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![Stable and efficient seawater splitting on a porous phosphate-intercalated NiFe (oxy)hydroxide@NiMoO<sub>4</sub> core-shell micropillar electrode](https://image.oaes.cc/fddd185c-4b7d-437a-9d89-d356f21f5c84/4422.fig.1.jpg)
Figure 1. Scanning electron microscopy images of (A) a cross section of P-FeNiMoO and (B) P-NiFe@NiMoO4 electrode. (C-E) Transmission electron microscopy and high-resolution transmission electron microscopy images of P-NiFe@NiMoO4 scraped from nickel foam. (F) Elemental mapping images of P-NiFe@NiMoO4.