Ir-IrO2 코어-쉘 구조 OER 촉매의 활성도-내구도 복합 우수성과 그 평가 지표에 관한 연구

2

Iridium oxide Black Synthesis Via Electrochemical Etching Process for Oxygen Evolution Reaction

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Highly active coral-like porous silver for electrochemical reduction of CO2 to CO

2

Corrosion behavior of VCrFeCoNi medium-entropy alloy in chloride solution

The present work investigates the corrosion properties and passivation layer of VCrFeCoNi medium-entropy alloy (V-MEA). The V-MEA exhibits the corrosion current density of ∼0.101 μA and corrosion potential of ∼ -0.336 V with a broad passivation region of ∼0.763 V from the potentiodynamic polarization measurement. The V-MEA shows the multilayer passivation with vanadium oxides-rich outer layer and chromium oxide-rich inner layer. The outer layer as a cation-selective layer defeats Cl− ions and the inner layer as an anion-selective species captures the Cl− ions. Resultantly, fewer Cl− ions can go through the passivation layer, leading to the broad passivation region of V-MEA