Hydrogen Compressor

• Electrochemical - uses PEMs. Lame. [1]

Sourcing

• https://www.sundyne.com/products/ppi-products-industries/ - diaphragm, 15 hp compressor
• Alibaba - says $3k - [2]
• Sauer - 1450 PSI, 5 hp [3]
• Haskel - 12000 PSI [4]
• Hydropac - [5]

Design

• Design of a hydrogen filling station with liquid hydrogen, at $4 gge for fuel cell car. [6]