What role does nickel play in advancing hydrogen production technologies?

These findings underscore the multifaceted role of nickel in advancing hydrogen production technologies and provide a roadmap for future research, which should prioritize enhancing catalytic processes, developing cost-effective electrochemical systems, and addressing environmental challenges.

Why are nickel-based catalysts important for hydrogen production?

Stability is a critical factor for the application of nickel-based catalysts in hydrogen production. These catalysts are prone to degradation mechanisms such as surface oxidation, catalyst sintering, and electrolyte corrosion, which can reduce their efficiency over time.

Can nickel-based systems drive green hydrogen technologies?

In regions like Indonesia, where abundant nickel reserves and renewable energy resources are available, nickel-based systems hold significant potential to drive advancements in green hydrogen technologies.

Do nickel-based catalysts enhance hydrogen production through water electrolysis?

Nickel-based catalysts play an important role in enhancing hydrogen production through water electrolysis. Thus, in this study, we evaluate aspects regarding the specific role, advantages, and efficiency improvements of nickel-based catalysts to provide a clearer picture of the potential of nickel.

Can a nickel-hydrogen battery be used for grid storage?

The attractive characteristics of the conventional nickel-hydrogen battery inspire us to explore advanced nickel-hydrogen battery with low cost to achieve the United States Department of Energy (DOE) target of $100 kWh −1 for grid storage ( 14 ), which is highly desirable yet very challenging.

Does nickel improve photothermal hydrogen production?

Nickel is also integral in CoFe-Layered Double Hydroxide (LDH) derivatives for photo-thermal hydrogen production, where its presence enhances reaction kinetics, potentially improving hydrogen production rates (Li et al., 2023b).