London’s first hydrogen-powered ambulance will utilise an NPROXX hydrogen storage tank system capable of storing up to 8kg of compressed gas at a nominal pressure of 350 bar.
The new zero-emission ambulance is expected to be delivered to the London NHS Trust service this autumn by ULEMCo and partners.
NPROXX has worked closely with ULEMCo to assist in the design of the conversion, deriving a design solution that places the hydrogen storage tank in the roof space of the ambulance.
This will give the ambulance a payload of up to 900kg while offering a low-floor chassis for easy patient access.
Named ZERRO, the prototype vehicle will be powered by a combination of a 30kW fuel cell with NPROXX’s type IV pressure vessel and a 400V 92kWh battery.
The fuel cell will act as a range-extender to charge the battery when needed and will give the ZEROO an expected average daily range of 200 miles and a top speed of 90mph.
Philipp Breuer, Sales Manager (Automotive & Heavy-Duty Vehicles) at NPROXX, said, “Emergency ambulances need to be ready to go at any time, so speed of re-fuelling and range are key factors when looking to transition these vehicles to a decarbonised energy source.
“This project is designed to show that a hydrogen fuel cell solution can offer a clear advantage over battery electric power alone.
“We expect that this ambulance will be able to travel significantly further and refuel faster than a battery-powered equivalent.”
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