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Hydrogen Production Process Lab
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The lab studies the production and use of hydrogen with solids that conduct protons.
AboutAbout the lab
Building hydrogen devices with proton-conducting solids
The Hydrogen Production Process Lab (Matsumoto Lab) takes "environmental and energy electrochemistry" as its keyword and studies the development and application of functional materials centered on solid materials that conduct protons.
A proton is the positive ion of hydrogen. Solids that conduct protons can be used in many hydrogen energy applications, such as fuel cell power generation and hydrogen production by electrolysis.
In steam electrolysis, the lab has succeeded in highly efficient steam electrolysis experiments by improving electrode materials and making the electrolyte thinner.
The lab is also developing new ion-conducting solids and exploring new phenomena and underlying science hidden in the behavior of ions inside solids.
Key terms
- Proton
- The positive ion of hydrogen. This lab works with solid materials that conduct protons.
- Steam electrolysis
- A method in which an electric current is passed to separate hydrogen from water in the form of protons and extract it as hydrogen.
- Nanoionics
- A peculiar ion-conduction property that appears at the interfaces of solids. Reports of it have increased in recent years, and it is attracting attention.
- Perovskite
- A type of metal oxide. A perovskite that conducts protons was first created in Japan in 1981.
ResearchResearch themes
The Matsumoto Lab takes "environmental and energy electrochemistry" as its keyword and works on the development and application of functional materials centered on ion-conducting solids, especially proton-conducting solids. From the standpoint of solid-state electrochemistry, it develops research that can contribute to technologies that improve the environment, such as environmental remediation, moving away from oil, and the realization of a low-energy society.
*Illustrative imageHydrogen devices using proton-conducting oxides
Using solid materials that conduct protons, the lab develops devices such as fuel cell power generation, hydrogen production by electrolysis, electrochemical hydrogen separation, and hydrogen sensing. In steam electrolysis, it has succeeded in experiments exceeding 90% energy efficiency (HHV) when operating at 600°C.
*Illustrative imageDevelopment of new ion-conducting solids
In search of high-performance solid electrolytes and practical materials with high stability and strength, the lab takes on development starting from proton-conducting perovskites. It found a phenomenon in which the conductivity of an oxide with dispersed metal nanoparticles changes by several orders of magnitude, and also developed a proton conductor using nano-titania particles.
*Illustrative imageExploring new phenomena and underlying science in ionics
The lab discovered nanoionics phenomena specific to proton-conducting oxides and showed the possibility that ion conductivity in solids can be controlled by making use of interfaces. With applications such as fuel cells in mind, it explores the mechanisms by which new ion conductivity arises and the underlying science that can guide materials development.
MembersFaculty
The members of the Hydrogen Production Process Lab are faculty members, academic researchers, doctoral, master's, and undergraduate students, research students, and a secretary.As of 2025
- ProfessorHiroshige Matsumoto
- Associate ProfessorKwati Leonard
- Assistant ProfessorMai Tomizaki
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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: “Unterschiedliche Keramische Multikanalelemente” Peter in s / Public domain (cropped)
- Hydrogen devices using proton-conducting oxides: “Breakdown of a ceramic tube” Korzhenkozos / CC BY 4.0 (cropped)
- Development of new ion-conducting solids: “All-Solid-State Battery” Luca Bertoli / CC BY-SA 4.0 (cropped)
- Exploring new phenomena and underlying science in ionics: “Frémy's-salt-3D-balls-ionic” Hoa112008 / Public domain (cropped)
- Related lab (先進水素システム研究室): “Giant prominence on the sun erupted” NASA/SDO/AIA/Goddard Space Flight Center / Public domain (cropped)
- Related lab (水素貯蔵システム研究室): “Eggshell” TeWeBs / CC BY-SA 4.0 (cropped)
- Related lab (熱物理工学研究室): “Thermal Conductivity Measurement, Modified Transient Plane Source Technique” JimRocket / CC BY-SA 3.0 (cropped)
- Related lab (水素適合材料・破壊学研究室): “Toyota Mirai high-pressure hydrogen tank SAO” Mariordo (Mario Roberto Durán Ortiz) / CC BY-SA 4.0 (cropped)
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