Hyfindr Tech TalksHydrogen | Fuel Cell | Technology

What actually makes up a hydrogen tank system—and how do you refuel safely at 350/700 bar? In this episode of Hyfindr Tech Talks , Jan Andreas (Argo-Anleg) joins Steven Oji to break down complete hydrogen storage systems for vehicles and vessels. From the on-tank valve (OTV) and thermal pressure relief device (TPRD) to the integrated gas handling unit (GHU) with sensors, solenoid valves, and press...

How do you manufacture fuel-cell bipolar plates with high precision, high yield, and production-scale efficiency? In this episode of Hyfindr Tech Talks , Fabian Kapp (Gräbener) joins Steven Oji to walk through an end-to-end bipolar plate manufacturing line —from coil to stack-ready plate. Fabian explains hydroforming (up to ~2,500+ bar), precision laser cutting & welding , proprietary straight...

How do hydrogen pressure relief valves ensure safety across fuel cell and storage systems? In this episode of Hyfindr Tech Talks , Olaf Schulenberg (Goetze KG) joins Steven Oji to explain the engineering behind spring-loaded hydrogen pressure relief valves — a critical component for ensuring safety in electrolyzers, storage tanks, and liquid hydrogen systems. Olaf breaks down how these valves regu...

What’s the real carbon intensity of hydrogen—once you include production and delivery? In this episode of Hyfindr Tech Talks , Greg Powers (Chief Innovation Officer, BayoTech) joins Steven Oji to break down hydrogen production pathways and how to measure their carbon intensity (CI) across the full lifecycle. From steam methane reforming (SMR) vs electrolysis , to distributed SMR with high heat-rec...

How do pressure regulators deliver stable hydrogen pressure and flow for fuel cells, refueling, and electrolysis—safely and efficiently? In this episode of Hyfindr Tech Talks , Jack Samways (Pressure Tech) joins Steven Oji from the factory floor to unpack pressure regulator fundamentals and real-world hydrogen applications. Jack explains spring-loaded (manual) vs air-loaded (PLC-controlled) regula...

How do you tune a hydrogen fuel cell system for maximum efficiency, lifetime, and performance? In this episode of Hyfindr Tech Talks , Christoph Ley (AE Driven) returns to join Steven Oji for a deep dive into fuel cell system optimization —from stack operating points to Balance of Plant (BoP) choices. They unpack gross vs. net efficiency , the real cost of compressor power, cooling requirements, a...

What goes into designing a complete PEM fuel cell system? In this episode of Hyfindr Tech Talks, Christoph Ley (AE Driven) joins Steven Oji (Hyfindr) to break down the essential components and processes that make up the Balance of Plant (BoP) in a PEM fuel cell system. They explain how everything—from managing high-pressure hydrogen to cooling and air supply—is integrated to make the fuel cell sta...

What’s the future of DC-DC converters in the hydrogen industry? In this episode of Hyfindr Tech Talks, Thomas Vetter (Aradex) joins Steven Oji (Hyfindr) to discuss the use, design, and future of DC-DC converters in fuel cell systems. They explain why these converters are essential to adapt the fuel cell's direct current voltage to a vehicle's high-voltage system, and the crucial role they...

What role do cathode air blowers play in stationary hydrogen fuel cells? In this episode of Hyfindr Tech Talks , Marc Franzbäcker (Gebr. Becker GmbH) joins Steven Oji (Hyfindr) to explain the design and operation of cathode blowers for stationary fuel cell systems. From side channel technology to efficiency improvements, Marc highlights how modern blowers balance airflow, pressure, and energy cons...

Why are filters so critical in hydrogen fuel cell systems? In this episode of Hyfindr Tech Talks , Dominik Bauer (Solberg International) joins Steven Oji (Hyfindr) to explain the role of fuel cell air intake and cathode filters in protecting both equipment and the environment. From particle and oil mist removal to activated carbon filtration, Dominik shows how advanced filter design ensures clean...

Can hydrogen-powered portable chargers make EV charging more flexible and accessible? In this episode of Hyfindr Tech Talks , Jiří Vršínský (DEVINN) joins Steven Oji (Hyfindr) to discuss semi-autonomous hydrogen-powered mobile charging solutions for electric and hybrid vehicles. From the H2BASE generator to the H2BOT mobile charger, Jiří explains how hydrogen fuel cells, batteries, and smart power...

How does cascade management ensure safe and efficient hydrogen refueling? In this episode of Hyfindr Tech Talks , Rico Schöni (Eugen Seitz) joins Steven Oji (Hyfindr) to explain the pressure regulation systems that power modern hydrogen refueling stations. From mosaic valve technology to flow panels with 40 integrated valves, Rico shows how smart valve and sensor systems enable smooth pressure con...

How do you measure hydrogen purity and detect impurities like moisture and oxygen? In this episode of Hyfindr Tech Talks , Aleksandar Trajanovski (Panametrics, a Baker Hughes business) joins Steven Oji (Hyfindr) to explain the role of binary gas analyzers, moisture transmitters, and oxygen analyzers in hydrogen production. From ensuring PEM electrolyzer safety to meeting purity grades for industri...

What makes a hydrogen fuel cell stack efficient, durable, and ready for real-world applications? In this episode of Hyfindr Tech Talks , Roger Penn (AVL Fuel Cell Canada) joins Steven Oji (Hyfindr) to explain the engineering considerations behind fuel cell stack design. From voltage matching and thermal management to packaging, vibration resistance, and application-specific requirements, Roger sha...

How can hydrogen leaks and invisible flames be detected safely and reliably? In this episode of Hyfindr Tech Talks , Claudio Fecarotta (MSA Safety) joins Steven Oji (Hyfindr) to explain the latest hydrogen sensor technologies. From ultrasonic leak detection and catalytic sensors to advanced flame detectors, Claudio shows how multiple layers of sensing technology protect hydrogen refueling stations...

Bipolar plates are at the heart of hydrogen fuel cells and electrolysers but how are they formed, and why are they so critical to efficiency? In this episode of Hyfindr Tech Talks , Simon Brugger (CellForm) joins Steven Oji to explain the science and engineering behind fuel cell bipolar plates. From stainless steel forming and PVD coatings to precision laser welding, Simon reveals how bipolar plat...

How do inverters power hydrogen fuel cell and battery electric vehicles? In this episode of Hyfindr Tech Talks , Jon Duroudier (ePowerlabs) joins Steven Oji (Hyfindr) to explain how fuel cell inverters and motor controllers enable efficient, reliable powertrains for hydrogen and electric mobility. From conversion of DC to AC power, to torque control, cooling, and cloud connectivity, Jon breaks dow...

Solid oxide fuel cells (SOFC) and solid oxide electrolysis cells (SOEC) rely on advanced plate heat exchangers to manage extreme temperatures of up to 700 °C. In this episode of Hyfindr Tech Talks , Stephan Pflugfelder (smk – systeme metall kunststoff) joins Steven Oji to explain how heat exchangers enable efficiency, reliability, and safety in hydrogen fuel cell systems. You’ll discover: The diff...

Hydrogen refueling stations are a cornerstone of the hydrogen economy — but how do sensors, gauges, and measurement technology make them safe and reliable? In this episode of Hyfindr Tech Talks , Christian Wirl (WIKA) joins Steven Oji (Hyfindr) to explain the engineering behind hydrogen refueling station instrumentation. From pressure gauges with Swiss Movement technology to explosion-proof transm...