Hydrogen for Fuel Cells and Welding — clean energy and metal joining applications
Hydrogen for fuel cells and welding may seem an unlikely pairing, but REAL GAZ supplies both from one catalogue, each with its own purity and blend requirements.
Fuel cells need clean H₂, while welders often use argon-hydrogen mixes where hydrogen improves heat input and bead appearance.
Fuel cells need clean H₂, while welders often use argon-hydrogen mixes where hydrogen improves heat input and bead appearance.
Fuel purity is referenced to ISO 14687, while shielding gas mixtures conform to EN ISO 14175 (group R1 and R2 for reducing mixtures).
In austenitic stainless steel and nickel alloys, 2% to 5% hydrogen in argon produces a hotter arc, faster travel speed and cleaner weld surface. It is not suitable for carbon steel or ferritic grades, because of hydrogen cracking risks. Fuel cells, in contrast, need extremely low carbon monoxide and sulfur.
The two uses differ in what counts as a problem. For a fuel cell, a few ppm of carbon monoxide can cause lasting loss of performance, while for welding the main concern is correct hydrogen content and moisture. Always check the welding procedure qualification before using a hydrogen-bearing shielding gas, ensure sufficient ventilation, and keep a suitable detector near the cylinder area, since hydrogen is flammable at concentrations far lower than many people expect. We can propose separate cylinder stores for fuel hydrogen and for argon-hydrogen mixtures, clearly labelled, so that gases for each purpose never get mixed up in a busy workshop. Fuel cell projects often begin with a small demonstration and grow into pilot plants, so we plan the cylinder and manifold arrangements so that they can be extended later without replacing the first regulators and valves.
🏭 Where Hydrogen Is Used
- 🔋 PEM fuel cells — laboratory stacks and demonstrators run on high purity H₂ from cylinders;
- 🔥 TIG welding — Ar/H₂ mixtures give deeper penetration on stainless piping and tanks;
- ⚙️ Plasma cutting and welding — reducing gas mixtures improve edge quality on non-ferrous alloys;
- 🚀 Backup power — cylinder-fed fuel cell units supply telecom and monitoring sites.
💡 Why Choose REAL GAZ
- ✅ Two needs, one supplier — fuel-grade hydrogen and welding mixtures together;
- 🧪 Controlled blends — gravimetric mixing for accurate hydrogen percentage;
- 🎯 Application guidance — advice on which alloys suit hydrogen-bearing shielding gas;
- 🔒 Fuel cell protection — purity checks for the contaminants that harm catalysts;
- 📄 Certificate of Analysis (CoA) — supplied with every order.
🔬 Quality Control & Safety
- gravimetric blending of argon-hydrogen mixtures;
- analysis of CO, CO₂ and sulfur compounds for fuel grades;
- homogeneity checks after blending;
- leak and pressure tests.
Cylinders comply with ADR / UN transport rules and relevant EN/ISO standards.
⚙️ Trusted Gas Solutions
Welders, engineers and fuel cell developers in Azerbaijan, Turkey, Georgia, Uzbekistan and the USA choose REAL GAZ for hydrogen for fuel cells and welding, with regulators and torch accessories from the same source.
REAL GAZ — hydrogen that powers and joins.