Green H 2 Challenges
 
Scalability
Fluctuations
in Renewable Energy
O2 Purity
H2 Purity
Safety
Energy Consumption
Per unit
Voltage Efficiency (LHV)
Increased Stack Lifetime
/ Reduce Degradation
Stack Efficiency
(kWh/kgH2 )
Skills / Maintenance
System Efficiency (kWh/kgH2)