East German Hydrogen Energy | Unveiling the World’s First Ionic Liquid-Sealed Compressor
Release time:
2025-05-29
Overview of East German Hydrogen Energy Ionic Liquid-Sealed Compressor Products
The world's first The ionic liquid‑sealed compressor was independently developed and manufactured in East Germany. It innovatively employs a circulating ionic liquid, driven by a reciprocating pump with a fixed‑position plunger, to seal, lubricate, and cool the piston rings, working in conjunction with sealing components to define the compression chamber. 100% zero leakage , High pressure, large displacement It can meet the demands of increased single‑cell production at the hydrogen generation end, as well as the continuously rising pressures for hydrogen storage, transportation, and refueling, thereby effectively driving the large‑scale development of the hydrogen energy industry.

Six Reasons to Choose Dongde Hydrogen Energy Ionic Liquid-Sealed Compressors
High pressure, large displacement
High single-unit capacity and low energy consumption, perfectly suited to meet the demands of doubling the production capacity of individual water electrolysis cells and high-pressure storage and transportation.
100% zero leakage
Ionic liquids are non-volatile and free of abrasive contamination, ensuring that the purity of compressed hydrogen remains unaffected.
Reduced overall energy consumption
Ionic liquid dynamic cooling technology reduces overall energy consumption by 20–30%, with system-level specific power consumption below 1.75 kW/kg, yielding annual electricity savings of over one million kWh compared to conventional models.
Long maintenance cycle
A specialized lubrication method, combined with the exceptional stability of ionic liquids, triples maintenance intervals and reduces life-cycle maintenance costs by 60%.
24-hour intelligent control
Equipped with a PLC and IoT system, it enables real-time monitoring of multiple parameters—pressure, temperature, and vibration—and supports remote monitoring and predictive maintenance.
Rapid Deployment Plan
The skid-mounted integrated design combines six major systems, including power, cooling, and control, reducing the footprint by 35%. It supports modular expansion for rapid delivery.
| Parameter | East German hydrogen production ion-liquid-sealed compressor | East German hydrogen energy ion-liquid-sealed compressor for hydrogen refueling |
| Device model | DL2-2.3-9500 | DL45-1000 |
| Medium | Hydrogen gas | Hydrogen gas |
| Intake pressure | 2MPa | 1.4-1.8MPa |
| Discharge pressure | 2.3MPa | 45MPa |
| Displacement | 9500Nm3/h | 1000Nm3/h@1.6MPa |
| Motor power | 520KW | 185KW |
| Rotational speed | 420r/min | 740r/min |
| Cylinder arrangement | Horizontal reciprocating motion of double crutches | Horizontal reciprocating motion of double crutches |
| Cylinder configuration | Double-acting | Reverse gradient |


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