Fig. 2: Schematic of the process for constructing the Cu PTFE/Ni–Ni4 composite catalysts. | Nature Communications

Fig. 2: Schematic of the process for constructing the Cu PTFE/Ni–Ni4 composite catalysts.

From: Acidic media enables oxygen-tolerant electrosynthesis of multicarbon products from simulated flue gas

Fig. 2

Cu PTFE is fabricated by sputtering 200 nm of Cu onto a porous hydrophobic PTFE substrate. A layer of Ni–N4 catalyst is then spray coated onto the Cu PTFE to yield Cu PTFE/Ni–Ni4-1. Cu PTFE/Ni–Ni4-2 is made by sputtering 5 nm of Cu, followed by spraying another layer of Ni–N4 catalyst. This step is repeated another time to obtain the final Cu PTFE/Ni–Ni4 composite catalyst.

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