Fuel cell-based Air Independent Propulsion (AIP) System 

Fuel cell-based Air Independent Propulsion (AIP) System 

Part of: GS Prelims and GS – III – Defence and Security 

In news

• Air Independent Propulsion (AIP) System was recently developed by DRDO. 
• It is an important milestone. 

Key takeaways 

• The system is being developed by Naval Materials Research Laboratory (NMRL) of DRDO.
• AIP has a force multiplier effect on lethality of a diesel electric submarine. 
• It enhances the submerged endurance of the boat. 
• AIP also has merits in performance compared to other technologies.
• AIP of NMRL is unique as the hydrogen is generated onboard.