Prof Patricia Popoola is a Full Professor at the Department of Chemical, Metallurgical and Materials Engineering, at the Tshwane University of Technology, Pretoria, South Africa. She is an NRF rated researcher (C3-category) with research focus in Advanced Engineering Materials. She is an author/co-author of more than 400 Journal articles (in high-impact Journals and Conference Proceedings) and more than 30 book chapters. Currently, she has produced thirty Masters' and fifteen Doctoral degree graduates. Prof Popoola and her students are recipients of numerous academic excellence awards Dr. SA Raji is presently a Post-Doctoral Research Fellow in the Department of Chemical, Metallurgical and Materials Engineering, at Tshwane University of Technology, Pretoria, South Africa. Dr. SA Raji obtained BEng (2010) and MEng (2015) in the Department of Metallurgical and Materials Engineering at the Federal University of Technology, Akure, Ondo State, Nigeria. He also studied at the Tshwane University of Technology, Pretoria, South Africa, where he obtained DEng (2022) in the Department of Chemical, Metallurgical and Materials Engineering. He joined the Department of Metallurgical Engineering, Yaba College of Technology, Yaba, Lagos State, Nigeria as a lecturer from 2014 till date. He is a certified member of the Council for the Regulation of Engineering in Nigeria (COREN) as a Registered Engineer and a Corporate Member of the Nigerian Society of Engineers (MNSE). His research interest includes powder metallurgy, corrosion prevention and protection, surface engineering, nanotechnology, materials testing and characterization, sustainable and renewable energy, physical metallurgy, hydrogen energy storage, modeling and simulation, advanced material development and laser material processing including other additive manufacturing techniques. Dr. SA Raji has co-authored several peer-review research articles, review articles, modelling and simulation articles. He has also attended and presented his research findings in both local and international conferences. He is a reviewer for different journals.

• 1. Introduction to Hydrogen Energy Storage in Metals2. Solid-State Hydrogen Storage Materials, Technologies, and Requirements for Hydrogen Energy Storage and Utilization3. Hydrogen Bonding System in Metal Alloys4. Kinetics and Thermodynamics of Solid-State Absorption-Desorption Hydrogen Energy Storage Systems5. Effects of Microstructures on the Hydrogen Energy Storage Capacity and Efficiency of Metal Alloys6. Modifiers of Metal Alloys for Hydrogen Energy Storage7. Titanium-Based Alloys for Hydrogen Storage Applications8. Magnesium-Based Alloys for Hydrogen Storage Applications9. Binary-Type (AB5, AB, A2B and AB2) Alloys For Hydrogen Storage Applications10. High Entropy Alloys (HEAs) for Hydrogen Storage Applications11. Other Metal Alloys and Intermetallics for Hydrogen Storage Applications12. Metal Matrix Composites for Hydrogen Storage Applications13. Metal Oxides as Host for Hydrogen Energy Storage Applications14. Coatings and Additives for Hydrogen Storage in Metal Alloys15. Other Lightweight Materials for Hydrogen Energy Storage Applications16. Processing of Metal Alloys for Hydrogen Storage17. Additive Manufacturing of 3D Printed Components for Hydrogen Energy Storages Technologies18. Modeling of Metal-Based Alloys for Hydrogen Energy Storage19. The Adoption of Metal Alloys as Hydrogen Storage Materials for Different Energy Applications20. Energy Usage and Consumption in Processing and Production of Metallic Materials for Cost-Effective Hydrogen Energy Applications21. Conclusion: Future Trends, Challenges and Recommendations for Metal Alloys as Hydrogen Energy Storage Materials

Prof Patricia Popoola is a Full Professor at the Department of Chemical, Metallurgical and Materials Engineering, at the Tshwane University of Technology, Pretoria, South Africa. She is an NRF rated researcher (C3-category) with research focus in Advanced Engineering Materials. She is an author/co-author of more than 400 Journal articles (in high-impact Journals and Conference Proceedings) and more than 30 book chapters. Currently, she has produced thirty Masters' and fifteen Doctoral degree graduates. Prof Popoola and her students are recipients of numerous academic excellence awards Dr. SA Raji is presently a Post-Doctoral Research Fellow in the Department of Chemical, Metallurgical and Materials Engineering, at Tshwane University of Technology, Pretoria, South Africa. Dr. SA Raji obtained BEng (2010) and MEng (2015) in the Department of Metallurgical and Materials Engineering at the Federal University of Technology, Akure, Ondo State, Nigeria. He also studied at the Tshwane University of Technology, Pretoria, South Africa, where he obtained DEng (2022) in the Department of Chemical, Metallurgical and Materials Engineering. He joined the Department of Metallurgical Engineering, Yaba College of Technology, Yaba, Lagos State, Nigeria as a lecturer from 2014 till date. He is a certified member of the Council for the Regulation of Engineering in Nigeria (COREN) as a Registered Engineer and a Corporate Member of the Nigerian Society of Engineers (MNSE). His research interest includes powder metallurgy, corrosion prevention and protection, surface engineering, nanotechnology, materials testing and characterization, sustainable and renewable energy, physical metallurgy, hydrogen energy storage, modeling and simulation, advanced material development and laser material processing including other additive manufacturing techniques. Dr. SA Raji has co-authored several peer-review research articles, review articles, modelling and simulation articles. He has also attended and presented his research findings in both local and international conferences. He is a reviewer for different journals.

• 1. Introduction to Hydrogen Energy Storage in Metals2. Solid-State Hydrogen Storage Materials, Technologies, and Requirements for Hydrogen Energy Storage and Utilization3. Hydrogen Bonding System in Metal Alloys4. Kinetics and Thermodynamics of Solid-State Absorption-Desorption Hydrogen Energy Storage Systems5. Effects of Microstructures on the Hydrogen Energy Storage Capacity and Efficiency of Metal Alloys6. Modifiers of Metal Alloys for Hydrogen Energy Storage7. Titanium-Based Alloys for Hydrogen Storage Applications8. Magnesium-Based Alloys for Hydrogen Storage Applications9. Binary-Type (AB5, AB, A2B and AB2) Alloys For Hydrogen Storage Applications10. High Entropy Alloys (HEAs) for Hydrogen Storage Applications11. Other Metal Alloys and Intermetallics for Hydrogen Storage Applications12. Metal Matrix Composites for Hydrogen Storage Applications13. Metal Oxides as Host for Hydrogen Energy Storage Applications14. Coatings and Additives for Hydrogen Storage in Metal Alloys15. Other Lightweight Materials for Hydrogen Energy Storage Applications16. Processing of Metal Alloys for Hydrogen Storage17. Additive Manufacturing of 3D Printed Components for Hydrogen Energy Storages Technologies18. Modeling of Metal-Based Alloys for Hydrogen Energy Storage19. The Adoption of Metal Alloys as Hydrogen Storage Materials for Different Energy Applications20. Energy Usage and Consumption in Processing and Production of Metallic Materials for Cost-Effective Hydrogen Energy Applications21. Conclusion: Future Trends, Challenges and Recommendations for Metal Alloys as Hydrogen Energy Storage Materials

Prof Patricia Popoola is a Full Professor at the Department of Chemical, Metallurgical and Materials Engineering, at the Tshwane University of Technology, Pretoria, South Africa. She is an NRF rated researcher (C3-category) with research focus in Advanced Engineering Materials. She is an author/co-author of more than 400 Journal articles (in high-impact Journals and Conference Proceedings) and more than 30 book chapters. Currently, she has produced thirty Masters' and fifteen Doctoral degree graduates. Prof Popoola and her students are recipients of numerous academic excellence awards Dr. SA Raji is presently a Post-Doctoral Research Fellow in the Department of Chemical, Metallurgical and Materials Engineering, at Tshwane University of Technology, Pretoria, South Africa. Dr. SA Raji obtained BEng (2010) and MEng (2015) in the Department of Metallurgical and Materials Engineering at the Federal University of Technology, Akure, Ondo State, Nigeria. He also studied at the Tshwane University of Technology, Pretoria, South Africa, where he obtained DEng (2022) in the Department of Chemical, Metallurgical and Materials Engineering. He joined the Department of Metallurgical Engineering, Yaba College of Technology, Yaba, Lagos State, Nigeria as a lecturer from 2014 till date. He is a certified member of the Council for the Regulation of Engineering in Nigeria (COREN) as a Registered Engineer and a Corporate Member of the Nigerian Society of Engineers (MNSE). His research interest includes powder metallurgy, corrosion prevention and protection, surface engineering, nanotechnology, materials testing and characterization, sustainable and renewable energy, physical metallurgy, hydrogen energy storage, modeling and simulation, advanced material development and laser material processing including other additive manufacturing techniques. Dr. SA Raji has co-authored several peer-review research articles, review articles, modelling and simulation articles. He has also attended and presented his research findings in both local and international conferences. He is a reviewer for different journals.

• 1. Introduction to Hydrogen Energy Storage in Metals2. Solid-State Hydrogen Storage Materials, Technologies, and Requirements for Hydrogen Energy Storage and Utilization3. Hydrogen Bonding System in Metal Alloys4. Kinetics and Thermodynamics of Solid-State Absorption-Desorption Hydrogen Energy Storage Systems5. Effects of Microstructures on the Hydrogen Energy Storage Capacity and Efficiency of Metal Alloys6. Modifiers of Metal Alloys for Hydrogen Energy Storage7. Titanium-Based Alloys for Hydrogen Storage Applications8. Magnesium-Based Alloys for Hydrogen Storage Applications9. Binary-Type (AB5, AB, A2B and AB2) Alloys For Hydrogen Storage Applications10. High Entropy Alloys (HEAs) for Hydrogen Storage Applications11. Other Metal Alloys and Intermetallics for Hydrogen Storage Applications12. Metal Matrix Composites for Hydrogen Storage Applications13. Metal Oxides as Host for Hydrogen Energy Storage Applications14. Coatings and Additives for Hydrogen Storage in Metal Alloys15. Other Lightweight Materials for Hydrogen Energy Storage Applications16. Processing of Metal Alloys for Hydrogen Storage17. Additive Manufacturing of 3D Printed Components for Hydrogen Energy Storages Technologies18. Modeling of Metal-Based Alloys for Hydrogen Energy Storage19. The Adoption of Metal Alloys as Hydrogen Storage Materials for Different Energy Applications20. Energy Usage and Consumption in Processing and Production of Metallic Materials for Cost-Effective Hydrogen Energy Applications21. Conclusion: Future Trends, Challenges and Recommendations for Metal Alloys as Hydrogen Energy Storage Materials