BAUER: Upscaling hydrogen mobility with high-pressure compression technologies

Many experts claim that the demand for fossil fuels will outstrip our finite supply within the century. Although alternative energy has been gaining popularity, fossil fuels remain the most affordable and easily accessible energy source.

This is due to the well-established extraction, refinement, and distribution infrastructure. For this to change, the infrastructure for alternative energy must rapidly expand, which requires partnerships between different manufacturers and organisations to build up the means to bring the energy to the end-user. BAUER’s partnership with the sera Group is one such collaboration working to create a complete hydrogen fuelling station.

Hydrogen is an especially promising alternative fuel source with some advantages over electric vehicles, particularly when it comes to larger vehicles like Class 8 trucks. Hydrogen is an innovative alternative fuel source with all the advantages of electric vehicles and fewer drawbacks. Just like electric vehicles, hydrogen fuel cell electric vehicles (FCEV) generate no emissions. But where electric vehicles suffer from lengthy recharge times and limited range, FCEVs can be recharged at pump stations, with refuelling times that are very comparable to gas and diesel vehicles. FCEVs are replenished with high-pressure compressed gas, typically filling their tanks to a range of 5,000 to 10,000 psi.

Upscaling power or range for a FCEV is easily accomplished by incorporating additional fuel cells without significantly affecting space or weight. On the other hand, battery electric vehicles (BEVs) necessitate bigger and heavier batteries for extended range or increased power, which may result in reduced cargo capacity.

Fuel cell electric vehicles (FCEVs) also offer a driving range comparable to traditional vehicles thanks to their efficiency. Unlike traditional engines, which only use 20-30% of the energy generated from combustion, FCEVs utilise around 60%. By passing hydrogen through a membrane and combining it with oxygen from the air, FCEVs create electricity to power the vehicle’s motor, emitting only water vapour as a result. FCEVs operate smoothly and quietly without the need for a transmission. When extra power is required, FCEVs rely on an auxiliary battery that is continuously charged by the fuel cell and a regenerative braking system that captures energy during braking.

The right equipment

Its small particle size and low density make hydrogen gas prone to leaking. However, with the right equipment, the transportation of hydrogen becomes a relatively straightforward task by either compressing it into a high pressure gas or liquefying it.

It can then be transported similarly to natural gas, by compressing and injecting it into a pipeline. Another option for transport is gaseous tube trailers and cryogenic liquid tanker trucks for over-the-road transportation.

At BAUER, we have combined our 85 years of experience in engineering and manufacturing high-pressure gas compressor systems in our latest hydrogen compressor product offering. Our standard range of hydrogen compressor systems can deliver from 0.5 kg/hr in the H-SERIES 1, to 35.5 kg/hr in the H-SERIES 5, with final pressures up to 350 bar.

We can also provide final pressures up to 1,000 bar by adding a separate add-on booster compressor.

Our hydrogen compression systems can provide  ISO14687 gas quality standards suitable for fuel cells. The BAUER H-SERIES family of hydrogen compressor and booster solutions are available in complete or modular systems to fit your needs. Our range of solutions is designed to meet the needs of fleets of all sizes. Whether you’re a small operation or a large enterprise, we can create a custom, tailor-made system that perfectly aligns with your specific requirements.

Additionally, the BAUER H-SERIES comes standard with BAUER CONNECT®, an app, and internet-based IoT solution that allows users to monitor and control their entire BAUER system remotely through any wireless mobile device or computer anytime. BAUER CONNECT® offers real-time performance information and can also generate custom reports based on the BAUER system’s historical data. Operators can also set up custom reports to see their system’s data about its performance and push notifications should the system’s performance fall outside of operating parameters so they can perform timely actions to keep their operations and equipment running smoothly.


BAUER has been the world’s leading high-pressure compressors and integrated compression systems manufacturer for over 75 years.

A global company that operates through 21 wholly-owned local subsidiaries and over 600 local distributor partners worldwide, BAUER products compress a variety of gas mediums such as air, nitrogen, methane, biogas, and CO2 (carbon dioxide), as well as exotic specialty gases such as helium, argon, neon, krypton, and xenon.

Visit www.bauercomp.com to see how the company can fit your needs.

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