A hydrogen fuel cell is comparable to a battery in that it can produce electricity without relying on combustion or emissions. But unlike batteries, fuel cells don’t need to be recharged, as long as they have access to a source of hydrogen and oxygen. Because proper battery disposal can ...
About Us: Here at HFN we explore answers to questions like what is a fuel cell, what is green hydrogen and what is the use of hydrogen. On this page we answer how hydrogen fuel cell is made but make sure to sign up for our free ebook that explains about what a hydrogen community is...
【解析】1.A主旨大意题。根据第一段中“Well,I willtell you how you can make a simple hydrogenfuel cell at home itself. "可知本题选 A。2.D 细节理解题。根据文章第二段“a9 voltbattery”可知需要的是九伏的电池而不是六伏。由此判断D项为本题正确选项。3.C细节理解题。根据第三段可知,需要九步...
It's a car powered by hydrogen (yes, it's that simple, folks). Hydrogen has been spoken about as The Next Big Thing every year for too many decades now. And yet it still hasn’t happened, but the fact it is the lightest and most explosive gas in the world might help explain wh...
Oxygen from the air (big turquoise blobs) comes down a second pipe to the positive terminal. The negative terminal (red) is made of platinum, a precious metal catalyst designed to speed up the chemistry that happens in the fuel cell. When atoms of hydrogen gas reach the catalyst, they ...
the results of which are based on the fuel that is used for the energy system. The electrolyte that is used in a fuel cell is highly dependent on the type of fuel cell it is. If hydrogen is used as a fuel, the anode acts as a catalyst that is capable of turning the fuel into el...
Discusses a research by engineers at the Laboratory for Energy and the Environment at Massachusetts Institute of Technology which refuted the notion that fuel-cell vehicles are non-polluting technology. Level of pollution from the ...
Hydrogen-electric vehicles, on the other hand, are powered by a hydrogen fuel cell, which combines compressed hydrogen gas and air to produce electricity that then powers the truck’s electric motor while releasing only water vapor into the atmosphere.
With a fuel cell, chemicals constantly flow into the cell so it never goes dead — as long as there is a flow of chemicals into the cell, the electricity flows out of the cell. Most fuel cells in use today use hydrogen and oxygen as the chemicals. ...
How a fuel cell worksOnce methane is converted to hydrogen inside the cells, the hydrogen is reacted to produce electrons, as described above. The reforming reaction also produces carbon dioxide. The high efficiency of fuel cells mean they emit less carbon dioxide per kWh of power generation ...