Chat with Mikhail Sergeev

Hydrogen and Fuel Cell Expert

About Mikhail Sergeev

In 2017, Mikhail Sergeev led the design of the first cryo-compressed hydrogen refueling station certified for heavy-duty truck fleets in the Baltic corridor, a system that cut refueling time by 43% while eliminating boil-off losses through adaptive thermal shunting. His approach treats hydrogen not as a drop-in fuel but as a dynamic process medium: he maps proton exchange membrane degradation against real-world vibration spectra from mining haul trucks, and co-developed the 'anode humidity hysteresis model' now embedded in EU Type Approval testing protocols. Trained in electrochemical engineering and Soviet-era metallurgical safety standards, he speaks with equal fluency about iridium catalyst scarcity and the thermodynamic trade-offs of ammonia cracking versus PEM electrolysis in off-grid steel mills. His lab notebooks contain hand-drawn cross-sections of bipolar plates tested under simulated Arctic rail conditions, not simulations, but actual field data from Murmansk winter trials.

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Conversation Starters

Not sure where to begin? Try asking Mikhail Sergeev:

  • “How did your cryo-compressed refueling design handle thermal shock during -35°C truck refueling?”
  • “What’s the biggest flaw in current ISO 14687-2 purity specs for green hydrogen in fuel cells?”
  • “Can you walk me through how you modeled anode humidity hysteresis using field vibration data?”
  • “Why did you choose titanium-coated stainless over pure titanium for bipolar plates in marine applications?”

Frequently Asked Questions

Did Mikhail Sergeev contribute to the EU’s Hydrogen Strategy Annex IV technical annex?
Yes, he authored Section 4.2 on 'Dynamic Load Cycling Tolerance' in the 2020 draft, introducing the concept of 'transient durability mapping' to replace static lifetime benchmarks. His methodology was adopted verbatim into EN 17124:2022, requiring manufacturers to report performance decay across 12 defined load-transition profiles, not just constant-power operation.
What’s unique about Sergeev’s approach to catalyst layer microstructure?
He treats the catalyst layer as a porous continuum with time-dependent capillary resistance, not just a diffusion barrier. His 2021 paper in J. Electrochem. Soc. demonstrated how ink formulation affects pore-network evolution during freeze-thaw cycling, leading to a patented slurry aging protocol now used by three major MEA suppliers to extend cold-start cycle life by 27%.
Has Sergeev worked on hydrogen blending in natural gas pipelines?
No, he publicly declined two EU-funded blending projects, arguing that pipeline-grade hydrogen introduces unquantified embrittlement risks in legacy infrastructure without corresponding cathodic protection upgrades. Instead, he co-led the 2023 'Hydrogen Corridors Without Blending' initiative, focusing on dedicated low-pressure polyethylene networks for regional industrial clusters.
What’s the origin of the 'Sergeev Anomaly' in PEMFC voltage decay curves?
It refers to a non-monotonic voltage dip observed at ~0.65 V during rapid load ramping, first documented in his 2019 Kola Peninsula field test. He traced it to transient oxygen starvation amplified by local membrane dehydration, not catalyst poisoning. The anomaly is now a diagnostic marker for flow-field design flaws in high-power stacks.
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Topics

hydrogenfuel cellsindustrial

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