Group Members
MANDAI, Toshihiko (万代 俊彦)
Group Leader, Frontier Battery Materials Group, Battery and Cell Materials Field, Research Center for Energy and Environmental Materials (GREEN)
SAMURAI
E-mail: MANDAI.Toshihiko
nims.go.jp
Research field electrochemistry, solution chemistry, structural chemistry, organic synthesis
Research outline
We are developing electrolyte and electrode materials to realize elemental strategic batteries utilizing ubiquitous elements such as Mg, Ca, and Na. We aim to create innovative new materials those will bring about breakthroughs in the existing battery technologies by integrating knowledges of electro-, solution, structural chemistry and synthesis technologies.
Research interests
multivalent metal battery, sodium-ion battery, organic electrolyte, metallic materials, nano materials
IIMURA, Reona (飯村 玲於奈)
Researcher, Frontier Battery Materials Group, Battery and Cell Materials Field, Research Center for Energy and Environmental Materials (GREEN)
SAMURAI
E-mail: IIMURA.Reonanims.go.jp
Research field materials chemistry, solid-state chemistry, electrochemistry
Research outline
My research focuses on the development of multivalent metal batteries employing Mg and Ca as negative electrodes, with particular emphasis on the design of positive electrode materials and their interfacial engineering—key challenges in this field. Grounded in solid-state and structural chemistry, I seek to achieve a fundamental understanding of ion transport and structural evolution both within materials and at their interfaces. By precisely controlling these processes, my work aims to create high-performance materials and contribute to the advancement of next-generation energy storage technologies.
Research interests
multivalent metal batteries, inorganic material synthesis, crystal structure analysis, nanomaterials
KOBAYASHI, Ayana (小林 彩菜)
NIMS Junior Researcher (PhD student, Yokohama National University), Frontier Battery Materials Group, Battery and Cell Materials Field, Research Center for Energy and Environmental Materials (GREEN)
SAMURAI
E-mail: KOBAYASHI.Ayananims.go.jp
Research field electrochemistry, solution chemistry
Research outline
We are exploring new electrolytes for multivalent metal batteries utilizing Mg, which is inexpensive and safe. Our goal is to design and develop electrolyte salts suitable for Mg metal negative electrodes, and to reveal factors that control electrochemical properties through comprehensive analysis of molecular structures, solution structures, and physicochemical properties.
Research interests
electrolyte, multivalent metal batteries, solution chemistry
Alumni
SETIAWAN, Dedy (セティアワン デディ)
Affiliation period: August 2024 – February 2026
Next affiliation: Umicore Battery Materials Korea
FALYOUNA, Omar (ファリオウナ オマー)
Affiliation period: April 2023 – November 2025
Next affiliation: Institute of Industrial Science, The University of Tokyo
ENOMOTO, Hikaru (榎本 光)
Affiliation period: April 2024 – March 2026
Next affiliation: Seikei University