Hydrogen TRIZ Cases
- Chemical Looping Combustion with Intermediate Catalytic Steam Reforming
Segments reduction zones with intermediate reforming to boost methane conversion using low-cost ore oxides.
- Methane Recovery from Natural Gas Hydrate via CO2-N2 Replacement
Injecting a CO2 and N2 mixture into natural gas hydrate displaces methane without dissociating the hydrate layer, preventing geological subsidence.
- Saturator Heat Exchange Segmentation for Natural Gas Reforming
Segmented heat exchange units recover thermal energy from synthetic gas while maximizing water vapor content in discharged natural gas.
- Fuel Cell Heat Exchanger Pipes Variable Diameter Flow
- Multilayer Polymeric Sheet for Electrolytic Capacitor Sorption
An intermediate layer containing getter materials absorbs contaminants while a protective barrier prevents electrolyte decomposition.
- Liquid Metal Reactor for Hydrocarbon Decomposition
A liquid metal reactor decomposes preheated hydrocarbon gas into hydrogen and solid carbon, achieving high conversion rates while minimizing CO2 emissions.
- Ni-Pt-ZrO2 Catalyst for Syngas via Oxy-Dry Reforming
A Ni-Pt-ZrO2 nanocrystalline catalyst produces syngas through oxy-dry reforming of methane at atmospheric pressure.
- Hydrogen Generator Heat Insulation for Catalyst Durability
A hydrogen generation apparatus uses a heat transfer suppressing unit to maintain consistent catalyst temperatures.
- Biochar and Hydrogen Production from Fermented Straw
Pre-fermenting straw reduces tar during carbonization, while pressurized catalytic reforming of biogas slurry yields hydrogen under mild conditions.
- Fuel Cell Startup via Reformer Heat Recovery
A fuel cell system recovers high-temperature exhaust gases from a reformer to heat internal stack portions.
- Fuel Cell Startup Control via Dynamic Reforming Reaction Sequencing
Dynamic reforming reaction sequencing prevents carbon precipitation and catalyst deterioration during rapid fuel cell startup.
- Fischer-Tropsch Tail Gas CO2 Removal for Syngas Optimization
Removes carbon dioxide from Fischer-Tropsch tail gas to optimize syngas composition.
- Hindered-bed settler slag carbon reduction
A hindered-bed settler separates lighter carbon particles from denser ash in gasification slag using density-based fluidization.
- Hydrogen Generator Desulfurization Segmentation
A hydrogen generator divides desulfurization into sequential units to stabilize raw material gas flow rates.
- Fuel Cell Hydrogen Flow Sequence for LOHC Energy Systems
A fuel cell processes hydrogen from an LOHC reactor before supplying it to a heating device.
- Integrated Calcination and Syngas Production Reactor
An integrated calcination and syngas production reactor combines carbonate decomposition with catalytic conversion in a single unit.
- Chemical Looping Combustion Gas Splitter for Syngas Segmentation
A chemical looping combustion system uses a gas splitter to divide syngas into separate reduction and combustion streams.
- Fluidized Bed Methane Synthesis from Wood Gasification
A fluidized bed catalyst converts hydrogen and carbon monoxide into methane using a nickel-based system.
- Reformer Gas Combustion Using Pure Oxygen to Reduce NOx
Replacing air with pure oxygen for fuel gas combustion eliminates nitrogen input, thereby reducing NOx emissions and improving heat transfer efficiency.
- Hydrogen Generator Cooling via Heat Recovery
A hydrogen generator cools its reformer using air from a combustion fan while recovering thermal energy in a heat exchanger.
- Hydrogen Absorption Alloy Composition for Ni-MH Battery Cycle Stability
Optimized Mg and Ca content in a Ce2Ni7-type hydrogen absorption alloy resolves the trade-off between high discharge capacity and poor cycle performance.
- Plasma Hydrocarbon Splitting for Synthesis Gas
Plasma splitting of hydrocarbons yields carbon and hydrogen, enabling adjustable H2:CO ratios through Boudouard and Water-Gas Shift reactions.