Eerste waterstofbus met backup-accu

The first hydrogen-electric bus on Singapore roads, GreenLite, is the result of a joint research project between NTU and Beijing’s Tsinghua University. As it does not run on fossil fuel, GreenLite has zero carbon emission and only emits clean water. Unlike conventional buses, GreenLite is not powered by a combustion engine, which makes travelling on it a pleasantly quiet ride.

NTU’s President, Professor Su Guaning said: “Sustainability research and development is a key thrust for NTU. As one of the world’s largest engineering universities, we want to play a part in contributing to new engineering solutions that are not only cutting-edge, but also sustainable and friendly to the environment. Through GreenLite we hope to introduce clean technology in public transport to people in Singapore as well as the young athletes at the Youth Olympic Games”.

With professors and researchers from both NTU and Tsinghua University complementing each other’s expertise, the research project was completed within just seven months.

GreenLite is powered by two sources of energy – hydrogen and lithium-ion batteries. A fuel cell system housed on board the bus acts as an “energy converter” that converts hydrogen into electricity which powers the bus and charges the batteries when necessary.

Unlike other hydrogen fuel cell buses which typically have capacities of between 80kW to 150kW, this unique dual design combining a proton exchange membrane (PEM) fuel cell stack with lithium-ion batteries enables the bus to run on a fuel cell power capacity of only 40kW.

Check out an extensive report by ChannelNewsAsia.com here.

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