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Toyota: First Fuel Cell for Hybrid Use in Trains

With bimodal drive, the electric overhead line is combined with the fuel cell system, promising a significant reduction in CO2 emissions. International pilot project in a crucial phase.

Cleverly combined: The fuel cell is to work together with the overhead line drive in the Renfe commuter trains. | Photo: Toyota
Cleverly combined: The fuel cell is to work together with the overhead line drive in the Renfe commuter trains. | Photo: Toyota
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Johannes Reichel

The Japanese mobility company Toyota has found a promising application for its fuel cell technology and aims to make rail transport more sustainable. The first of six fuel cell modules for an emissions-free train have now been delivered. A corresponding prototype with a bimodal hybrid drive system is currently being developed as part of the European "FCH2RAIL" project, in which, in addition to Toyota, various international partners from Germany, Belgium, Spain, and Portugal are participating, as the manufacturer further outlined.

The commuter train provided by the Spanish state railway Renfe will receive a so-called "Fuel Cell Hybrid Power Pack". The bimodal drive system combines electric power supply from the overhead line with a hydrogen-powered fuel cell and battery system. Toyota is supplying the fuel cell modules, which are already known from the second model generation of the Mirai sedan. They have more power and higher density in a more compact package. In the flat configuration, they could also be easily integrated into the roof of the train, according to the manufacturer.

The Test on the Test Bench is Followed by Real-world Deployment

The fuel cell modules now delivered to the Spanish hydrogen research center Centro National de Hidrogeno (CNH2) will be tested on the test bench just like the batteries. Subsequently, the Spanish train manufacturer CAF will integrate the modules as part of the hybrid drive into the train. Once the integration is complete, the consortium will begin the first functional tests and trial runs for the approval process on Spanish and Portuguese tracks.

The project is funded by the technology initiative “Fuel Cells and Hydrogen 2 Joint Undertaking” (FCH 2 JU). The goal: to find a reliable and safe emission-free alternative for rail transport. On approximately every second rail line in Europe, diesel-powered trains are still in operation. The switch to a more sustainable drive has great potential to significantly reduce CO2 emissions and thus contribute to climate neutrality, according to the Japanese.

Translated automatically from German.
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