realengineering

realengineering

The Truth About Hydrogen

Added 2018-07-27 14:55:23 +0000 UTC

Once again finished this and reviewed the edit just a few hours before schedule. Finally properly back on schedule now. Won't happen again.

The Truth About Hydrogen

Comments

Very good video! Thank you for all the amazing content, you are a true contributor to people's education, thank you for this. One remark to your video however: H2 has a couple of advantages as you mention in the video (being able to charge quickly being one important one for the "mass" of people) but there is one key argument which is missing here. The materials required to produce a fuel cell and everything you need to run a H2 powered are far less limited than Lithium. When it goes to renewables, we shall not talk only about the electricity but everything around it. If we are using windmills, solar panels where there is wind or sun, hence far from where the "fuel" is used, then H2 is the only viable option to store the energy (with some other molten salt small facilities). Up to now, we only have big pumping/turbines (from one lake to another) and batteries to store large amount of electricity. We maxed out the capacity for water storage and are exhausting earth resources with Lithium extraction (there is no true recycling process for Lithium batteries by the way). The sun is located where there is no one, majority of the wind is also blowing where there is few consumers or low demand. Hence to extract the potential from renewables, we can either build an insane amount of power lines or produce H2 from sea water (African and South American coasts) with solar panels or windmills and transport it through high pressure pipelines (H2 has a very low viscosity, therefore friction losses are rather low). I believe this will unleash the potential for renewables in southern countries. Once H2 arrived in dense populated area, cars running on H2 are a lot less heavy and use less precious raw materials. Recycling these cars is therefore also a lot easier (because conventional). This is for me a couple of things making H2 a inevitable solution. Japan has a goal in this direction but France also decided to finance 100M€ per year to develop H2 solutions. Japan and France are not the least innovative countries in the world with a lot of talents and history for innovation. This is a strong message to the world we shall take into consideration. Ah, and finally, if we replace 50% of our cars with battery powered solutions, where is the grid to feed all this power to the batteries, all at the same time when people come back from work? Imagine all the copper and $$$ required to upgrade the infrastructure just for peak usage. This is just not realistic.

2018-07-30 18:09:37 +0000 UTC

This did a very good job of explaining the details and differences. Very well thought out and well done video.

2018-07-27 16:27:35 +0000 UTC

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