Classification
CXX - Hydrogen production - chemistry and technology
ESB - Hydrogen energy
37
ETF - Fuel cells - general
10
EHA - Renewable energy sources
3
TKJ - Traffic
3
CLJ - Catalyst materials
2
CNW - Electrochemical energy production and conversion
2
CWSW - Membrane separation process
2
CXRU - Synthetic fuels
2
CXXE - Thermal and photochemical hydrogen production
2
CXXL - Electrochemical hydrogen production
2
FMXG - Metal hydrogen systems - specific aspects, specific systems
2
CLPS - Organic colloids, membranes
1
CNE - Electrochemistry
1
CNWK - Electric batteries
1
CWK - Chemical reaction engineering and reactor design
1
CXK - Coal gasification
1
ETA - Energy storage
1
ETC - Energy conversion
1
ETFG - Polymer electrolyte membrane fuel cells ( PEMFC )
1
ETFK - Direct methanol fuel cells ( DMFC )
1
FGN - Nanotechnology
1
TIG - Reliability, safety, quality control
1
TND - Gas cooled reactor types
1
TNU - Nuclear process heat
1
UCS - Environmental chemistry
1