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Bosch to supply fuel-cell components to cellcentric

Major order for innovative powertrain solution

  • Long-term supply agreement with cellcentric, the 50:50 joint venture between Daimler Truck AG and Volvo Group AB, for electric air compressors with integrated power electronics.
  • For use in fuel-cell systems for heavy trucks and other on- and off-highway applications.
  • Large-scale production to begin around the middle of the decade.

Stuttgart, Germany – Fuel cells are finding their way onto the roads around the world. For Bosch, the next milestone in this development is a major order for electric air compressors with integrated power electronics. These compressors govern the fuel-cell system’s oxygen supply. Bosch has signed a long-term agreement with cellcentric to supply this high-tech component. A 50:50 joint venture between Daimler Truck AG and Volvo Group AB, cellcentric is responsible for all activities along the entire value chain. Like Bosch, the joint venture aims to become a leading global manufacturer of fuel-cell systems and thus to help make transportation climate neutral and sustainable by 2050. The air compressor will be part of the cellcentric fuel-cell system that will feature in heavy trucks and stationary applications in the future. Large-scale production is set to begin from around the middle of the decade.

Fuel cells make commercial vehicles climate neutral

In fuel cells, hydrogen reacts with atmospheric oxygen to produce electrical energy as well as water and heat. Running a fuel-cell powertrain on hydrogen that is green – in other words, produced using renewable energy – makes the vehicle climate neutral. As the electric air compressor supplies the required amount of filtered air, it is one of the core components of a fuel-cell system. “Bosch is devoting a huge effort to developing this component. For example, we have 15 cross-divisional teams working to commercialize the electric air compressor,” says Dr. Uwe Gackstatter, president of the Bosch Powertrain Solutions division. Bosch offers the air compressor in two power classes – 20 and 30 kilowatts. The 30-kilowatt class is rated for voltages from 450 to 850 volts, while the 20-kilowatt class is rated for either 250–450 volts or 450–850 volts. The compressor wheel reaches speeds of more than 100,000 rpm. “The combination of a high-speed electric motor with integrated power electronics enables easy system integration at competitive manufacturing costs,” Gackstatter says. In addition, the silicon carbide semiconductors used in Bosch power electronics make this powerful component particularly efficient. It is features such as these that cellcentric was looking for.

High-tech product secures jobs

With the air compressor, the greatest technical challenge lies in scaling up the production of the high-speed electric motors with their air bearings and power electronics from customized to large-scale manufacturing. Since the overall technical complexity is comparable with that of a diesel injection system for commercial vehicles, the effect of these systems on employment is a positive one. “This promising component secures jobs at our Homburg plant,” Gackstatter says.

Bosch is working on mobile and stationary fuel cells

Bosch believes that hydrogen has a bright future as an energy carrier, and is making considerable upfront investments in this area. From 2021 to 2024, the company plans to invest around 600 million euros in mobile fuel-cell applications and a further 400 million euros in stationary ones for the generation of electricity and heat. The portfolio for vehicles ranges from individual sensors to core components such as the electric air compressor and the stack to the complete fuel-cell module.

About Bosch

Bosch has been present in Belgium since 1907. The Bosch Group employs approximately 1,050 associates in Belgium. The main sites are located in Tienen, Anderlecht and Mechelen.

The Bosch Group is a leading global supplier of technology and services. It employs roughly 428,000 associates worldwide (as of December 31, 2023). According to preliminary figures, the company generated sales of 91.6 billion euros in 2023. Its operations are divided into four business sectors: Mobility, Industrial Technology, Consumer Goods, and Energy and Building Technology. As a leading IoT provider, Bosch offers innovative solutions for smart homes, Industry 4.0, and connected mobility. Bosch is pursuing a vision of mobility that is sustainable, safe, and exciting. It uses its expertise in sensor technology, software, and services, as well as its own IoT cloud, to offer its customers connected, cross-domain solutions from a single source. The Bosch Group’s strategic objective is to facilitate connected living with products and solutions that either contain artificial intelligence (AI) or have been developed or manufactured with its help. Bosch improves quality of life worldwide with products and services that are innovative and spark enthusiasm. In short, Bosch creates technology that is “Invented for life.” The Bosch Group comprises Robert Bosch GmbH and its roughly 470 subsidiary and regional companies in over 60 countries. Including sales and service partners, Bosch’s global manufacturing, engineering, and sales network covers nearly every country in the world. The basis for the company’s future growth is its innovative strength. At 136 locations across the globe, Bosch employs some 90,000 associates in research and development, of which roughly 48,000 are software engineers.

The company was set up in Stuttgart in 1886 by Robert Bosch (1861–1942) as “Workshop for Precision Mechanics and Electrical Engineering.” The special ownership structure of Robert Bosch GmbH guarantees the entrepreneurial freedom of the Bosch Group, making it possible for the company to plan over the long term and to undertake significant upfront investments in the safeguarding of its future. Ninety-four percent of the share capital of Robert Bosch GmbH is held by Robert Bosch Stiftung GmbH, a charitable foundation. The remaining shares are held by Robert Bosch GmbH and by a corporation owned by the Bosch family. The majority of voting rights are held by Robert Bosch Industrietreuhand KG, an industrial trust. The entrepreneurial ownership functions are carried out by the trust.

Additional information is available online at www.bosch-press.be, www.bosch.be, www.bosch.com, www.iot.bosch.com, www.twitter.com/BoschBelgium, www.linkedin.com/company/bosch-belgium/ and YouTube: Bosch Belgium

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