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Miyauchi-Yamaguchi Lab
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A lab that changes materials with light and electricity to take on energy challenges.
AboutAbout the lab
Solving energy challenges with light and electricity.
The Miyauchi-Yamaguchi Lab studies materials that use light and electricity to convert one substance into another.
The lab improves photocatalysts that produce hydrogen from water using sunlight or break down harmful substances, using electrochemical measurements to identify what makes them work.
Using hydrogen-rich two-dimensional materials in the form of nanosheets, the lab aims to realize lightweight and safe hydrogen carriers.
The lab also develops electrode materials and catalysts for electrochemical reactions that convert carbon dioxide into useful chemical feedstocks.
Key terms
- Photocatalyst
- A material that drives a chemical reaction when light shines on it. It can produce hydrogen from water or break down harmful substances.
- Hydrogen carrier
- A material for storing and transporting hydrogen safely and releasing it when needed.
- Electrocatalyst
- An electrode material that makes a reaction driven by an electric current proceed more easily.
NewsLab news
Research results published in JACS and announced in a press release
Research results published in Adv. Optical Mater. and announced in a press release
Master's student won an award at the Energy Innovation Co-creation Project
Master's student won an award at the international conference STAC-15
Doctoral student received the Excellent Student Presentation Award at the Autumn Meeting of the Electrochemical Society of Japan
ResearchResearch themes
The lab tackles energy challenges by designing materials at the nanoscale and creating new substances from a materials science perspective. Its research rests on three pillars: material conversion using light, hydrogen storage and release, and electrochemical material conversion.
*Illustrative imageMaterial Conversion Using Light
Photocatalysts can produce hydrogen from water using sunlight, but it is not easy to determine which step of the reaction a material improvement actually affects. The lab separates and evaluates these steps with electrochemical measurements, and also works on the conversion of methane and carbon dioxide and the search for previously unknown photocatalytic materials.
*Illustrative imageMaterials That Store and Release Hydrogen
The lab works with hydrogen-rich two-dimensional materials, such as hydrogen boride sheets in which hydrogen and boron are bonded in a 1:1 ratio. These materials have a high gravimetric hydrogen density, are lightweight, and can be synthesized by a simple solution method. The aim is to release hydrogen in an energy-efficient way using stimuli such as heat, light, and electricity.
*Illustrative imageElectrocatalysts Made by Electrochemistry
The lab develops electrode materials and catalysts for electrochemical CO2 reduction, which converts carbon dioxide into useful chemical feedstocks using electricity from renewable energy. It uses machine learning to explore catalyst design guidelines, and also works on hydrothermal electrochemistry, in which reactions are carried out at high temperature and high pressure.
MembersFaculty
The members of the Miyauchi-Yamaguchi Lab are faculty and doctoral, master's, and undergraduate students.As of 2026
- ProfessorMasahiro MiyauchiPublications ↗
- Associate ProfessorAkira YamaguchiPublications ↗
- Assistant ProfessorYohei ChoPublications ↗
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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: “Titanium dioxide powder dispersing in water” Pixelmaniac pictures (Leave a reply) / CC0 (cropped)
- Material Conversion Using Light: “Titanium dioxide nanoparticles” Oregon State University / CC BY-SA 2.0 (cropped)
- Materials That Store and Release Hydrogen: “Hydrogen cascade storage system” EERE / Public domain (cropped)
- Electrocatalysts Made by Electrochemistry: “Solid oxide electrolyser cell prefab” EERE / Public domain (cropped)
- Related lab (鎌田研究室): “Perovskite-Magnetite-207500” Robert M. Lavinsky / CC BY-SA 3.0 (cropped)
- Related lab (神谷研究室): “Flexible display” U.S. Army RDECOM / CC BY 2.0 (cropped)
- Related lab (片瀬研究室): “Wire for ITER superconducting magnets ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
- Related lab (松下祥子研究室): “Krafla geothermal power plant” Hansueli Krapf / CC BY-SA 3.0 (cropped)
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