You are viewing a single comment's thread from:
RE: Fuel Cell: Running Our Cars From Hydrogen And Water (Does It Worth The Trouble?)
Hydrogen:
- has low energy density so it has to be liquefied or pressurized (not good),
- is leaky (hard to contain, it gets through everything),
- flammable (so dangerous),
- embrittles metals and other materials.
It would be better to produce liquid fuels from algae or bio-engineered bacteria.
Yes yes and even using electrolysers to split water into hydrogen is no cheap process as it costumes large amount of electrical energy.
I should have split the article into two and cover those too. However, I am glad you highlighted them. Thanks for the added information.
Regards.
@eurogee
Another issue is the efficiency of electrolysis. What would be cool is to use electrolysis in combination with renewable energies such as photovoltaics. If there is an excess in energy produced you could use that excess to run electrolysis of water and store the energy as hydrogen. I do think hydrogen will be a valuable source of energy that can be recycled. If we have better storage and more efficient means of electrolysis it can be very useful. Thank you for your post! Cheers!
Thanks so much for this valuable feed back. That's some more valid points you had just made. However, I don't think the world is ready for such tech now, taking into account of the cost and other disadvantageous factors.
@eurogee
Totally agreed! I actually build a solar cell powered electrolysis in my garden. It works, but it takes roughly 2 days to get 50 mL of non-comprimated hydrogen gas.... not very efficient sadly. I wanted to get a PEM fuel cell to use that gas (I’m not thinking economically here) but a medium sized PEM is super expensive. Anyways, maybe one day we can decentralize energy production with such set ups. I’m curious what the future holds. Cheers!
✌️✌️✌️