As much as we'd like to believe that there can't be negatives to sustainable energy and power sources, everything has pros and cons. Advantages: Sustainable: Green hydrogen doesn't produce any carbon emissions
Though engineers are concentrating on producing hydrogen from sources such as natural gas for the short-term, the Hydrogen Initiative has plans to look into renewable, environmentally friendly ways of producing hydrogen in the future. Because you can produce hydrogen from water through electrolysis, ...
Unfortunately most hydrogen is produced from fossil fuels by steam reforming natural gas, methane or coal gasification. When hydrogen is produced in this manner, it is not a very sustainable source of fuel. But, hydrogen can be manufactured using electrolysis to extract it from water, although it...
In 1839, the Welsh scientist Sir William Robert Grove took the familiar electrochemical process of electrolysis, which uses electricity to produce hydrogen from water, and reversed it, generating electricity and water from hydrogen. He called his invention a gas voltaic battery, but today we know ...
Another step forward for renewable energies: The production of green hydrogen could be even more efficient in the future. By applying an unusual process step, chemists at Martin Luther University Halle-Wittenberg (MLU) have ...
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Instead of putting electricity into the cell to split the water, hydrogen and oxygen combine to make water again, and produce electricity. For more detailed info on the battery and how it works, hop over to SciToys. And enjoy having the future of alternative energy in your kitchen. ...
But given that the global fleet of ships already uses hundreds of millions of tonnes of fossil fuels every year, how much hydrogen would need to be produced to decarbonise shipping? And how many gigawatts of renewables would need to be installed to power that scale of production?
The process sparking the innovation in the automotive industry starts with the electrolysis, ideally fuelled by a renewable source of electricity, of water (H2O), which essentially splits water into its fundamental components of hydrogen (H) and oxygen (O), and thereafter, the hydrogen is mixed...
Hydrogen fuel cells only need hydrogen and oxygen to generate electricity (and in some cases, they may use other fuels), and the fuel can be extracted from water via electrolysis. During electrolysis, two electrodes are placed into water and electricity is passed through them, then hydrogen and...