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ASSB Lab

Open Research Tools for All-Solid-State Batteries & Materials Science

We develop research software and computational tools to accelerate the understanding and development of all-solid-state batteries and functional materials.

全固体電池や機能性材料の研究を支援する、解析・計算・可視化ツールを開発・公開しています。

Official Website

Research Areas

  • All-Solid-State Batteries — Solid electrolytes, lithium alloy anodes, and electrode–electrolyte interfaces.
  • Crystal Chemistry — Crystal structures, coordination environments, ionic transport pathways, and structure–property relationships.
  • Electronic Structure & Interfaces — Energy-level alignment, photoelectron spectroscopy, and interfacial stability.
  • Computational Materials Science — Thermodynamic modeling, numerical simulation, data analysis, and scientific visualization.

Featured Projects

Project Description
Crystal Site Matcher Crystal-site analysis, ionic substitution, and ion-transport descriptors.
Materials Thermodynamics Lab Interactive phase diagrams and electrochemical stability analysis.
Li-Mg Diffusion Simulator Numerical simulation of lithium diffusion in Li-Mg alloy anodes.
UPS-LEIPS Analyzer Photoelectron spectroscopy analysis and energy-level visualization.
Band Alignment Simulator Electrostatic modeling and band alignment in multilayer systems.

Open Science & Development

We build tools that connect experimental observations with physical models and computational analysis.

Our repositories include interactive web applications, scientific simulators, analysis utilities, and experimental research software. Some projects are under active development.

See individual repositories for documentation, source code, and license information.


ASSB Lab · GitHub Repositories · Official Website

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  1. ups-leips-analyzer ups-leips-analyzer Public

    Web-based UPS/LEIPS spectroscopy analyzer for VBM, secondary electron cutoff, ionization potential, electron affinity, and electronic band diagram analysis.

    TypeScript

  2. crystal-site-matcher crystal-site-matcher Public

    Web app for crystal site substitution screening and structural analysis using coordination geometry, ionic radii, bond valence, BVSE, and ion migration pathways.

    TypeScript

  3. materials-thermodynamics-lab materials-thermodynamics-lab Public

    Web app for pseudo-ternary phase diagrams, phase decomposition, reaction voltages, and electrochemical stability analysis using Materials Project data.

    TypeScript

  4. uv-vis-analyzer uv-vis-analyzer Public

    Igor Pro macro for UV–Vis diffuse reflectance analysis, Kubelka–Munk transformation, Tauc plots, and optical band gap estimation using linear fitting.

    IGOR Pro

  5. science-tokyo-design-skills science-tokyo-design-skills Public

    Unofficial Agent Skills for creating slides, documents, figures, and websites following the Science Tokyo design system. Compatible with Claude Code and Codex.

    HTML

Repositories

Showing 10 of 15 repositories

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