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Clean Energy Conversion Lab
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A lab that studies heat and flow inside fuel cells and batteries.

AboutAbout the lab
Exploring the inside of batteries from the perspective of heat and flow.
The Clean Energy Conversion Lab takes on research themes in a wide range of fields, building on thermal and fluid phenomena.
Recently, the lab has been focusing on research into "electrochemical energy devices," which convert between electrical energy and chemical energy.
Its main role is to investigate, through visualization and simulation, how heat, fluid, and mass are transported inside these devices.
The development of reaction catalysts proceeds with insights gained from joint research with other labs within the university, companies, and research institutes.
Key terms
- Electrochemical energy device
- A device that converts between electrical energy and chemical energy. Examples include secondary batteries, fuel cells, and water electrolysis cells
- Fuel cell
- A device that extracts electricity from chemical energy, such as that of hydrogen
- Water electrolysis cell
- A device that converts electrical energy into chemical energy, such as hydrogen
ResearchResearch themes
Building on thermofluid phenomena, the lab takes on research themes in a wide range of fields. Recently, against the backdrop of energy and environmental issues, it has been focusing on electrochemical energy devices. Electrochemical energy devices include secondary batteries that store electricity through the movement of lithium ions or hydroxide ions, fuel cells that extract electricity from chemical energy, and water electrolysis cells that convert electrical energy into hydrogen and other products.
View More ↗MembersFaculty
The members of the Clean Energy Conversion Lab consist of faculty members, master's students, and undergraduate students.As of 2026
- ProfessorTakuto Araki
- IAS Assistant ProfessorKunpeng Li
VoicesStudent voices
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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: “Toyota, IAA 2024, Hanover (P1200042)” Matti Blume / CC BY-SA 4.0 (cropped)
- Transport of Heat, Fluid, and Mass Inside Devices: “Heat-transmittance-means2” Kmecfiunit, cmglee / CC BY-SA 4.0 (cropped)
- Related lab (Applied Solid Mechanics Lab): “Friction-Driven Encoder Test (encoder 04-CC)” International Gemini Observatory/NOIRLab/NSF/AURA / CC BY 4.0 (cropped)
- Related lab (Fluid Production Systems Lab): “Shear Flow Vortices” KarlGaff / CC BY 4.0 (cropped)
- Related lab (Fluid Engineering Lab): “MDH turbine pump top view” Adakiko / CC BY-SA 4.0 (cropped)
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