AI discussion exploring the science behind splitting water, the role of solar energy and frequency tuning, and the thermodynamic realities of on-board hydrogen generation.

  • Thermodynamic Reality & Bond Energy: Splitting water (H_2O) into hydrogen and oxygen requires overcoming the fundamental O-H bond energy, with a minimum standard enthalpy change of 286 \text{ kJ/mol}. Water is a spent, low-energy ash, meaning it cannot serve as a self-sustaining fuel source.
  • The Limits of On-Board Water Fuel: Systems that attempt to use a vehicle’s engine power to split on-board water via electrolysis and then burn that gas run into a fatal energy deficit. Because an internal combustion engine is only 20% to 35% efficient and electrolysis requires substantial energy input, the process consumes more energy than it yields, creating a net loss.
  • Resonance, Harmonics, and Infrared Limitations: While injecting energy tuned to molecular vibrational frequencies or electrical harmonics can optimize an electrolyzer’s efficiency (by reducing overpotentials and clearing gas bubbles), it cannot bypass the thermodynamic floor. Furthermore, infrared light from the sun does not penetrate deep into water or drive bond cleavage; it simply converts into thermal heat.
  • Solar-to-Hydrogen (STH) Potential: Harnessing the sun to produce hydrogen is a valid, large-scale technology (using photoelectrochemical cells, tandem semiconductors, or concentrated solar thermochemical cycles), but it requires external solar collectors and substantial infrastructure rather than closed-loop vehicle recycling.
  • Miniaturizing Solar Harvesting: To capture a broader bandwidth of the solar spectrum in a compact footprint without massive industrial machinery, advanced materials science relies on nanoscale solutions:
    • Plasmonic Nano-Antennas: Metallic nanostructures that capture a massive bandwidth of solar radiation (UV, visible, and near-infrared) and concentrate it into microscopic energy hotspots.
    • Z-Scheme Heterojunctions: Stacked nanowire arrays that mimic natural photosynthesis to absorb multiple energy levels concurrently.
    • Hot-Carrier Injection: Directly transferring energetic electrons from nanoparticles into reaction intermediates to skip bulk electrical conversion steps.

 

Bottom Line,  We have not figured it out yet.   In the mean time have you considered a national CNG network of filling stations across the country?

🙂

LeRoy