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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Radiation-induced synthesis of nanoscale Co- and Ni-based electro-catalysts on carbon for the oxygen reduction reaction
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Radiation-induced synthesis of nanoscale Co- and Ni-based electro-catalysts on carbon for the oxygen reduction reaction

机译：辐射诱导的纳米级CO-和Ni基电催化剂的合成氧还原反应的碳

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摘要

A facile synthesis of 3d-metal based electro-catalysts directly incorporated into a carbon support was carried out by.-radiation. Transition metals of period 4, i.e. Ni and Co, were precipitated and reduced from their respective salt solutions. The obtained materials were characterized by XRD, SEM, SQUID and the BET methods. Thereafter, the electrodes for fuel cells were fabricated out of synthesized material and their electrochemical performance for the oxygen reduction reaction in 6 M KOH was measured. Although the concentrations of Co and Ni in the electrode material were low (3.4% Co and 0.4% Ni) after reduction by irradiation, both the Ni and Co-based gas diffusion electrodes showed high catalytic activity for oxygen reduction both at room temperature and at 60 degrees C.
机译：通过辐射进行直接掺入碳载体中的3D金属基电催化剂的容易合成。 期间4的过渡金属，即Ni和Co，从各自的盐溶液中沉淀并降低。 通过XRD，SEM，鱿鱼和BET方法表征所得材料。 此后，用合成的材料制成燃料电池的电极，并测量其6M KOH中的氧还原反应的电化学性能。 尽管通过照射还原后，电极材料中的CO和Ni的浓度低（3.4％CO和0.4％NI），但Ni和Co-碱性气体扩散电极都显示出在室温下的氧气减少的高催化活性。 60℃

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