Microwave Assisted Synthesis of Osmium Electrocatalysts for the Oxygen Reduction Reaction in the Absence and Presence of Aqueous Methanol

EdgarBorja-Arco; OmarJiménez-Sandoval; JaimeEscalante-García; LorenaMagallón-Cacho; P. J.Sebastian

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Microwave Assisted Synthesis of Osmium Electrocatalysts for the Oxygen Reduction Reaction in the Absence and Presence of Aqueous Methanol

机译：微波辅助合成在无水甲醇存在下用于氧还原反应的Electro电催化剂

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Osmium electrocatalysts for the oxygen reduction reaction (ORR) were prepared by microwave irradiation ofOs3(CO)12at different experimental conditions. The materials obtained were structurally characterized by FT-IR, micro-Raman spectroscopy and X-ray diffraction. Their chemical compositions were obtained by EDS. The electrocatalytic properties for the oxygen reduction reaction were evaluated by rotating disk electrode measurements in 0.5 mol L−1H2SO4, in the absence and presence of aqueous methanol. The kinetic parameters, such as Tafel slope, exchange current density, and charge transfer coefficient are reported.

机译：在不同的实验条件下，通过微波辐照Os3（CO）12，制备了用于氧还原反应（ORR）的electro电催化剂。通过FT-IR，显微拉曼光谱和X射线衍射对得到的材料进行结构表征。它们的化学组成通过EDS获得。在不存在和存在甲醇水溶液的情况下，通过在0.5μmolL-1H2SO4中旋转盘电极测量来评估氧还原反应的电催化性能。报告了动力学参数，例如塔菲尔斜率，交换电流密度和电荷转移系数。

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《International Journal of Electrochemistry》 |2011年第2期|共8页
作者
EdgarBorja-Arco; OmarJiménez-Sandoval; JaimeEscalante-García; LorenaMagallón-Cacho; P. J.Sebastian;
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3. A microwave-assisted synthesis of CoO@Co core-shell structures coupled with N-doped reduced graphene oxide used as a superior multi-functional electrocatalyst for hydrogen evolution, oxygen reduction and oxygen evolution reactions [J] . Liu X. X., Zang J. B., Chen L., Journal of Materials Chemistry, A. Materials for energy and sustainability . 2017,第12期

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Microwave Assisted Synthesis of Osmium Electrocatalysts for the Oxygen Reduction Reaction in the Absence and Presence of Aqueous Methanol

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