Hyfindr Tech Talks Hydrogen | Fuel Cell | Technology

Hyfindr - Let us build the Hydrogen Economy together!
  • 0.0 (0)
  • TECHNOLOGY
  • UPDATED WEEKLY

Subscribe to never miss a technology innovation in the hydrogen economy! Hyfindr, a German startup, fuels the global hydrogen ecosystem with digital tools, expert knowledge, and a collaborative community. Gain insights through Hyfindr Tech Talks—your hub for advanced fuel cell technology, hydrogen education, and the best industry videos. Engineers, students, and professionals can dive deep into how the hydrogen economy works, exploring electrolyzers, zero-emission mobility, and real-world applications. Join us to unlock game-changing insights in the global hydrogen revolution!

  1. 10/23/2025

    #19 – Hyfindr Tech Talks – Hydrogen Tank Systems & Refueling | Jan Andreas – Argo-Anleg

    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 pressure regulation, Jan explains how systems deliver hydrogen at the right pressure to fuel cells or H₂ ICEs. They also cover refueling protocols, IR communication between vehicle and dispenser, temperature management (pre-cooling to ~–40 °C and tank 65 °C limits), and real-world deployments—from buses and 40-ton trucks to swappable MEGC cartridges on a hydrogen push boat. You’ll learn about: System boundaries: refueling interface, tanks with OTV/TPRD, GHU block, outlet to fuel cell/engine Pressure & regulation: stepping down 350/700 bar to stack/application requirements Sensing & control: pressure/temperature sensing, solenoids, communications (IR handshake) Refueling engineering: ramp control, flow rates, hot-spot formation, pre-cooling to manage heat Applications & sizing: ~5–6 kg (passenger cars), ~20–30 kg (buses/medium trucks), ~40–60 kg (heavy trucks), hundreds of kg for maritime with swappable containers LH₂ vs compressed H₂: cryogenic challenges (≈–253 °C), boil-off, and why compressed storage often wins on complexity Ideal for vehicle integrators, storage engineers, and hydrogen infrastructure teams designing safe, efficient H₂ systems end-to-end. Explore more at Hyfindr.com

    21 min

  2. 10/20/2025

    #18 – Hyfindr Tech Talks – Manufacturing Metallic Bipolar Plates at Scale | Fabian Kapp – Gräbener

    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 straightening for ultra-flat plates, and why cleaning, leak testing, and sealing are critical for quality and cost. He also shares practical lessons on OEE, staffing, and how to reduce scrap by controlling welding and base-material quality. You’ll learn about: Process flow: decoiling → hydroforming → cleaning → separation → laser cutting → laser welding → straightening → final clean → leak test → sealing → stacking Hydroforming details: pressure ranges, flexibility across materials/thicknesses, low tooling cost Laser operations: edge quality, port accuracy, 3D features, nitrogen assist Welding quality: fixturing/clamping, stitch seams, leak-tight designs around ports/fields Flatness & yield: straightening for stackability, scrap reduction, optical inspection Production reality: leak testing (pressure-drop/helium), staffing, maintenance windows, and OEE best practices Ideal for manufacturing engineers, operations leaders, and stack designers scaling fuel-cell production lines. Explore more at Hyfindr.com

    22 min

  3. 10/16/2025

    #17 – Hyfindr Tech Talks – Hydrogen Pressure Relief Valves & Safety Engineering | Olaf Schulenberg – Goetze KG

    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 regulate excess pressure, their internal mechanics, and the importance of certification, testing, and temperature resilience in hydrogen applications. The discussion highlights how robust valve design and monitoring systems prevent failures and maintain safe operating conditions across diverse hydrogen environments. You’ll learn about: How spring-loaded pressure relief valves function in hydrogen systems Safety principles and design features ensuring pressure control Testing & certification requirements for cryogenic and high-pressure use Applications in electrolyzers, storage systems, and LH₂ transport Maintenance and monitoring best practices for long-term reliability Perfect for engineers, safety experts, and hydrogen professionals focused on system integrity, certification, and pressure management in the hydrogen economy. Explore more at ⁠Hyfindr.com

    19 min

  4. 10/13/2025

    #16 – Hyfindr Tech Talks – Hydrogen Production & Carbon Intensity (SMR, Electrolysis, RNG) | Greg Powers – BayoTech

    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-recovery reactors, to using renewable natural gas (RNG) for carbon-negative outcomes, Greg explains the engineering trade-offs behind cost, efficiency, and emissions. You’ll learn about: Hydrogen pathways: SMR, electrolysis, coal gasification (context), and nuclear heat/electricity coupling Gross vs. net impacts: why compression, liquefaction, transport, and storage change CI Distributed SMR design: bayonet reactors, heat integration, and water/energy efficiency CI metrics: energy-based (gCO₂e/MJ) vs mass-based (kg CO₂/kg H₂) and how to translate between them Grid vs renewables: why CI varies by electricity mix; when electrolysis shines RNG credits & carbon math: capturing methane from waste streams and pathways to zero or negative CI Perfect for engineers, developers, and decision-makers who want a clear, technical view of hydrogen production and lifecycle emissions—without the politics. Explore more at ⁠Hyfindr.com

    30 min

  5. 10/09/2025

    #15 – Hyfindr Tech Talks – Pressure Regulators for Hydrogen | Jack Samways – Pressure Tech

    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) regulators, the decaying inlet effect, balanced main valves, and two-stage designs used for high-pressure systems. You’ll also hear where regulators fit across the hydrogen ecosystem—from electrolyzers and refueling stations to trucks, buses, and fuel cell stacks. You’ll learn about: Regulator basics: reducing 350–700 bar down to precise set pressures for fuel cells Flow vs. pressure requirements: orifice/Cv sizing for accurate delivery Stability & accuracy: decaying inlet effect, balanced main valve, and two-stage approaches Control strategies: manual set-and-forget vs air-loaded regulators with PLC control (ramp rates, temperature/pressure corridors) Where they’re used: electrolyzers (back-pressure regulation), H₂ refueling, and vehicle fuel cell systems Safety & standards (overview): responsiveness to J2601 fueling profiles, robust design practices aligned with hydrogen high-pressure expectations Perfect for system engineers, safety leads, and fuel cell integrators who need reliable pressure control across hydrogen applications. Explore more at Hyfindr.com

    23 min

  6. 10/06/2025

    #14 – Hyfindr Tech Talks – Fuel Cell System Optimization & Balance of Plant | Christoph Ley – AE Driven

    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, and how hybrid strategies (fuel cell + battery) handle peaks without sacrificing efficiency or lifetime. You’ll learn about: BoP fundamentals: anode/cathode/cooling loops and what to optimize first Gross vs. net efficiency: why compressor and auxiliary loads change the picture Pressure & airflow trade-offs: more power vs. efficiency, degradation, and hydrogen use Hybridization: sizing fuel cell and battery to meet load profiles and peak demands Lifetime & TCO: running at part-load, multi-stack strategies, and durability impacts Component selection: compressors, DC-DC, and cooling sized for the true operating zone Perfect for system engineers, integrators, and product owners aiming to hit performance targets while protecting lifetime and total cost of ownership. Explore more at Hyfindr.com

    22 min

  7. 10/02/2025

    #13 – Hyfindr Tech Talks – The Basics of Fuel Cell Balance of Plant (BoP) | Christoph Ley – AE Driven

    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 stack function efficiently. You’ll learn about: The core function and components of a PEM fuel cell. What the Balance of Plant (BoP) includes (anode, cathode, cooling, and power electronics). How high-pressure hydrogen is regulated for the anode system. The role of the cathode system in providing oxygen and membrane hydration. The challenges and timeline involved in selecting the right components for a system design. This episode is perfect for engineers, researchers, and hydrogen professionals interested in the architecture, integration, and development of functional fuel cell systems. Discover more at Hyfindr.com

    20 min

  8. 09/29/2025

    #12 – Hyfindr Tech Talks – Fuel Cell DC-DC Converter Design and Future | Thomas Vetter – Aradex

    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 play in the transition to higher system voltages (e.g., in trucks) which allows for smaller, lighter, and cheaper cables. You’ll learn about: Why step-up DC-DC converters are needed for fuel cell technology. The working principles and components of fuel cell DC-DC converters. Challenges related to increasing the step-up ratio to meet higher target voltages. The impact of switching frequency on converter size and efficiency. Future developments in DC-DC converters, including the role of FPGA and Electro Impedance Spectroscopy (EIS). This episode is perfect for engineers, researchers, and hydrogen professionals interested in power electronics, fuel cell system design, and the push towards higher voltage hydrogen applications. Discover more at Hyfindr.com

    19 min
See All (19)

About

Subscribe to never miss a technology innovation in the hydrogen economy! Hyfindr, a German startup, fuels the global hydrogen ecosystem with digital tools, expert knowledge, and a collaborative community. Gain insights through Hyfindr Tech Talks—your hub for advanced fuel cell technology, hydrogen education, and the best industry videos. Engineers, students, and professionals can dive deep into how the hydrogen economy works, exploring electrolyzers, zero-emission mobility, and real-world applications. Join us to unlock game-changing insights in the global hydrogen revolution!

Information