Fig. 1: Schematic illustration of the synthesis procedure of different materials. | Nature Communications

Fig. 1: Schematic illustration of the synthesis procedure of different materials.

From: Ten thousand hour stable zinc air batteries via Fe and W dual atom sites

Fig. 1: Schematic illustration of the synthesis procedure of different materials.

a Tungsten carbide nanoparticles-carbon black catalyst (WC-C) and single-atom tungsten catalyst (W-N-C) obtained by stripping W atoms from tungsten carbide milling balls. b 3d-5d hybrid diatomic M,W-N-C catalysts (M = Fe/Co/Ni) obtained by co-introducing exogenous N-containing complex and 3 d metal-containing complex into the raw materials.

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