United Airlines and Airbus are working on ways to reduce emissions from air travel by using hydrogen and sodium ion batteries.
fuel cell engine. The propulsion system is being considered for use in the zero-emission aircraft it expects will enter service by 2035.ZEROe demonstrator aircraft
“Fuel cells are a potential solution to help us achieve our zero-emission ambition and we are focused on developing and testing this technology to understand if it is feasible and viable for a 2035 entry-into-service of a zero-emission aircraft,” said Glenn Llewellyn, vice president for zero emission aircraft at Airbus.
There are two ways hydrogen can be used as a power source for aircraft propulsion, the company says. First, via hydrogen combustion in a gas turbine. Second, by using fuel cells to convert hydrogen into electricity in order to power a propeller engine. A hydrogen gas turbine can also be coupled with fuel cells instead of batteries in a hybrid-electric architecture. An engine powered by hydrogen fuel cells produces zero NOx emissions or contrails, which adds additional decarbonization benefits.
“For the first time, two European leaders from different industries, are sharing engineering knowledges to shape the future of hydrid-electric aircrafts. Aviation is an extremely demanding field in terms of both safety and energy consumption, and so is the car industry.
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