Figure 2 (IMAGE)
Caption
Physical map linking hydrogen storage capacity and equilibrium pressure. Atomic mass and lattice geometry help explain capacity, while resistance to lattice deformation influences equilibrium pressure. The green box highlights descriptors particularly relevant to interstitial hydrides. The magenta box links electronegativity, thermal conductivity and elastic stiffness, suggesting a physical basis for the capacity-pressure trade-off. Blue and red arrows indicate negative and positive contributions; black arrows indicate geometrical matching.
Credit
Seong-Hoon Jang et al.
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