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Australia's Commonwealth Scientific and Industrial Research Organization recently issued a press release announcing that the agency and Hanyang University in South Korea have developed a new material film that mimics cactus pores, which can significantly improve the performance of fuel cells and bring innovation
to the fuel cell vehicle industry.
Fuel cells produce energy
by mixing gases such as hydrogen and oxygen.
But the fuel cell's proton exchange membrane must be kept wet to function properly
.
The current solution is to place battery accessories such as radiators, water storage tanks and humidifiers in the car at the same time, which tends to take up a lot of space
in the car.
Researchers in Australia and South Korea took inspiration from cacti that grow in the desert, with pores on the surface of the cactus opening when the climate is humid and cool at night and closing during the day when the climate is hot and dry to keep itself hydrated
.
The new film they developed works on the same principle, with a surface covered with nanoscale "pores" that can be opened in a wet environment and closed in a dry environment, so as to keep the water from evaporating
at high temperatures.
According to the researchers, this means that the fuel cell can get rid of bulky external humidification equipment, and the film also increases the efficiency of the fuel cell in hot and dry environments by nearly 4 times
.
Australia's Commonwealth Scientific and Industrial Research Organization recently issued a press release announcing that the agency and Hanyang University in South Korea have developed a new material film that mimics cactus pores, which can significantly improve the performance of fuel cells and bring innovation
to the fuel cell vehicle industry.
Fuel cells produce energy
by mixing gases such as hydrogen and oxygen.
But the fuel cell's proton exchange membrane must be kept wet to function properly
.
The current solution is to place battery accessories such as radiators, water storage tanks and humidifiers in the car at the same time, which tends to take up a lot of space
in the car.
Researchers in Australia and South Korea took inspiration from cacti that grow in the desert, with pores on the surface of the cactus opening when the climate is humid and cool at night and closing during the day when the climate is hot and dry to keep itself hydrated
.
The new film they developed works on the same principle, with a surface covered with nanoscale "pores" that can be opened in a wet environment and closed in a dry environment, so as to keep the water from evaporating
at high temperatures.
According to the researchers, this means that the fuel cell can get rid of bulky external humidification equipment, and the film also increases the efficiency of the fuel cell in hot and dry environments by nearly 4 times
.
