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Araki Lab
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The lab explores next-generation battery materials through the lenses of mechanics of materials and atomic-scale analysis.
AboutAbout the lab
Next-generation battery materials, seen through mechanics.
Araki Lab studies next-generation battery materials, focusing on the mechanical properties of ion-conducting ceramics and on how ions move.
The lab also works on the relationship between the structure and properties of solid electrolytes, and on applications to energy storage devices.
By clarifying the relationship between the structure and properties of materials, the lab aims to improve the performance of next-generation batteries and to develop guidelines for designing new materials.
The lab welcomes students who want to be involved in cutting-edge materials research and its applications from the perspective of mechanics of materials.
Key terms
- All-solid-state battery
- A battery in which the electrolyte that carries ions is a solid rather than a liquid
- Solid electrolyte
- A solid material that conducts ions. It is used in place of the liquid electrolyte in all-solid-state batteries
- Molecular dynamics
- A method that computes the motion of individual atoms and molecules on a computer to reproduce what happens inside a material
NewsLab news
View More ↗ResearchResearch themes
The lab aims to clarify the relationship between the structure and properties of next-generation energy materials and functional materials, and to contribute to the fields of energy, environment, and mobility. Focusing on materials for all-solid-state batteries, it analyzes crystal structure, ion diffusion, and response to force using molecular dynamics and first-principles calculations.
*Illustrative imageHow Applied Force Affects Ion Motion
Using first-principles calculations, the lab investigates at the atomic level how strain and stress affect the pathways ions travel through and how easily they move. It explores whether electrochemical properties can be controlled through mechanical stimuli.
*Illustrative imageMechanics and Phase Transitions of Perovskites
In perovskite-structured ceramics, whose crystal structure changes with temperature, the lab examines how grain size and porosity affect mechanical properties. Everything from sample preparation to measurement is carried out within the lab.
*Illustrative imageStructure and Properties Seen Through Molecular Dynamics
Using molecular dynamics simulations, the lab analyzes how the regularity of the crystal arrangement and changes at domain boundaries affect lithium-ion pathways and the deformation of materials under force.
*Illustrative imagePolymer-Ceramic Composite Electrolytes
To achieve both high ionic conductivity and mechanical stability, the lab develops electrolytes that combine polymers with oxide ceramics. The goal is a high-performance organic-based solid electrolyte for all-solid-state batteries.
MembersFaculty
Members of Araki Lab consist of faculty, doctoral, master's, and undergraduate students, and administrative staff.As of 2025
- ProfessorWakako ArakiPublications ↗
- Assistant ProfessorCheng-Ying LiuPublications ↗
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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: “Lithium-Ion Cell cylindric” RudolfSimon / CC BY-SA 3.0 (cropped)
- How Applied Force Affects Ion Motion: “Lithium-cobalt-oxide-3D-balls” Ben Mills / Public domain (cropped)
- Mechanics and Phase Transitions of Perovskites: “Perovskite-155026” Robert M. Lavinsky / CC BY-SA 3.0 (cropped)
- Structure and Properties Seen Through Molecular Dynamics: “Lithium-nitride-xtal-CM-3D-polyhedra” Ben Mills / Public domain (cropped)
- Polymer-Ceramic Composite Electrolytes: “Lithium-cobalt-oxide-3D-polyhedra” Ben Mills / Public domain (cropped)
- Related lab (Shinshi Lab): “Science show magnetic levitation” Roberto Arias from London, United Kingdom / CC BY 2.0 (cropped)
- Related lab (Ishida Lab): “Microfluidic chip for point-of-care medical devices” FMNLab / CC BY 4.0 (cropped)
- Related lab (Yamamoto Lab): “CSIRO ScienceImage 3567 Examining an agar dish for bacterial colonies as part of the bioremediation project” David McClenaghan, CSIRO / CC BY 3.0 (cropped)
- Related lab (Takayama Lab): “Worm drive ( )” Bernard Spragg. NZ from Christchurch, New Zealand / CC0 (cropped)
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