MoS2纳米片上酸性介质中的HER：从基础到合成以及最新进展,Sustainable Energy & Fuels

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MoS2纳米片上酸性介质中的HER：从基础到合成以及最新进展
Sustainable Energy & Fuels ( IF 5.0 ) Pub Date : 2021-3-16 , DOI: 10.1039/d0se01683g
Sriram Mansingh _{1,

2,

3,

4} , Kundan Kumar Das _{1,

2,

3,

4} , Kulamani Parida _{1,

2,

3,

4}

Affiliation

可持续和环保能源的产生是现代文明的生命线。使用廉价，非贵金属和环保材料进行电催化水分解生产分子氢是一种有前途且可持续的方法，可以最大程度地减少对化石燃料的依赖和社会的碳足迹。然而，在构建商业化电化学HER系统的过程中，存在一些主要障碍，例如复杂的反应路径/缓慢的反应，高电势，低的催化剂耐久性，有限的法拉第效率和昂贵的催化剂（Pt，Ir和Ru）。迫切需要制造经济可行的非贵金属HER电催化剂。除了广泛使用2D金属硫属化物，特别是MoS ₂，这种层状电催化剂在光栅酸性条件下显示出对氢释放反应的强大催化性能。但是，其催化效率仍然不如标准催化剂（Pt）。因此，通过本期Mini综述，我们尝试涵盖MoS ₂电催化剂的基本原理，潜在的催化机制，活性评估参数，未来机会以及相关挑战，并采用先进的策略来克服这些缺点。此外，不同的边缘和基面修改策略，已开发的各种MoS ₂制备技术以及MoS _2的特征优势还简要讨论了针对HER的纳米片。此外，该综述全面收集了有关用于HER应用的分层MoS ₂的最新开创性研究成果，特别是在酸性电解液中。随附的最先进的MoS ₂催化性能，合成程序和先进的改性方法将作为指导工具来相应地调整其他材料，以实现基准活性，并实现在环境中实现H ₂燃料商业化的梦想可持续的方式，即通过基于非贵金属的HER电催化。

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HERs in an acidic medium over MoS2 nanosheets: from fundamentals to synthesis and the recent progress

The generation of sustainable and eco-friendly energy is the lifeline of modern civilization. Electrocatalytic water splitting producing molecular hydrogen using inexpensive, non-noble metal, and eco-friendly materials is a promising and sustainable approach that can minimize the dependency on fossil fuels and the carbon footprint of society. However, there are some major obstacles such as complex/sluggish reaction pathway, high overpotential, low catalyst durability, limited faradic efficiency and pricey catalyst (Pt, Ir, and Ru) in the process of constructing commercial electrochemical HER systems, and hence, there is an immediate need for fabricating a cost-viable non-precious HER electrocatalyst. In addition to the widespread use of 2D metal chalcogenides, in particular MoS₂, this layered electrocatalyst shows robust catalytic performance towards hydrogen evolution reactions under grating acidic conditions. However, its catalytic efficiency is still inferior to that of the standard catalyst (Pt). Thus, through this Mini review, we try to cover the fundamentals, underlying catalytic mechanism, activity evaluating parameters, future opportunities, and associated challenges with MoS₂ electrocatalysts and adopted advanced strategies for subduing the shortcomings. Furthermore, different edge and basal plane modification strategies, various developed MoS₂ preparation techniques, and characteristic advantages of MoS₂ nanosheets towards HERs are also briefly discussed. Additionally, the review provides a comprehensive collection of the latest pioneering research outcomes on layered MoS₂ for HER applications, particularly in acidic electrolytes. The included state-of-the-art MoS₂ catalytic performance, synthesis procedure, and advanced modification methods will act as a guiding tool to tune other materials accordingly to achieve the benchmark activity and turn the dream of H₂-fuel commercialization in an environmentally sustainable manner, i.e. by non-noble metal-based HER electrocatalysis.

更新日期：2021-03-16

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