Hydrogen Production TRIZ Cases

Internal heat and pressure control in a hydride reactor prevents reactant evaporation and delivers stable, uniform hydrogen without extra compression.

Regulated fluid flow and channel surface contact let metal hydride systems deliver stable hydrogen output across varying demand rates.

Separating acid and water, then mixing on demand, enables compact chemical hydride hydrogen generation while reusing fuel-cell water.

A blade-regulated carrier layer on a conveyance belt keeps hydrogen generation uniform, improving energy density and reducing refueling frequency.

A heated conveyance belt drives solid-carrier hydrolysis with controlled water, improving hydrogen output, energy density, and byproduct recovery.

Precise microdroplet water delivery and heating stabilize sodium borohydride hydrolysis, improving hydrogen output, energy density, and safety.

Feedback control keeps the solid hydrogen carrier layer uniform, improving reaction consistency and long-term hydrogen yield.

Controlling fluid flow and contact area in a metal hydride reactor enables stable on-demand hydrogen output without tank storage volatility.

A staged ammonia reformer uses reformate combustion and preheating to cut startup delay, improve thermal control, and raise H2 conversion.

Recycled fuel-cell water reacts with aluminum and residual alane to generate extra hydrogen and heat for high-density aircraft power.

Captured CO2 is reacted with alkaline solution and zero-valent metal to generate hydrogen on-site for oilfield equipment with lower emissions.

Visible-light electron transfer from a supported donor boosts hydrogen release from boride sheets at normal pressure, improving fuel-cell supply safety.

Ambient catalytic water splitting of aluminum generates hydrogen for remote oilfield equipment without high-temperature processing or combustion emissions.

A pumpable metal slurry reactor enables compact, on-demand hydrogen generation with flow-based rate control and gas separation.

Controlled acid-water ratios and homogeneous ruthenium catalysis raise hydrogen yield from solid hydrides while limiting corrosion and water loss.

Activated aluminum particles in an inert carrier fluid turn metal fuel into a storable slurry that generates hydrogen and heat when mixed with water.

A two-stage allothermal-autothermal reactor uses waste heat and controlled oxygen to raise hydrogen recovery while reducing energy use and NOx.

Recycling unreacted NH3 enables reforming at higher pressure and lower temperature, delivering a compact hydrogen process for downstream use.

Thermal shock creates an activated aluminum composite that overcomes passivation for safer, high-yield hydrogen generation in water.

Hot ATR or POx outlet gas drives endothermic NH3 reforming to raise syngas H2 content without added hydrogen supply.

A tailored Ni-Cr alloy composition helps ammonia cracking tubes resist nitriding while maintaining high-temperature creep rupture strength.

Hot gas from metal-water oxidation supplies hydrogen and recycled heat for iron oxide reduction, cutting electrical demand and CO2 emissions.

A two-chamber reactor keeps the first zone at 410°C or lower and uses nickel alloy in the second to limit nitridation and stabilize hydrogen output.

Particulate metal and organic feed are reacted with oxidant to sustain high-temperature flames while limiting agglomeration and producing hydrogen and CO.

Process water from aluminium salt slag sustains aluminium waste hydrolysis for near-complete hydrogen generation without NaOH, KOH, or external heat.

Integrated cooling in a water-reactive hydrogen reactor controls heat and steam, enabling high-pressure output without bulky support equipment.

A coaxial catalyst layout places precious and non-precious metals in separate zones to shield heat-sensitive ammonia cracking catalysts and extend life.

A detachable catalytic housing lets dihydrogen generators be cleaned, refilled, and reused while enabling catalyst recovery and lower disposal costs.

A rotating arm delivers water in a spiral pattern to solid hydride fuel, enabling low-pressure, on-demand hydrogen generation with safer storage.

A UV-activated noble metal reactor cuts external energy demand and maintains water content for continuous hydrogen production.

External hydrogen adjusts syngas to a 2:1 H2/CO ratio for methanol production, avoiding water-gas shift CO loss and added cost.

Coarse metal grains and controlled dosing generate hydrogen from water while lowering dust explosion risk and hydrogen loss.

A MnO2-MgO graphite nanocomposite speeds NaBH4 hydrolysis for safer, lower-cost hydrogen release without noble metal catalysts.

Condensing water vapor from sulfur-free flue gas recovers heat to preheat, evaporate, and superheat ammonia before cracking.

NaBH4 hydrolysis with a CoO/CaSiO3@g-C3N4 nanocomposite generates hydrogen without high-pressure storage, cutting cost and safety risk.

Electrically heated reforming replaces fired heating, while residual gas powers a fuel cell or gas engine to cut CO2 and improve hydrogen production efficiency.

The case uses a CaMoO4–CaSiO3–g-C3N4 catalyst to hydrolyze NaBH4 at 20–75°C, releasing hydrogen without noble metals.

Electricity-intensive hydrogen production is addressed by using a mechanical mill to turn desert sand into nanoparticles that react with water.

CO2 and steam reforming with cerium-supported noble metals supports high methane conversion while limiting coke and tolerating sulfur-containing feeds.

Induction heating transfers process heat through susceptors, supporting fluidized-bed production of green hydrogen and syngas without direct solar radiation.

A screw conveyor moves solid hydrogen carrier through a water-containing liquid, promoting continuous hydrolysis with less excess water.

Pre-heated gas begins catalytic conversion outside the furnace, reducing main-tube heat duty and eliminating separate pre-reactor equipment.