Aerogels can serve as an active component and/or support materials for hydrogen and oxygen evolution reactions (OERs) as well as overall water splitting. Several types of aerogels, ranging from noble metal aerogels to doped graphene aerogels, have been discussed in this chapter as high-performance materials for electrocatalytic …
Atmospheric nitrogen (N 2), an accessible and abundant component of the air, serves as the primary nitrogen source for industrial ammonia synthesis and other nitrogen-related chemicals.Typically, the harsh activation conditions required for N 2 fixation in industrial processes hinder the development of one-step synthesis processes and …
5 · Next, their electrocatalytic applications for hydrogen energy conversion including hydrogen evolution reaction, oxygen evolution reaction, overall water splitting, and oxygen reduction reaction ...
Nowadays, hydrogen production by water electrolysis has become an emerging trend in new energy production, especially in the context of global carbon neutrality [ 12, 13, 14 ]. Water electrolysis operates through the oxygen evolution reaction (OER) at the anode, and the hydrogen evolution reaction (HER) at the cathode.
1. Introduction. Ever-increasing energy consumption and increasingly serious environmental pollution have necessitated the development of new energy sources to replace fossil energies [1], [2], [3].Hydrogen is a new energy that has attracted much attention in the process of the world energy crisis in the 21st century [4], [5].As a bridge …
It is important to develop a new process for both the generation and storage of energy and protection ... MoS2 nanoparticles grown on graphene: an advanced catalyst for the hydrogen evolution reaction. J Am Chem Soc 133(19):7296–7299. ... WJ, Wei KH, Li LJ (2013) Highly efficient electrocatalytic hydrogen production by MoSx grown on …
This problem has intensified interest in various sources, such as solar, wind, hydro, and other renewable electricity, from electrolysis. Hence, H 2 can be cheaply produced by water splitting using solar-to-hydrogen conversion strategy and based on photochemical and photoelectrochemical methods. [The water splitting by electrolysis …
Advanced Materials, one of the world''s most prestigious journals, is the home of choice for best-in-class materials science for more than 30 years. 1 Introduction Clean and renewable energy has been a topic of extensive research to achieve sustainable development ...
To meet the rapid advance of electronic devices and electric vehicles, great efforts have been devoted to developing clean energy conversion and storage systems, such as hydrogen production devices, supercapacitors, …
Advanced Energy Materials, 2021, 11(46): 2102452–2102460. Google Scholar Jiang Z, Ye Z, Shangguan W. Recent advances of hydrogen production through particulate semiconductor photocatalytic overall water splitting. Frontiers in Energy, 2022, 16(1): 49–63. Google Scholar
Hydrogen-based energy storage systems are generating interest as a cost-effective strategy for large-scale storage, transportation, and utilization of renewable …
1 · Anion exchange membrane water electrolysis is a promising strategy for achieving sustainable hydrogen production ... at the initial stage of electrocatalytic hydrogen …
Solar H2 production is considered as a potentially promising way to utilize solar energy and tackle climate change stemming from the combustion of fossil fuels. Photocatalytic, photoelectrochemical, photovoltaic–electrochemical, solar thermochemical, photothermal catalytic, and photobiological technologies are the most intensively studied …
Finally, we discuss the current challenges in the field of electrodeposition strategy followed by future vision towards electrocatalytic hydrogen production. By virtue of the prominent technology preponderance, this review is intended to provide technical support for advanced multifunctional catalysts design.
Abstract. This chapter explores emerging electrocatalytic strategies for efficient and sustainable hydrogen production from water. First, conventional water electrolysis is discussed, along with its associated challenges, including high energy consumption, slow kinetics, and limited durability of the electrocatalyst.
This problem has intensified interest in various sources, such as solar, wind, hydro, and other renewable electricity, from electrolysis. Hence, H 2 can be cheaply produced by water splitting using solar-to …
Through electrocatalysis, CO 2 and H 2 O can be converted into methanol or formic acid, while N 2 or NO x along with H 2 O can be transformed into ammonia. …
Several feasible energy production techniques with electrochemical methods are acknowledged as the most efficient process in the storage and conversion of renewable energy [1]. [ 7, 8 ]. Hydrogen is one of the most significant renewable energy sources, and it emits only water as a by-product without any carbon emission [ 9 ].
Three stages of high-efficient, low-cost, and energy-saving electrochemical hydrogen production are described in this Review based on the benefits and electron donation …
With diminishing fossil fuels, increasing demand on energy resources, and growing environmental concerns, the development of clean and sustainable energy conversion and storage systems with a high efficiency and low cost, such as fuel cells and metal-air batteries, has become more important than ever ().However, implementing these energy …
Electrocatalytic water splitting driven by renewable energy input to produce clean hydrogen (H2) has been widely considered a prospective approach for a future hydrogen-based society. However, the development of industrial alkaline water electrolyzers is hindered due to their unfavorable thermodynamics with high overpotential for delivering …
Clean and efficient energy storage and conversion via sustainable water and nitrogen reactions have attracted substantial attention to address the energy and environmental issues due to the overwhelming use of fossil fuels. ... including advanced water electrolyzers, hydrogen fuel cells, and ammonia electrosynthesis and utilization. …
To date, most studies regarding electrocatalytic hydrogen evolution reaction (HER) are carried out in strong acidic/alkali electrolytes. However, hydrogen production from HER under extreme pH conditions has several drawbacks, including a corrosive working environment, the requirement of expensive anion/cation exchange membranes, and …
To date, most studies regarding electrocatalytic hydrogen evolution reaction (HER) are carried out in strong acidic/alkali electrolytes. However, hydrogen production from HER under extreme pH conditions has …
This study shall concentrate on using HEAs as advanced energy storage materials (Wang Q. et al., 2021). ... The electrocatalytic hydrogen evolution reaction has received a lot of attention as one of the most ... M., and Shafiullah, G. (2020). Hydrogen production for energy: An overview. Int. J. Hydrogen Energy 45 (7), 3847–3869. doi:10.1016/j ...
This paper reports a groundbreaking approach for simultaneous hydrogen production and storage that entails catalysis, electrochemistry, surface science, and materials synthesis. A novel electrocatalytic system is developed based on nickel nanocolumnar films of controlled microstructure prepared on K-βAl2O3 solid electrolyte …
The rapid development of hydrogen energy is strongly dependent on the economic and efficient production of hydrogen. The electrocatalytic splitting of water to molecular hydrogen via the hydrogen evolution reaction (HER) provides an appealing solution for producing high-purity hydrogen, but low-cost and highly active …
Hydrogen evolution reaction is a key half-reaction of the cathode to produce hydrogen in the total hydrolysis of water. It involves a two-electron transfer process that reduces protons or water to hydrogen molecules (H 2) when an external potential or electrochemical energy is applied. ...
Hydrogen fuel receives worldwide attention for the zero emission and high energy density. Production of hydrogen by electrochemical water splitting requires efficient electrocatalysts to boost the hydrogen evolution reaction (HER). Transition metal phosphides are regarded as promising substitutes for precious metals as HER …
Moreover, Liu et al. presented a brief review about the progress of electrocatalytic hydrogen production induced by hierarchical porous molybdenum carbide-based nanomaterials and Guan et al. reviewed the progress of advanced supercapacitor materials using two-dimensional transition metal oxide and hydroxide …