Symbio, the fuel cell joint venture backed by Forvia, Michelin, and Stellantis, has introduced its StackPack 75 hydrogen fuel cell system at the H2 & FC Expo in Tokyo, Japan. Designed for electric commercial vehicles and construction equipment, the system aims to enhance vehicle integration and efficiency.
The StackPack 75 delivers 75 kW of power and operates at a high temperature of 85 degrees Celsius, improving heat dissipation and reducing cooling system requirements. Symbio claims this allows for a smaller cooling unit and lower fan power consumption, ultimately saving energy.
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The system has a volume of 268 liters and weighs 200 kilograms, making it suitable for urban and intercity buses, light and medium-duty trucks, and off-road construction machinery.
Symbio plans to produce the StackPack 75 at its SymphonHy gigafactory, though the company has not disclosed a production timeline or volume targets.
However, it has confirmed that the system will be used in the Extreme H racing series in 2025, the hydrogen-powered counterpart to the battery-electric off-road competition Extreme E.
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Founded in 2019, Symbio began fuel cell production in France in December 2023. Initially supported by Michelin and Faurecia, the company expanded with a U.S. subsidiary in 2021 before Stellantis joined as a stakeholder in mid-2023.