Fig. 1: Schematic illustration.
From: Locking interstitial hydrogen atoms in Pd metallenes for efficient oxygen reduction reaction
a Phase diagram of Pd-Mn alloys. The data is obtained from: Okamoto, H., Schlesinger, M. E. & Mueller, E. M. ASM Handbook, Volume 3: Binary Alloy Phase Diagrams (ASM International, 2016). b The calculated formation enthalpies of and with different reference ground-states. The inset shows the simulation model of Pd9Mn1H3. c Schematic illustration for the structure evolution of PdMnHx and PdHx under ORR conditions. Source data are provided as a Source Data file.
