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One-step hydrothermal synthesis of MoNiCoS nanocomposite hybridized with graphene oxide as a high-performance nanocatalyst toward methanol oxidation
Chemical Physics Letters ( IF 2.8 ) Pub Date : 2018-05-26 , DOI: 10.1016/j.cplett.2018.05.066
Mohammad Bagher Askari , Majid Seifi , Seyed Mohammad Rozati , Amirkhosro Beheshti-Marnani , Mohammad Hassan Ramezan zadeh

A carbon based nanocatalyst in the form of graphene hybridized MoNiCoS (MoNiCoS /Go) was synthesized in a single step hydrothermal method for methanol oxidation in a direct methanol fuel cell, as a substitution for expensive and rare platinum. The results obtained from methanol oxidation over the graphene hybridized MoNiCoS modified electrode revealed suitable electrocatalytic properties and a considerable diffusion current, confirmed by the Tafel plots through calculating the exchange current (io) as an important kinetic parameter of electron transfer. It was found that the above composite could be an appropriate alternative in designing a DMFC fuel cell as a clean energy generator.



中文翻译:

一步法水热合成MoNiCoS纳米复合材料与氧化石墨烯混合作为甲醇氧化的高性能纳米催化剂

以一步法水热法合成了石墨烯杂化的MoNiCoS(MoNiCoS / Go)形式的碳基纳米催化剂,用于直接甲醇燃料电池中的甲醇氧化,以替代昂贵且稀有的铂。通过石墨烯杂化的MoNiCoS修饰电极上的甲醇氧化获得的结果显示出合适的电催化性能和相当大的扩散电流,通过计算交换电流(i o)作为电子转移的重要动力学参数,通过Tafel曲线证实了这一点。发现上述复合材料可以作为设计DMFC燃料电池作为清洁能源产生器的合适替代品。

更新日期:2018-05-27
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