Intro
Foreword
Preface
Editorial for the Special Issue "Hydrogen as the New Sustainable Renewable Energy"
Chapter Introduction
Contents
Editors and Contributors
Effect of Feedstock Composition on the Methanol Synthesis via the CO2 Hydrogenation Process
1 Introduction
2 Methodology
2.1 Preparation of Catalyst Support
2.2 Supported Cu/ZnO-Based Catalyst with Addition of Promoter
2.3 Catalyst Characterization
2.4 Catalytic Performance Evaluation
3 Results and Discussion
3.1 Morphology of Catalyst
3.2 Textural Properties
3.3 Phase Analysis

3.4 Reducibility and Basicity Studies
3.5 Catalytic Activity
4 Conclusion
References
Inhibition of Ammonia Emission by Buffer Solution in Ammonia Borane Hydrolysis
1 Introduction
2 Experimental Methods
2.1 Catalyst Preparations
2.2 Ammonia Emission Control Test
2.3 Analysis of the Mechanism of Ammonia Release Inhibition
3 Results and Discussion
3.1 Emission Behavior of Ammonia
3.2 The Mechanism of Ammonia Emission Control
4 Conclusions
References
Cold Startup of a PEFC Studied by Operando Visualization of Ice and Oxygen Partial Pressure

1 Introduction
2 Experimental
3 Results and Discussion
4 Conclusions
References
In Silico of Hydrogen Rich Gas from Formic Acid by Steam Reforming Process via DFT Calculation
1 Introduction
2 Method on Computational Chemistry
3 Results and Discussions
3.1 DFT Method Validation
3.2 Quantum Chemical Parameters
4 Conclusion
References
The Effect of Second Metals Towards Physicochemical Properties of Nickel-Based Catalyst Supported on Reduced Graphene Oxide for Hydrogenation of Carbon Dioxide into Methane
1 Introduction
2 Methodology
2.1 Materials

2.2 Synthesis of Catalysts
2.3 X-Ray Diffraction Analysis
2.4 Surface Area and Porosity Analysis
2.5 H2-TPR Analysis
3 Results and Discussion
3.1 X-Ray Diffractogram of Catalysts
3.2 Surface Area and Porosity
3.3 Reduction Behaviour and Metal-Support Interaction
4 Conclusion
References
Photocatalytic Pre-treatment of Lignocellulosic Biomass for Biohydrogen Production
1 Introduction
2 Materials and Methodology
2.1 Synthesis of TiO2 Nanotubes Photocatalyst
2.2 Photocatalytic Pre-treatment of Palm Kernel Expeller
2.3 Chlorella Vulgaris Stock Cultivation

2.4 Experimental Setup for Hydrogen Production Using Palm Kernel Expeller
3 Results and Discussion
4 Conclusions
References
Effect of Nitrogen Doping on Optoelectronic Properties of TiO2 Anatase Model for Solar Hydrogen Production: A DFT + U Approach
1 Introduction
2 Methodology
3 Results and Discussion
3.1 Structural Properties and Stability of the Models
3.2 Electronic Structure/Characteristics
3.3 Optical Properties
4 Conclusion
References