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An inclusive review on the synthesis of molybdenum carbide and its hybrids as catalyst for electrochemical water splitting
Molecular Catalysis ( IF 4.6 ) Pub Date : 2020-07-15 , DOI: 10.1016/j.mcat.2020.111116
Osama Rabi , Erum Pervaiz , Rubab Zahra , Maryum Ali , M. Bilal Khan Niazi

The world is using lot of fossil fuels due to increase in energy demand. This results in high production of CO2 which is the main reason for global warming and harmful for the environment. These issues have driven the scientists to develop environment friendly alternative energies to replace these harmful fuels. Hydrogen has become one of the most promising fuels which are environment friendly and sustainable. To produce this green and clean source of energy, electrochemical water splitting has become one of the most suitable routes. For the efficient hydrogen evolution reaction (HER) an active catalyst is required to achieve high conversion efficiency. Many catalysts have been reported in the literature for hydrogen production through different methods. But Molybdenum carbide (Mo2C) has attracted a lot of attention and attraction to produce hydrogen through HER due to its high surface activity and electrochemical properties. In this review, the recent research progress has been reported on the Mo2C for HER mechanism. Different methods for the synthesis of Mo2C and its hybrid has been discussed extensively, along with different strategies to modify the physicochemical properties of Mo2C and its hybrid. Furthermore, the application of Mo2C related to its activity, durability, activation, and deactivation mechanism of the catalyst are critically reviewed. It is concluded that by the addition of another component in Mo2C can enhance the activity of the catalyst and gives more conversion rate. Hence, it realizes that Mo2C certainly can be used as an alternative catalyst for hydrogen production via water splitting.



中文翻译:

碳化钼及其杂化物作为电化学水分解催化剂的合成研究

由于能源需求增加,世界上大量使用化石燃料。这导致产生大量的CO 2,这是全球变暖和对环境有害的主要原因。这些问题驱使科学家们开发出环境友好的替代能源来替代这些有害燃料。氢气已成为最环保,可持续发展的最有希望的燃料之一。为了生产这种绿色清洁的能源,电化学水分解已成为最合适的途径之一。为了有效的氢释放反应(HER),需要活性催化剂以实现高转化效率。在文献中已经报道了许多通过不同方法生产氢的催化剂。但是碳化钼(Mo 2C)由于其高的表面活性和电化学性能,已经引起了人们的广泛关注,并通过HER产生氢。在本综述中,已报道了用于HER机制的Mo 2 C的最新研究进展。广泛讨论了合成Mo 2 C及其杂化物的不同方法,以及改变Mo 2 C及其杂化物的理化性质的不同策略。此外,对与Mo 2 C的活性,耐久性,活化和失活机理有关的Mo 2 C的应用进行了严格的审查。结论是通过在Mo 2中添加另一种成分C可以增强催化剂的活性并提供更高的转化率。因此,认识到Mo 2 C当然可以用作通过水分解制氢的替代催化剂。

更新日期:2020-07-16
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