Hollow nanostructures with controlled internal voids: Beyond simple surface area maximization of the electrocatalyst

Special Topic: Hollow Multishelled Structure

Open Access

Review

Figure 4

(a, b) Scanning electron microscopy (SEM) and HR-TEM images of CD@Mo₂C-3. (c, d) Elemental mapping of Mo and C for CD@Mo₂C-3. (e, f) Polarization curves and corresponding Tafel slops of CD@Mo₂C catalysts. (g) Nyquist plots at −1.17 V (vs. SCE). (h) A bar diagram of ECSA for the series of CD@Mo₂C nanoreactors. (i–k) H⁺ concentration around Mo₂C and CD@Mo₂C nanoreactor. (l–n) H₂ concentration around Mo₂C and CD@Mo₂C nanoreactor. (o–q) Surface pressure fields for Mo₂C and CD@Mo₂C nanoreactor. Adapted from Ref. [21]. Copyright 2024, Elsevier.

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