Thermoelectric-Powered Hydrogen Injection System

Increasing combustion efficiency by using electricity generated from waste heat is the final purpose of a project between Hi-Z Technology and Dynamic Fuel Systems.

The waste heat is used to power an on-board electrolysis unit and this again produces hydrogen for supplementary injection into the intake port of an engine to achieve the aim.

The 180-watt thermoelectric generator (TEG) used in the project was the original proof-of-principle generator Hi-Z used for its 1 kW TEG later developed.

The Jetstar hydrogen generation unit normally draws power from the vehicle's electrical system. Use of the TEG generator reduces the parasitic load, further enhancing fuel economy. John Bass of Hi-Z presented the concept in a poster session at the Diesel Engine-Efficiency and Emissions Research Conference (DEER) 2006.

Supplemental hydrogen injection into the intake of engines can improve fuel efficiency while reducing emissions.

Related news: Foursprung, P4MR, hydrogen, thermoelectric

Source: Green Car Congress

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