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Power Electronics (S) Lab
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The lab aims to transform power equipment and EVs with solid insulating materials that do not conduct electricity.
AboutAbout the lab
Solid insulating materials for a carbon-neutral society.
The Kurimoto Lab studies solid insulating materials, which do not conduct electricity, and the technology related to them.
With the realization of a carbon-neutral society in mind, the lab aims to contribute to energy saving and higher efficiency in mobility, power, and the environment.
The lab handles nanocomposite insulating materials, whose dielectric strength is raised by adding nano-sized particles, from design through synthesis and fabrication to performance evaluation.
Recently, the lab has also incorporated information science (informatics) to develop materials with even higher dielectric strength.
Key terms
- Dielectric strength
- The highest voltage an insulator can withstand without breaking down
- Nanocomposite insulating material
- An insulating material whose performance is improved by mixing in fine, nano-sized particles
- Power semiconductor module
- A component that combines power semiconductor devices for power conversion with wiring and insulators into a single unit
NewsLab news
A student received the IEEE DEIS Japan Chapter Student Best Paper Presentation Award
A master's student received an Outstanding Presentation Award at the Symposium on Electrical and Electronic Insulating Materials and Systems
A master's student received the Young Researcher English Oral Presentation Award
A paper by a doctoral student was published in Electroactive Polymer Actuators and Devices XXVI
A paper co-authored by Associate Professor Kurimoto was published in IEEJ Transactions on Fundamentals and Materials (Transactions A)
ResearchResearch themes
With a carbon-neutral society in mind, the lab studies solid insulating materials and related technology that contribute to energy saving and higher efficiency in mobility, power, and the environment. By controlling structures from the nano to the macro scale, it creates new phenomena and materials, aiming to break through the limits of existing insulators.
*Illustrative imageHigh-Voltage Power Semiconductor Modules
Next-generation EVs and the power networks that efficiently deliver offshore wind power require power semiconductor modules that are highly reliable and low-loss. Because SiC and GaN devices operate under high electric fields, the lab studies solid insulating materials that raise the dielectric strength of the insulators encapsulating the devices.
*Illustrative imageNanocomposite Insulating Materials
The lab has succeeded in raising dielectric strength by adding particles about the size of a coronavirus to solid insulating materials. Adding information science to the three pillars of design through theory and numerical calculation, synthesis and fabrication, and performance evaluation, the lab is developing materials with even higher dielectric strength.
MembersFaculty
The members of the Kurimoto Lab consist of faculty, researchers, secretaries, doctoral and master's students, research students, and visiting students from other universities.As of 2026
- Associate ProfessorMuneaki Kurimoto
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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: “Electric insulators on top of a transformer (2)” High Contrast / CC BY 3.0 de (cropped)
- High-Voltage Power Semiconductor Modules: “Power electronics packaging ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
- Nanocomposite Insulating Materials: “Polymer–Salt Composite Under the Microscope” Aiym Maksatkyzy / CC BY-SA 4.0 (cropped)
- Related lab (Power Electronics Lab): “Circuit Board 2015” Jguarin / CC BY-SA 4.0 (cropped)
- Related lab (Energy Systems Engineering Lab): “Wind turbine and solar farm - geograph.org.uk - 4378069” Martin Pearman / CC BY-SA 2.0 (cropped)
- Related lab (Advanced Device Lab): “Wafer” Santi / CC BY-SA 2.0 (cropped)
- Related lab (Functional Integrated Devices Lab): “Wafer - 4” Windell Oskay / CC BY 2.0 (cropped)
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