Hydrogen Diffusion Database (HDD.B) v1.0.2

This Zenodo record publishes the initial public release of the Hydrogen Diffusion Database (HDD.B) v1.0.2. The dataset aggregates peer‑reviewed, open‑access diffusion coefficients, grouped and standardized for comparison and visualization in the companion web explorer. This release was created to validate that the Boellinghaus (1995) scatter band remains accurate and to support validation of diffusion coefficients used in my PhD‑thesis and simulation work. The database is intended as a curated, reusable foundation for research, teaching, and engineering analysis. You can explore, filter, plot, and export the data in the browser at:https://czeskleba.com/hydrogen-diffusion-database/ If you use the dataset, please cite this Zenodo record. If you use the diffusion coefficient analysis / scatter band, please cite the associated thesis (to be added). Optional links Simulation / project: GitHub Repo Thesis / paper: To be added in a future release Individual references and sourcing are included in the database itself. Versioning notev1.0.2 is an early public release during active development. A later v1.1.0 is planned after additional external curation.