Institute of Science Tokyo — Dept. of Chemical Science and Engineering

Ions in motion,
by design.

Exploring ion conductors for all-solid-state lithium and fluoride batteries through experiments and machine learning — from precise structural analysis with synchrotron X-rays and neutrons to GNN-based materials screening.

Explore Research Publications

KEYWORDS

All-solid-state Li batteries / Li⁺・F⁻・H⁻ conductors / Solid ionics / Materials informatics

Solid State Battery

Solid State Battery Experiment

BCNH Materials

Virtual Space

Periodic Elements

Seminar

JOIN US

Graduate Students Wanted!

If you have any interest in inorganic materials, solid-state chemistry, or batteries, you are welcome. Study sessions support students from different backgrounds — aim for international conferences and journals from your first year.

For Prospective Students →

Research Topics

RESEARCH

Lithium Ion Conductors

Lithium Ion Conductors

Design and precise structural analysis of superionic conductors for all-solid-state lithium-ion batteries

Fluoride Ion Conductors

Fluoride Ion Conductors

Exploration of new materials for high-energy-density fluoride-ion batteries

Hydride Ion Conductors

Hydride Ion Conductors

Creation of hydride ion conducting materials for next-generation electrochemical devices

Anion Intercalation

Anion Intercalation

Development of new electrode materials utilizing anion intercalation reactions

Machine Learning & Virtual Space

Machine Learning & Virtual Space

Building efficient materials discovery systems using machine learning and AI

High-Throughput Synthesis

High-Throughput Synthesis

Materials screening at over 10x conventional speed with automated synthesis and evaluation systems

PRINCIPAL INVESTIGATOR

Naoki Matsui

Associate Professor, Kanno-Suzuki-Matsui Lab

POSITION:Associate Professor

AFFILIATION:Dept. of Chemical Science and Engineering, School of Materials and Chemical Technology

DEGREE:Ph.D. in Engineering (2020)

EXPERTISE:Solid Ionics × Machine Learning

Contact

EMAIL

matsui.n.ee49[at]m.isct.ac.jp

LOCATION

Institute of Science Tokyo, Suzukakedai Campus, G1-914

SNS

News

2026.08.12

M2 Student Itakura's First-Author Paper Published in Small Structures

Unlocking high fluoride-ion conductivity in Bi-substituted PbSnF4. Congratulations!!

2026.03.25

Paper with Alumnus Ayu Published in J. Mater. Chem. A

Fast hydride-ion conduction in the complex hydride Ba2MgH6.

2026.08.28

Project Meeting @ Kyoto

2026.08.20

Visited Dr. Yoshida (Kyoto Univ.) and Dr. Motohashi (Osaka Metropolitan Univ.)

Fruitful discussions on materials design.

2026.08.06

Visited the Teshima Laboratory at Shinshu University

2026.07.30-08.04

Alumnus Ayu Visited for Collaboration

Now Lecturer at Universitas Indonesia. Glad to see they are doing well.