Research

In battery systems, including the individual materials and their intricate interfaces, it is critical to understand the dynamic interplay between mechanical behaviors and electrochemical phenomena. This fundamental relationship is known as mechano-electrochemical behavior. Our goal is to gain a deeper, comprehensive understanding of how mechanical behavior changes directly influence electrochemical performance, and vice-versa.

Conventional manufacturing processes can introduce various structural defects in solid-state batteries, significantly hindering their large-scale industrial implementation. Our research aims to innovate these manufacturing processes by establishing a fundamental understanding of the mechano-electrochemical coupling within battery materials. By integrating the analysis of mechanical behaviors with electrochemical performance, we develop robust manufacturing solutions that minimize defects and accelerate the commercialization of next-generation solid-state batteries.

Differential Electrochemical Mass Spectrometry (DEMS) is a versatile and powerful tool for the in situ analysis of gas evolution in electrochemical cells. Using this precise technique, we can selectively detect and quantify a wide array of gas species generated during operation. This provides time-resolved data on specific faradaic and non-faradaic processes, enabling deep insights into electrolyte decomposition, interfacial instability, and overall battery degradation mechanisms—all without destroying the cells. We aim to elucidate these mechanisms in next-generation batteries through these techniques, thereby pioneering the technology to accelerate the widespread adoption of next-generation batteries.