Dear Colleagues,

This Special Issue will follow the publications of the first and second editions, which presented 15 interesting papers.

The production, conversion, and storage of energy are currently gaining remarkable significance as a consequence of the increase in environmental and energy security issues. Consequently, a significant proportion of actual research is focused on developing beneficial and efficient systems, processes, and materials for electrochemical and thermochemical devices and integrated systems that are able to produce, convert, and store energy, favoring the use of renewable sources for distributed generation and transport, and, at the same time, reducing fuel consumption and emissions. Therefore, many studies have been carried out on the development and optimization of particular systems such as high- and low-temperature batteries, supercapacitors, and fuel cells able to accumulate and deliver electrical energy as well as electrolyzers and storage materials for hydrogen production and re-use. The main desirable features in these devices are their small size, high specific energy, low environmental impact, and low costs. In addition, with regard to hydrogen, much is being carried out toward the development of processes for its production from renewable sources such as thermochemical cycles powered by solar energy, biomass gasification, etc. In this process of rapid power system evolution, the use of integrated storage systems is particularly necessary for improving the operational grid capacity, reducing the costs (of investment and management), and increasing the reliability and safety of modified systems using new technologies.

In particular, the purpose of this Special Issue is to publish high-quality research papers as well as review articles addressing recent advances in the development and optimization of innovative systems, processes, and materials for the production, conversion, and storage of energy. Potential topics include advanced electrode materials, battery and fuel cell management and characterization, renewable energy and power systems, and integrated storage energy systems and materials.

Dr. Alessandro Dell'Era
Guest Editor

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• energy
• electrode materials
• batteries
• fuel cell
• renewable energy
• power systems
• storage system