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Process Systems Engineering Lab
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A lab that explores the phenomena inside batteries and electrochemical systems through measurement and computation.
AboutAbout the lab
Revealing the phenomena inside batteries through measurement and computation.
With next-generation vehicles and future energy management systems in mind, the Process Systems Engineering Lab studies batteries and electrochemical systems.
The lab looks across scales, from nanoscale material interfaces to real operating environments, to clarify the reactions and mass transport occurring inside and the factors that govern them.
Its subjects include lithium-ion batteries, polymer electrolyte fuel cells, all-solid-state batteries, and air batteries.
The lab combines measurement of real materials, the actual complex three-dimensional structures, integration of measurement and computation, construction of theoretical models, and support for optimal design.
Key terms
- Polymer electrolyte fuel cell
- Polymer electrolyte fuel cell: a type of fuel cell that generates electricity from hydrogen and oxygen. As a power source for vehicles, it needs higher efficiency and lower cost.
- Catalyst layer
- Catalyst layer: a layer in a fuel cell electrode. It consists of carbon black, electrolyte, and pores, and carries electrons, protons, and reactant gases.
- FIB-SEM
- FIB-SEM: a focused ion beam scanning electron microscope. It is one of the advanced measurement instruments that reveal the actual microstructure of electrodes.
NewsLab news
A master's student receives an Excellent Poster Award at the 57th Autumn Meeting of the Society of Chemical Engineers, Japan
A doctoral student receives a Poster Award at the Gordon Research Conference on Fuel Cells 2026
A master's student receives an Excellent Poster Award at the 63rd Joint Kyushu Convention of the Chemical Societies' Branches
A master's student receives an Excellent Poster Award at the 36th Kyushu Region Young Chemical Engineers Discussion Meeting
A master's student receives an Excellent Poster Award at the Hydrogen and Fuel Cell Symposium
ResearchResearch themes
This lab studies batteries and electrochemical systems, looking across scales from nanoscale material interfaces to real operating environments. It clarifies the reactions and mass transport occurring inside them and the factors that govern them, and works on proposing guidelines and improving technologies for higher performance.
*Illustrative imageDesigning the catalyst layer of fuel cells
To raise the output of polymer electrolyte fuel cells, the lab focuses on the microstructure of the electrode catalyst layer. It examines the actual structure with advanced measurement instruments and verifies the effect of the structure through simulations that combine reactions and mass transport.
Lithium-ion batteries and next-generation batteries
The lab measures actual electrode structures and investigates the phenomena inside batteries through simulations of reactions and mass transport. It also works on automatic design of electrode structures using machine learning, and on the structural design of all-solid-state batteries, air batteries, and others.
*Illustrative imageOther studies of porous materials and mass transfer
The lab extends to other fields its analysis of the porous structures studied in batteries, its simulations combining electrochemical reactions and mass transport, and its measurement and evaluation techniques such as FIB-SEM and X-ray CT. Examples include various separation membranes, other electrochemical devices, and catalytic reactors.
MembersFaculty
The members of the Process Systems Engineering Lab consist of faculty, academic researchers, doctoral, master's, and undergraduate students, technical staff, and administrative staff.As of 2026
- ProfessorGen Inoue
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: “KSC-06pd0004 - Technicians working on fuel cell in OPF” Kim Shiflett / Public domain (cropped)
- Designing the catalyst layer of fuel cells: “Toyota Mirai fuel cell stack SAO” Mariordo (Mario Roberto Durán Ortiz) / CC BY-SA 4.0 (cropped)
- Other studies of porous materials and mass transfer: “Porous Geopolymer Structure” Eva Santini, Michela E. Pedretti, Giovanna Canu, CNR-ICMATE / CC BY 4.0 (cropped)
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