Abstract
The key direction of political actions in the field of sustainable development of the energy sector and economy is the process of energy transformation (decarbonization) and increasing the share of renewable energy sources (RES) in the supply of primary energy. Regardless of the indisputable advantages, RES are referred to as unstable energy sources. A possible solution might be the development of the concept of hydrogen supply chains, especially the so-called green hydrogen obtained in the process of electrolysis from electricity produced from RES. The aim of the research undertaken in the article is to identify the scope of research carried out in the area of hydrogen supply chains and to link this research with the issues of the operation of electricity distribution networks powered by RES. As a result of the scoping review, and the application of the text-mining method using the IRaMuTeQ tool, which includes the analysis of the content of 12 review articles presenting the current research achievements in this field over the last three years (2016–2020), it was established that the issues related to hydrogen supply chains, including green hydrogen, are still not significantly associated with the problem of the operation of power grids. The results of the conducted research allow formulating recommendations for further research areas.
Highlights
Satisfying the growing demand for energy and reducing the negative impact of the energy sector on the environment and society are two interrelated and most important problems of the modern world [1]
More and more attention is being paid to the issue of storing energy produced from renewable energy sources (RES) in the context of stabilizing electricity distribution networks, with one of the solutions being the development of hydrogen technologies, in particular, those based on pure hydrogen
Such a situation should allow finding the most important relationships between words, and the legibility of the graphic presentation of the achieved results. Such a research procedure is characterized by rationality, it introduced a limitation in selecting words to the analysis, which, occurring less frequently, are significantly related to the formulated research goals
Summary
Satisfying the growing demand for energy and reducing the negative impact of the energy sector on the environment and society are two interrelated and most important problems of the modern world [1]. The challenges that lie before a decarbonized energy sector are identified in relation to environmental sustainability, security of energy supply, economic stability, and social aspects [4,5,6,7] This is reflected in the package of legislative proposals referred to as the European Green Deal adopted by the European Commission in July 2021, aimed at adjusting the European Union (EU) climate, energy, transport, and tax policy to the goal of reducing net greenhouse gas emissions by least 55 percent by 2030, as compared to the level achieved in 1990. In the first HSC structures, taking into account the supply phase, four nodes were identified [22]: suppliers of raw materials (local or international), production plants, Energies 2022, 15, 866 storage points, and petrol stations In this approach, the independence of research regarding individual phases of hydrogen supply chains is still visible
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