Green Car

BMW begins making fuel-cell stacks for iX5 Hydrogen

BMW has began manufacturing fuel-cell stacks for its iX5 Hydrogen SUV, which is predicted to start out low-volume manufacturing earlier than the top of the 12 months.

First seen on the 2019 Frankfurt Motor Present as the i Hydrogen Next, the iX5 Hydrogen is basically a BMW X5 crossover SUV that swaps out the internal-combustion engine with a fuel-cell stack that makes use of Toyota tech. The 2 automakers have been collaborating since 2013 on gas cells.

Toyota provides particular person gas cells, which harness a chemical response between oxygen and hydrogen, producing electrical energy. They’re assembled right into a stack at a facility in Munich, BMW stated in a press launch. That features a BMW-designed aluminum enclosure manufactured with a sand-casting course of during which molten aluminum is poured right into a mould. This labor-intensive course of would not be sensible for BMW’s common fashions, however is ok for a low-volume car just like the iX5 Hydrogen.

BMW hydrogen-electric powertrain

BMW hydrogen-electric powertrain

BMW additionally manufactures its personal strain plate, via which hydrogen and oxygen are delivered to the stack. It is produced from forged plastic and steel alloys on the similar Landshut, Germany, foundry because the stack enclosure.

The fuel-cell stack is mixed with BMW’s fifth-generation electric-powertrain {hardware} from the iX crossover and i4 sedan. Whole output is 374 hp, however that is achieved with a battery buffer that kicks in when accelerating or overtaking. The fuel-cell stack has a steady output of 170 hp by itself, in keeping with BMW.

BMW hydrogen-electric powertrain

BMW hydrogen-electric powertrain

The fuel-cell X5 is not due for quantity manufacturing however might assist decide how extensively it’d undertake the tech sooner or later. BMW is making room for hydrogen in its future automobiles—even perhaps within the platform underpinning the Neue Klasse EVs scheduled to debut in 2025.

Even this small-scale dedication to fuel-cell passenger vehicles more and more makes BMW an outlier within the auto trade.

Rival Mercedes-Benz has opted to not deliver the hybrid F-Cell fuel-cell EV to the USA, and is shifting fuel-cell growth sources to business vans. And different firms that have been large on the tech in passenger automobiles a number of years again—like General Motors, and even Hyundai—have pivoted to bigger truck makes use of.

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