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KEYOU GmbH
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  5. Hydrogen Mobility Solutions

Hydrogen Mobility Solutions

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Past hydrogen engines have been clean but delivered low performance and involved complex adaptation work. KEYOU changes the paradigm by transforming existing diesel engines into hydrogen engines in the most effective way, by smartly utilizing the same base components and just upgrading the core sub-systems necessary for an optimal hydrogen combustion operation.
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The 12m city bus and the 18t truck will be presented live to a broad audience for the first time in September at this year’s IAA Transportation. In the fourth quarter of 2023, we will start a pioneer program delivering the first H2 trucks to pre-selected customers.
The vehicle industry is challenged to develop technologies that can be easily and quickly integrated into existing engine platforms. Moreover, it should make existing diesel or gasoline engines clean and more efficient. We show how a highly efficient hydrogen engine can be developed.
INNOVATIVE CONCEPT
We developed a proprietary low-temperature lean combustion concept that results in obtaining the highest performance with the lowest emissions.
HYDROGEN SYSTEM
The engine control system optimizes the management of the injection, air-charging, and ignition sub-systems, which have all been tailored for H2 burn. Some key mechanical components were improved for high durability.
MAXIMUM PERFORMANCE
A smart engine operating strategy with the selected setup takes advantage of the H2-fuel properties allowing: high power densities(27 kW/L), high low-end torque (90% of maximum torque at 900 rpm), and high brake efficiency (peak of 44.5%).
ZERO EMISSION
H2 combustion emits water vapor. Traces of CO2 originating from the lubricating oil are close to zero, as are NOx emissions due to the low combustion temperature achieved.
ROBUST & COST-EFFECTIVE
Build on top of a mature diesel engine base platform, KEYOU’s H2-Engine offers the same high reliability and durability as Diesel engines. Due to the low modification effort and the fast integration of new components, the extra cost to pay is low.