Unit 1 Unit-1

• Fundamentals of Green Hydrogen 1
• Introduction to Hydrogen o Hydrogen as an element o Natural occurrence and isotopes

Unit 2 Physical and Chemical Properties of Hydrogen

• energy content o Storage and safety characteristics

Unit 3 Types of Hydrogen

• Grey: Production methods & emissions o Lifecycle carbon analysis

Unit 4 Green Hydrogen as an Energy Carrier

• conversion, and advantages o Integration into energy systems

Unit 5 Applications and Value Chain of Green Hydrogen

9 lecture hours

• o End-use sectors: transport
• grid storage o Overview of production to utilization stages 9 20% Program Name: Diploma Engineering Level: Diploma Branch: Plastics Engineering Subject Code: DI04023091 Subject Name: Green Hydrogen Production Technology 2
• Unit-2: Green Hydrogen Production Technologies 1
• Principles of Water Electrolysis o Electrochemical reaction o Thermodynamics and energy requirements 2
• Alkaline Electrolyzer (AE) Technology o Components
• electrolyte systems o Merits and limitations 3
• PEM and Solid Oxide Electrolyzers (SOEC) o PEM: Catalyst
• membrane o SOEC: High-temperature operation 4
• Emerging Technologies in Hydrogen Production o Photoelectrochemical (PEC) water splitting o Thermochemical and biological methods 5
• Operational Parameters and Optimization o Current density
• temperature impact o System efficiency and energy consumption 9 20% 3
• Unit-3: Storage and Transportation of Green Hydrogen 1
• Overview of Hydrogen Storage & Transport Needs o Role in hydrogen economy o Safety and technical challenges 2
• Compressed Gas & Liquid Hydrogen Storage o High-pressure storage systems (350-700 bar) o Cryogenic storage and boil-off management 3
• Hydrogen Transportation Methods o Pipeline systems and material selection o Compression and distribution stations 4
• Mobile and Maritime Hydrogen Transport o Tube trailers
• tankers, and shipping options o Logistics and cost considerations 5
• Fuel Cell Technologies for Transport o PEMFC working principle and applications o Efficiency
• types, and comparison with combustion engines Program Name: Diploma Engineering Level: Diploma Branch: Plastics Engineering Subject Code: DI04023091 Subject Name: Green Hydrogen Production Technology 4
• Unit-4: Safety and Hazards Management in of Green Hydrogen 2
• Hydrogen Safety Fundamentals o Physical and chemical properties affecting safety o Flammability
• ignition energy, and explosive limits o Behavior of hydrogen leaks and dispersion characteristics o Real-world examples of hydrogen-related incidents 3
• Risk Assessment and Hazard Analysis o Techniques: HAZOP
• What-If analysis o Failure mode identification and mitigation planning o Safety integration into hydrogen storage and transport systems o Case studies on risk and safety failures 4
• Leak Detection and Safety Systems o Leak detection methods: electrochemical
• infrared o Ventilation
• accumulation control, and flame behavior o Safety systems: fire suppression
• isolation systems 5
• Safety Standards and Regulatory Compliance o International codes: ISO, IEC, NFPA o Indian standards: BIS, PESO
• OSHE regulations o Safety certification
• inspection, and compliance requirements

Unit 6 Emergency Response and Best Practices

9 lecture hours

• o Emergency planning and incident response protocols o Safety training, PPE, signage, and regular audits o Drills
• safety audits and organizational safety culture 9 20% 5
• Unit-5: Utilization and Applications of Green Hydrogen 1
• Applications in Transport Sector o Fuel Cell Electric Vehicles (FCEVs) o Heavy-duty transport
• Industrial Applications o Ammonia production
• steel manufacturing o Hydrogen as a reducing agent 3
• Power Sector Integration o Power-to-Gas and Power-to-X applications o Hydrogen turbines and hybrid systems 4
• Residential and Commercial Uses o Hydrogen for heating and fuel blending o Hydrogen microgrids and back-up power 5
• Future Technologies and Global Trends o Hydrogen blending in natural gas pipelines o Role in decarbonization pathways and international trade