Solid-State Materials for Hydrogen Storage
Hydrogen (H2) is a promising replacement energy carrier and storage molecular due to its high energy density by weight. For the constraint of size and weight in vehicles, the onboard hydrogen storage system has to be small and lightweight. Therefore, a lot of research is devoted to finding an efficient method of hydrogen storage based on both mechanical compression and sorption on solid-state materials. An overview of the current research trend and perspectives on materials-based hydrogen storage including both physical and chemical storage is provided in the present paper. Part of this chapter was dedicated to recent results on two innovative materials: hybrid materials based on manganese oxide anchored to a polymeric matrix and natural volcanic powders. A prototype H2 tank, filled with the developed hybrid material, was realized and integrated into a polymer electrolyte membrane (PEM) single fuel cell (FC) demonstrating the material capability to coupling with the FC.
KeywordsH2 storage Physisorption and chemical sorption Mn oxide anchored to a polymer H2 tank prototype
The hybrid material activity was developed within the Research Project AdP CNR-MSE and financing from the Research Fund for the Electrical System, with theme: International Project “Nuclear, Hydrogen, Fuel Cells” e Activity 2.6: Polymeric materials for hydrogen storage.
The authors are grateful to Dr. Ausonio Tuissi (CNR-ICMATE) for his collaboration in TiCr development and Dr. Lucia Miraglia (INGV) for his support in lava material characterizations.
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