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Yagi Lab (Energy Storage Materials Engineering)
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The lab develops materials for rechargeable batteries and catalysts that store electricity, and investigates how they work.

AboutAbout the lab
Materials that store electricity, for a sustainable society.
The Yagi Lab (Energy Storage Materials Engineering Lab) studies new rechargeable batteries and efficient electrochemical processes from the standpoint of materials science.
Realizing a sustainable society requires technologies that store and convert energy efficiently.
The lab covers the entire process, from synthesizing and evaluating materials and catalysts that store electricity to assembling devices.
It also works on technologies that prevent corrosion of materials, as well as surface treatment.
Key terms
- Electrochemistry
- The field that deals with the relationship between electricity and chemical reactions. It covers batteries, electrolysis, the rusting of metals, and more.
- Carrier ion
- An ion that moves back and forth inside a battery to carry electric charge. In lithium-ion batteries, lithium ions play this role.
- Catalyst
- A substance that speeds up a chemical reaction without itself being changed.
- Corrosion
- The process in which a metal reacts with surrounding water, oxygen, or other substances and rusts or deteriorates.
NewsLab news
Paper on an electrode that converts CO₂ into formate accepted
Review summarizing the outlook for system implementation of magnesium batteries accepted
Feature article on electrolytes for magnesium batteries published in the journal Ceramics
Paper on catalysts for electrolytic CO₂ reduction accepted by Small Science
Paper on simulation of magnesium batteries accepted
ResearchResearch themes
The lab studies energy storage and conversion technologies, which are essential for realizing a sustainable society. From the perspective of materials science, it researches and develops innovative rechargeable batteries and highly efficient electrochemical processes, exploring the fundamental principles behind the phenomena.
*Illustrative imageBatteries with New Mechanisms
There are countless possible battery combinations, but only a limited number of battery types are in practical use. To diversify battery technology and improve performance, the lab studies batteries that use carrier ions other than lithium ions, among other approaches.
*Illustrative imageElectrochemical Catalysts That Speed Up Reactions
The oxygen evolution reaction, which is essential for processes such as water electrolysis, involves large energy losses. The lab clarifies how catalysts work and develops catalysts that are highly active and stable. CO₂ reduction is also among its targets.
*Illustrative imageRust Prevention and Surface Treatment
Extending the lifetime of materials and structures leads to savings in resources and energy. The lab studies technologies that prevent corrosion, a major cause of drastically shortened lifetimes, as well as surface treatment technologies.
MembersFaculty
The members of the Yagi Lab consist of faculty, project researchers, administrative assistants, and doctoral and master's students. External research advisors, research fellows, and joint researchers from companies also take part.
- ProfessorShunsuke YagiPublications ↗
- Assistant Professor神子 公男
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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: “Wasserzersetzer (Firma LCEM)” Rhetos / CC0 (cropped)
- Batteries with New Mechanisms: “CSIRO ScienceImage 937 Coiled magnesium sheets and magnesium ingots” Mark Fergus, CSIRO / CC BY 3.0 (cropped)
- Electrochemical Catalysts That Speed Up Reactions: “AEM water electrolysis working principle with HER and OER” Kavin Teenakul / CC BY-SA 4.0 (cropped)
- Rust Prevention and Surface Treatment: “-Rost-6587” Superbass / CC BY-SA 4.0 (cropped)
- Related lab (Kita Lab): “SiC wafers 6inch” FDominec / CC BY-SA 4.0 (cropped)
- Related lab (Ejima Lab): “Water droplets in a lotus leaf” Aathavan jaffna / CC BY-SA 3.0 (cropped)
- Related lab (Terashima-Ito Lab): “Dusty plasma near anode in glow discharge” Vasilievi / CC BY-SA 3.0 (cropped)
- Related lab (Shimogaki Lab): “Multicrystalline silicon wafer with thin film iridescence” Radiotrefoil / CC BY-SA 4.0 (cropped)
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