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Recent Development of Metallic (1T) Phase of Molybdenum Disulfide for Energy Conversion and Storage

机译：二硫化钼金属（1T）相的最新进展，用于能量转换和存储

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摘要

The development of a feasible and inexpensive strategy to obtain and utilize sustainable energy is an important issue for the sustainable development of human society. Over the past decade, significant progress has been made in the development of novel functional materials for energy conversion and storage. Owing to their unique physico-chemical properties, 2D layered materials, such as graphene and transition metal dichalcogenides, have attracted great interest in energy-related research. 1T-MoS2 is a metallic phase of molybdenum disulfide (MoS2) with extraordinary electronic conductivity, enlarged interlayer spacing, and more electrochemically active sites along the basal plane, which offers intriguing benefits for energy-related applications compared to its semiconducting counterpart (2H-MoS2). This review summarizes the preparation and structure-property relationships of 1T-MoS2, as well as the underlying relations between the metallic (1T) and semiconducting (2H) phases of MoS2. Recent progress in the preparation and stabilization of 1T-MoS2 materials and their applications for energy conversion and storage are discussed, including water splitting to form hydrogen via photo/electrocatalysis and electricity storage in lithium-ion batteries, sodium-ion batteries, magnesium-ion batteries, and supercapacitors. Optimization strategies of 1T-MoS2 to obtain enhanced practical properties based on theoretical calculations are also presented.
机译：制定一种获取和利用可持续能源的可行且廉价的战略是人类社会可持续发展的重要问题。在过去的十年中，在用于能量转换和存储的新型功能材料的开发方面取得了重大进展。由于其独特的物理化学性质，二维层状材料，例如石墨烯和过渡金属二卤化碳，在能源相关研究中引起了极大的兴趣。 1T-MoS2是二硫化钼（MoS2）的金属相，具有出色的电子导电性，更大的层间间距以及沿基面的更多电化学活性位点，与半导电的同类金属（2H-MoS2 ）。这篇综述总结了1T-MoS2的制备和结构-性质关系，以及MoS2的金属（1T）和半导体（2H）相之间的潜在关系。讨论了1T-MoS2材料的制备和稳定化及其在能量转换和存储中的最新进展，包括通过光/电催化将水分解成氢并在锂离子电池，钠离子电池，镁离子中存储电能电池和超级电容器。还提出了基于理论计算的1T-MoS2以获得增强的实用性能的优化策略。

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