials that use metal oxides instead of platinum and show high activity and long durability. By investigating active-site structures and reaction mechanisms, it aims to clarify the performance of oxide catalysts at the level of fundamental principles.
MembersFaculty
The members of the Energy Conversion Chemistry Lab consist of faculty, researchers, technical staff, and doctoral, master's, and undergraduate students.As of 2026
- ProfessorShigenori Mitsushima
- ProfessorYoshiyuki Kuroda
- Assistant ProfessorYuki Sugawara
- Project ProfessorAkimitsu Ishihara
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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: “Front cells” CambridgeBayWeather / CC BY-SA 4.0 (cropped)
- Advancing water electrolysis technology: “Alkaline water electrolyser” Kavin Teenakul / CC BY-SA 4.0 (cropped)
- Electrosynthesis of organic hydrides: “SSET gaseous hydrogen vent line” NASA/Tim Jacobs / Public domain (cropped)
- Platinum-free fuel cell catalysts: “Fuel Cell, Gemini, Cutaway - DPLA - f07bc58fc44676eb0e33c520a6aaf477 (page 3)” General Electric Co. (Lynn, MA) / CC0 (cropped)
- Related lab (Matsuzawa Lab): “Superheroes of our time” Gn.zhigerbayeva / CC BY-SA 4.0 (cropped)
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