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Energy Reaction and Transport Lab
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This lab explores the reactions and transport that take place inside fuel cells and flow batteries.
AboutAbout the lab
Uncovering the phenomena that occur inside batteries
The Energy Reaction and Transport Lab studies how to improve the performance of next-generation energy conversion devices such as fuel cells and flow batteries.
The lab works consistently from fabricating materials through to evaluating and analyzing device performance.
By clarifying the reaction and transport phenomena that occur in each process, the lab pursues the theoretical upper limit of performance.
On the lab's website, it is introduced under the name "Tsushima Lab."
Key terms
- Polymer electrolyte fuel cell
- A cell that generates electricity when supplied with hydrogen and air. It has excellent energy conversion efficiency.
- Redox flow battery
- A battery that charges and discharges through reactions of ions in the electrolyte. It is attracting attention as a large-scale power storage device.
- Porous electrode
- An electrode with a porous structure (one with many gaps) that provides the site where electrochemical reactions proceed. It determines the performance of fuel cells and flow batteries.
ResearchResearch themes
The lab aims to clarify the reaction and transport phenomena inside fuel cells and flow batteries, and to identify and solve the essential challenges. In addition to fabricating and evaluating battery materials and devices, it develops measurement techniques and simulation methods for investigating their interior.
*Illustrative imageElucidating and Controlling the Electrode Structure of Fuel Cells
In polymer electrolyte fuel cells, the lab investigates how the structure of porous electrodes, which promotes the transport of reaction products, is formed, with the aim of controlling it. It works consistently from materials creation to performance evaluation and analysis, and also participates in national projects.
*Illustrative imageImproving the Performance of Redox Flow Batteries
Toward the large-scale introduction of renewable energy, the lab works to improve the performance of redox flow batteries. In addition to fabricating porous electrodes, it investigates optimal structures that integrate electrodes and flow channels.
*Illustrative imageMeasurement and Analysis Techniques for Investigating the Inside of Batteries
Targeting the reaction and transport fields in fuel cells and redox flow batteries, the lab covers everything from the formation process of electrode structures to the visualization of internal states during power generation and the separation analysis of loss factors. It independently develops measurement methods using X-ray microscopy and microdevices.
Reactive Flow Simulation in Complex Geometries
The lab develops analysis methods for investigating how reactions and flows are distributed inside batteries with porous structures. By coupling gas and liquid flow, the transport of chemical species including ions, and electrochemical reactions, it handles scales from the macroscale to the microscale, where individual pores are resolved.
MembersFaculty
The members of Tsushima Lab are faculty members, doctoral, master's, and undergraduate students, and administrative assistants.As of 2022
- ProfessorShohji Tsushima
- LecturerTakahiro Suzuki
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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: “Redox Flow Battery English” Nick B, benboy00 / CC BY-SA 3.0 (cropped)
- Elucidating and Controlling the Electrode Structure of Fuel Cells: “Fuel cell NASA p48600ac” 作者不詳 / Public domain (cropped)
- Improving the Performance of Redox Flow Batteries: “Vanadium Redox flow battery” Radiotrefoil / CC BY-SA 4.0 (cropped)
- Measurement and Analysis Techniques for Investigating the Inside of Batteries: “X-ray Computed Tomography of Astromaterials -- jsc2024e076997” NASA Johnson Space Center / ROBERT MARKOWITZ NASA-JSC / Public domain (cropped)
- Related lab (Plasma Engineering Lab [Joining and Welding Research Institute]): “US Air Force (USAF) Technical Sergeant (TSGT) Jeffrey Wright, Aircraft Metal Technician, 52nd Equipment Maintenance Squadron (EMS), uses plasma arc cutting torch to destroy a 30mm g - DPLA - 08156ad581284cc3e5ed4337a5cb0c55” Department of Defense. American Forces Information Service. Defense Visual Information Center. 1994 / Public domain (cropped)
- Related lab (Mechanical Information System Control Lab): “Controlling robots ESA376864” European Space Agency / CC BY-SA 3.0 igo (cropped)
- Related lab (Advanced Hard Materials Lab [Institute of Scientific and Industrial Research]): “Advanced ceramics” Eng7oda14 / CC BY-SA 3.0 (cropped)
- Related lab (Energy Conversion Mechanisms Lab [Joining and Welding Research Institute]): “Plasma spraying process” Student-julia-pwr / CC BY-SA 4.0 (cropped)
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