Code and data for "Two competing ageing channels of lithium iron phosphate cathodesntitled Item

The code implements the electrode microstructure</p><p dir="ltr">reconstruction, the coupled two-channel degradation simulator (interphase</p><p dir="ltr">growth + contact-fatigue percolation), the physics-guided graph-transformer</p><p dir="ltr">network, and the Severson et al. external-validation pipeline.

The data</p><p dir="ltr">archive contains the numeric values of the scaling relations, the per-model</p><p dir="ltr">metrics and distribution-shift results, the Severson validation results, and</p><p dir="ltr">the per-figure source data (CSV) that reproduce Figures 1-7 and Supplementary</p><p dir="ltr">Fig. 1. Random seeds are fixed throughout for reproducibility.</p>