A facile one-step fabrication of a novel Cu/MoS₂ nano-assembled structure for enhanced hydrogen evolution reaction performance

Abstract

The design and synthesis of non-precious-metal catalysts for the efficient electrochemical transformation of water into molecular hydrogen in acid environments are of paramount importance in reducing energy losses during the water splitting process.

Graphene-supported platinum/nickel phosphide electrocatalyst with improved activity and stability for methanol oxidation

“…[1][2][3] These advantages are enough to make it a promising way to address the existing environmental emission issues from fossil energy. 4 However, reducing cost is an urgent problem to solve in many research elds, 5,6 therefore, reducing the dosage of precious metal catalyst, or improving its catalytic efficiency is an important means to push forward the commercialization of DMFCs. 7 The main reason for DMFC anode rate limitation is apparently the sluggish electrooxidation of adsorbed carbon monoxide, an intermediate product of anodic methanol oxidation.…”

Metal‐Assisted Efficient Nanotubular Electrocatalyst of MoS2 for Hydrogen Production

“…[25] Liu's group showed promising HER performance, with a 275 ohm alternating current impedance and a 120 mV overpotential. [26] However, Cu also readily corrodes at room temperature, and the Cu 2 O phase is formed in the range of room temperature up to 100°C, while CuO is formed above 350°C. This causes trap states that capture the charges during charge transfer.…”

“…In the case of using Cu, Hu's group reported an increased thermal stability of the MoS 2 /Cu composite [25] . Liu's group showed promising HER performance, with a 275 ohm alternating current impedance and a 120 mV overpotential [26] . However, Cu also readily corrodes at room temperature, and the Cu 2 O phase is formed in the range of room temperature up to 100 °C, while CuO is formed above 350 °C.…”

Effect of Ni Nanoparticles on HG Sheets Modified by GO on the Hydrogen Evolution Reaction

“…The excessive use and strong dependence of fossil fuels are exacerbating the global environmental pollution and energy crisis; many alternative fossil fuel sources such as solar, wind, geothermal, and hydrogen energy have emerged as the times require. − Hydrogen energy has been proposed as a friendly alternative to current fossil fuels because of its sustainability and environmentally friendly performance. − In this context, several strategies have studied the generation of H 2 , in which photochemical and electrochemical generation are practical ones. − The hydrogen evolution reaction (HER) is one-half of the water decomposition reaction, which is of great significance for low-cost alternative fossil fuels. The water electrolysis system consumes plenty of electrical energy but needs to utilize a stable and efficient electrocatalyst to improve the reaction kinetics. ,− As we all know, precious metals, such as platinum (Pt), are proposed as one kind of the most efficient catalysts in the electrolysis of water because of their neutral thermal Gibbs free energy. However, both the high cost and scarcity of Pt metals lead to a limited industrial application on the large-scale generation of hydrogen.…”