Method for preparing Ru-based/Pt skin film nano-film electrode for fuel cell
A fuel cell, nano-film technology, applied in battery electrodes, circuits, electrical components, etc., can solve the problems of inability to directly apply measurement and high Pt content
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[0023] Example 1
[0024] Preparation of a Ru-based / Pt skin nano-film working electrode
[0025] First, electroless gold plating on the reflective bottom surface of the semi-circular silicon column; a two-step wet method can be used to electrodeposit a 5-6 nanometer thick Ru film on the gold substrate; then the Pt layer is covered by the spontaneous replacement method on the Ru electrode, that is, the Ru film electrode Up to 0.005M CuSO 4 +0.1M H 2 SO 4 Cu was deposited in the solution at a 0.025V saturated calomel electrode under-potential for 180s, and then quickly added to 0.005M K 2 PtCl 4 +0.1MH 2 SO 4 Displace Pt in the solution and let it stand for 10 min to complete the displacement reaction.
[0026] PtRu binary nano-film electrodes with different Pt loadings can be obtained through different under-potential deposition Cu-displacement cycles.
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