3 ms·
It's advantage is that fact that it stores multiple orders of magnitude more energy than anything else, at a cost level that is orders of magnitude cheaper too.
by Hypx_ 5y ago
It's advantage is that fact that it stores multiple orders of magnitude more energy than anything else, at a cost level that is orders of magnitude cheaper too. It's a matter of when, not if, hydrogen becomes the primary energy storage mechanism.
Storing hydrogen underground has existed for decades. It's already been accepted by people in the industry that this is a solved problem.
- ncmncm 5y agoYet, the article you cited yourself says the opposite: that it needs study to determine its practicality. I don't doubt that whatever problems turn up will be solved, in time. Underground storage of liquified hydrogen, rather than gas under high pressure, seems like a great idea, since earth is such a good insulator, but they don't seem to be talking much about LH2. The methods used to oxidize H2 seem to produce a great amount of waste heat. If you have uses for the heat, that may be not so bad. But producing power from stored H2 at GW rates would produce more heat than is easily used on the same schedule as the power is demanded. The heat could also be banked underground, maybe, but there remains the problem of delivering it where it is actually needed.
- Hypx_ 5y agoI don't think you are even trying to read what they are saying. All they're testing is how well the hydrogen will stay underground and how tight the seal is for all of the various formations. We already know it works.
- ncmncm 5y agoThe only GW-scale H2 storage I find is the project in Utah, which starting 2025 and for the foreseeable future will be used to augment CH4 combustion to drive turbines.
- Hypx_ 5y agoIt's the only one with real notoriety right now. But there are many projects. For example: https://www.business-live.co.uk/economic-development/equinor-sse-announce-humber-hydrogen-21055202 https://www.business-live.co.uk/economic-development/equinor...
- ncmncm 5y agoThese appear to be carbon-capture CH4 extraction projects. And, as in Utah, they seem to be planning to burn the hydrogen mixed into CH4 to drive turbines. The storage appears to be pumping H2 into existing CH4 wells, although it is hard to tell. I am anyway still not seeing any big H2 fuel cell projects, never mind solar/wind -> H2 -> fuel cell.
- Hypx_ 5y agoAll of this is part of a large program by the UK to switch to hydrogen: https://www.gov.uk/government/publications/uk-hydrogen-strategy https://www.gov.uk/government/publications/uk-hydrogen-strat... What you're doing is just concern trolling, and suggesting that just because a program won't instantly get to zero emissions it is somehow not real. Meanwhile, electric cars are still being charged up mostly by fossil fuels, a fact that cannot change on the large scale without green hydrogen. Somehow, this fact is never brought up in every anti-hydrogen attack. A gas turbine can get you up to 60% efficiency BTW. While fuel cells are arguably the better idea in the long run, it is not a huge problem to use gas turbines for now.
- ncmncm 5y agoThere are no "anti-hydrogen attacks", aside from Hindenberg scaremongering. Instead, there are legitimate comparisons of hydrogen and other possible storage media. Harassing people for discussing such comparisons, and posting dubious assertions about hydrogen's maturity as a storage medium, does hydrogen and you no favors.
- Hypx_ 5y agoPeople have made the comparison and concluded that hydrogen is the answer. This is why there is now tens of billions of dollars in investment in hydrogen related technology. The naysayers are already proven wrong and now its turning into outright denial of current events.