Second, liquid nitrogen is used to purge the intertank connection of any potentially explosive hydrogen gas. However, liquid nitrogen can freeze around the bolts in that area and cause foam insulation to break off. The bolts in that area have been redesigned to prevent leaks of liquid nitrogen...
Some of that power can then be run back through the fuel cell to convert the stored water back to oxygen and hydrogen fuel through electrolysis. This system boasts very high efficiency, but is also massively complex and expensive to produce. The Invention of the Fuel Cell In 1839, Sir Willi...
Scitoys has a great tutorial on how to build a working hydrogen fuel cell with objects from around the house. And the best part is, the whole thing will take you 10 minutes or so, which makes this a perfect project to do with your attention-span-lacking kids to introduce them to renewa...
Hydrogen gas is not a very energy-dense fuel, meaning it contains littleenergyper unit volume compared to a liquid fuel likegasolineor methanol. So it is difficult to fit enough hydrogen gas into a fuel-cell powered car to give it a reasonable driving range. Liquid hydrogen has good...
Foul odor: When a vehicle’s battery is starting to die, it can start to give off an unpleasant smell, similar to rotten eggs. This is hydrogen sulfide gas, and it means you should get your battery looked at — and likely replaced — immediately. Corrosion: When you open the hood, you...
The fire ignited the hydrogen early in the flight, and the entire balloon burst into flames. But the main reason hot air balloons fell out of fashion was that new gas balloon dirigible designs were superior in a number of ways — chiefly, they had longer flight times and could be steered...
The whole mechanism is really simple: When you plug in the hair dryer and turn the switch to "on," current flows through the hair dryer. The circuit first supplies power to the heating element. In most hair dryers, this is a bare, coiled wire, but in models that are more expensive ...
The hydrogen bond between water molecules that we talked about in the first section is the reason behind two of water's unique properties: Water also has a high level ofsurface tensioncars Water's hydrogen bonds are also why its solid form,ice, can float on its liquid form. Ice is less...
Electrification is undoubtedly one of the most essential parts of the decarbonization process. While we are on track to meet our last-mile goal, we are also working to increase the use ofsustainable fuels, such as biofuels and hydrogen, and electric vehicles forheavy-duty transportto 30 percent...
Green hydrogen, which is generated using renewable energy sources, such as wind and solar. This is the cleanest but also the most expensive energy option Yellow hydrogen, which is produced using electrolysis; however, achieved only through solar power unlike green hydrogen, which can use solar and...