Fig. 5: Strain engineering and its applications.
From: Recent progress in palladium-nonmetal nanostructure development for fuel cell applications
a Crystal models showing the lattice expansion of Pd after H-implantation. TEM images of b Pd icosahedra and c Pd-H icosahedra. d ORR polarization curves. e ORR polarization curves of Pd–H tested after 5 months. f Volcano plot of the relationship between the calculated ΔGOH and limiting potential. Adapted with permission from ref. 38. Copyright © 2020 Chinese Chemical Society. g TEM image of PdBP alloy. h XRD patterns of Pd, PdB, and PdBP. Adapted with permission from ref. 72. Copyright © 2020 American Chemical Society.
