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Solid-State Energy Chemistry Lab
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A lab exploring next-generation electrode materials for rechargeable batteries through new chemistry.
AboutAbout the lab
Searching for next-generation battery materials through new chemistry.
The Solid-State Energy Chemistry Lab focuses on developing next-generation battery materials.
In addition to improving the performance of cathode materials for lithium-ion batteries, the lab is working on new batteries that use abundant, familiar elements such as sodium and iron.
The lab carries out its research through joint research with companies in Japan and abroad and international collaboration with a variety of universities and research institutions.
Key terms
- Anion redox
- A mechanism that uses a redox reaction in which oxygen takes part in transferring charge. It is considered a candidate for next-generation high-energy-density battery materials.
- Rock-salt structure
- A crystal structure with a more robust framework than the conventional layered structure. The lab focuses on electrode materials with this structure.
- Aqueous battery
- A battery that uses water, a nonflammable and safe solvent, as the electrolyte.
NewsLab news
View More ↗ResearchResearch themes
Aiming at a decarbonized society, the Solid-State Energy Chemistry Lab works to improve the performance of rechargeable batteries, especially lithium-ion batteries. Rather than applying existing theory, the lab explores next-generation electrode materials based on new chemistry. Note that the information on the research introduction page dates from around 2022.
*Illustrative imageElectrode materials using manganese and oxygen
As research on materials free of cobalt and nickel advances worldwide, the lab is developing electrode materials that exploit the redox reaction of abundant manganese and oxygen (anion redox).
*Illustrative imageRock-salt materials capable of fast charging and discharging
The lab focuses on materials with a rock-salt structure, which has a more robust framework than the conventional layered structure. A vanadium-containing material discovered in the lab is increasingly shown to allow fast charging and discharging as well as a longer lifetime.
*Illustrative imageBattery materials using sodium
In response to concerns over lithium resources, the lab studies battery materials that use abundant sodium ions. It has found materials that can be charged in a few minutes, and materials that show almost no degradation even after 1,500 charge-discharge cycles.
*Illustrative imageAqueous batteries using nonflammable water
Lithium-ion batteries use flammable organic solvents, and battery fires have become a social problem. The lab is also developing safe and reliable batteries that use nonflammable water as the electrolyte, with fast charging and excellent lifetime.
MembersFaculty
The members of the Solid-State Energy Chemistry Lab are faculty members, a Project Assistant Professor, JSPS International Research Fellows, doctoral, master's, and undergraduate students, and a secretary.As of 2026
- ProfessorNaoaki Yabuchi
- Assistant ProfessorYosuke Ugata
- Project Assistant ProfessorHuazhen Liu
- Project Assistant ProfessorNurbolat Issatayev
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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: “Electrode Coater” RudolfSimon / CC BY 3.0 (cropped)
- Electrode materials using manganese and oxygen: “Manganese(II)-oxide-xtal-3D-SF” CCoil (talk) / CC BY-SA 3.0 (cropped)
- Rock-salt materials capable of fast charging and discharging: “Lithium-Ion Cell cylindric” RudolfSimon / CC BY-SA 3.0 (cropped)
- Battery materials using sodium: “Na (Sodium)” The original uploader was Dnn87 at English Wikipedia. / CC BY-SA 3.0 (cropped)
- Aqueous batteries using nonflammable water: “Coin-cells” Gerhard H Wrodnigg / CC BY-SA 2.5 (cropped)
- Related lab (Soft Matter Ionics Materials Lab): “Ionic Liquid ( )” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (Advanced Ceramics Lab): “Diamond blades for cutting advanced ceramic materials” Vijesh Gogia / CC BY 4.0 (cropped)
- Related lab (Electrochemistry Lab): “Anker AstroMini (2nd Gen, 79AN7913S) - Li-Ion battery-6200” Raimond Spekking / CC BY-SA 4.0 (cropped)
- Related lab (Takagaki Lab): “Plastic waste” Ka23 13 / CC BY-SA 4.0 (cropped)
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