HYDROGEN ENERGY KNOWLEDGE LIBRARY
Hydrogen Energy | Technology, Institution & Company Guides
Explore illustrated, source-linked guides to hydrogen production, storage, transport, use, materials, institutions, and companies.

READ THIS FIRST
A Beginner’s Guide to Hydrogen energy
Why not use electricity directly? Follow production, transport and use. No prior knowledge needed: understand the purpose, mechanism, strengths and limits, then choose a guided route into the detailed articles.
Start with the overview →Technology Guides 26
AEM (Anion Exchange Membrane) Water Electrolysis→
Alkaline Water Electrolysis→
Ammonia as a Hydrogen Carrier→
Barrier Properties and Coatings→
Carbon Capture and Storage (CCS)→
CFRP and Composite Materials→
Cost of Hydrogen Production (LCOH)→
Electrolyzer Stacks and Materials→
Fluoropolymers and PFAS→
Fuel Cell Vehicles and PEM Fuel Cells→
High-Pressure Hydrogen Tanks→
Hydrogen Co-Firing in Gas Turbines→
Hydrogen Colors and Carbon Intensity→
Hydrogen Combustion Engines→
Hydrogen Energy Carriers (MCH and LOHC)→
Hydrogen Pipelines and Hydrogen Embrittlement→
Hydrogen Steelmaking (DRI)→
Liquid Hydrogen→
Methanol→
PEM Water Electrolysis→
Photoelectrochemical Cells→
Platinum Group Metals and Catalysts→
Power Grids and Renewables for Hydrogen→
SAF and e-Fuels→
Solid Oxide Electrolysis Cells (SOEC)→
Solid Oxide Fuel Cells (SOFC)→
Institution Profiles 8
European Commission→
Hydrogen Council→
International Energy Agency (IEA)→
International Maritime Organization (IMO)→
ISO (International Organization for Standardization)→
Ministry of Economy, Trade and Industry (METI)→
NEDO (New Energy and Industrial Technology Development Organization)→
U.S. Department of Energy (DOE)→
Company Profiles 23
ACWA Power→
AGC→
Air Liquide→
Air Products→
Asahi Kasei→
Ballard Power Systems→
Bloom Energy→
Chemours→
Daimler Truck→
FuelCell Energy→
ITM Power→
Johnson Matthey→
Kawasaki Heavy Industries→
Linde→
Nel→
Plug Power→
PowerCell→
Siemens Energy→
Sunfire→
Tanaka Kikinzoku→
thyssenkrupp nucera→
Toyota Motor Corporation→
Umicore→