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An overview of green hydrogen production system through low temperature water electrolysis using solar energy

Arbye S. (Department of Electrical Engineering and Information Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia), abudiman@ugm.ac.id
Wijaya Fransisco D. (Department of Electrical Engineering and Information Technology, Universitas Gadjah Mada, Yogyakarta, Indonesia)
Budiman Arief (Department of Chemical Engineering, Universitas Gadjah Mada, Yogyakarta, Indonesia)

Climate change and the increasing demand for energy become major issues in public discussions today. The Paris Agreement is one of the results of such public discussions that focuses on achieving the 2050 Net Zero Emission target. Many energy agencies have created scenarios to achieve this target. In this regard, green hydrogen is expected to have a significant role in energy transition plan. For this reason, in recent years, research related to green hydrogen production using the water electrolysis method continues to develop. The paper aimed primarily to conduct an overview of alternative technologies that can be used in producing green hydrogen with the solar energy based low temperature water electrolysis method. Secondarily, it would present information about several solar energy-based electrolysis project plans and a summary of challenges and opportunities in the development of solar energy based low temperature water electrolyzers in the future. Furthermore, to achieve commercially viable green hydrogen production, it is important to find new ideas, potential solutions, and constructive recommendations as soon as possible for further development research. This paper expectedly would be able to help initiate the development of green hydrogen production research through water electrolysis technology that is efficient, cost effective economically, and environmentally friendly.

Keywords: low temperature water electrolysis, green hydrogen, solar energy, AWE, PEM, AEM