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Hydrogen is explosive when in contact with air.
Ammonia is stable so cheap to transport and easy to store.
I just blew my house up filling the kettle
3. HydroX-Cell(S)TM's ability to accept lower grade hydrogen relative to PEM technologies e.g. hydrogen derived from cracked ammonia, without further processing and clean-up, offering very beneficial operating cost outcomes.
A unique selling point of the alkaline fuel cell, whether developed around a liquid electrolyte (AFC Energy's original technology platform), or a solid membrane-based system as in the HydroX-Cell(S)TM, is the ability for ammonia to present a viable, low cost fuel compared to 99.999% hydrogen grades. This is important not only for base fuel commodity costs, but also in transportation and logistics costs which, in off grid or transportation applications, will drive to a large degree the underlying levelised cost of power from the fuel cell system.
Muscorum,
It's primarily advertised as a green Hydrogen system with zero emissions.
The Ammonia advantages are balanced out by the need to pay for and maintain an Ammonia cracker.
You still have to get planning permission through Haggis. Not so easy with a large tank of explosive gas.
It's less bad than petrol.
Haggis - I would think that over time ammonia will be more cost effective. There will be a payback period for the cracker perhaps but if you use a lot of fuel it may not take long.
Pure hydrogen tends to explode when coming in contact with air. Thankfully petrol doesn’t.
It just makes it more expensive to store and transport also planning authorities ar not going to want it near residential and shopping areas where most cars live.
No it doesn't explode on contact with air. But it does rise and therefore disperse, unlike petrol vapours which pool on the ground and spread.
Basher and filter alert.
Looks like we are back to hydrogen for dummies....
https://www.edmunds.com/fuel-economy/8-things-you-need-to-know-about-hydrogen-fuel-cell-cars.html
Andle, you're talking out of your ars*.... I work in the gas industry and H2 is no more dangerous than any other inflammable fuel gas.
I worked with Hydrogen in the chemical industry for 24yrs never had one incident with releases, tankers were delivered and we would connect up to our process, we made Amines for photographic industry, pipework was very robust as we're safety procedures.
Additionally, when it comes time to decommission a site, that's really easy, vs petrol or diesel tanks that would need cleaning in some way, and there's no risk of leakage into the ground, overall much safer.
Also, Coal gas was in use for centuries . It was 50% hydrogen. So where's the problem?
Petrol and diesel tanks need a vent in case of pressure build up in hot weather, the vent is also then a risk because the vapour escaping when it's hot could be ignited.
Hydrogen and Ammonia don't have any vent.
They will have a PRV ...pressure relief valve ....pointless having a vent line in a pressurised tank.
Of course we'll need ammonia - why would you build in additional cost of transporting H2 when ammonia harnesses a whole lot more H2 for the same volume ? If you have a remote area, the last thing you want to be doing is delivering H2 every whipstitch !
Only some sites will 'choose' Ammonia.
It's the cost of the Ammonia cracker that makes the big difference, not the supply of a cylinder or tank of fuel, which requires a lorry either way.
Also the size of the Ammonia cracker will increase the footprint of the system by another container, so it's more likely to be chosen for bug sites with a big EV Charger.
No it doesn't explode on contact with air. But it does rise and therefore disperse, unlike petrol vapours which pool on the ground and spread.
Monkey your wrong. it does explode on contact with air , when we vent it from our hydrogenator if you don't use steam in the vent line it will make a crack noise exploding, steam dissipates it and stops it exploding.
Ferroty, for clarity, I agree it explodes, and in this respect it is worse than some other fuels, the range of concentrations is high and the energy requirements are low. However I find nothing to indicate that that it spontaneously explodes when coming in contact with air, I. E. With no ignition source, which was the claim.
Perhaps in your situation the flow of gas along the pipe led to static electricity?
Needs an ignition source.
."According to the investigation, not all of the hydrogen gas was purged from the generator and was ignited by a fan or work light Rogers used as part of performing maintenance."
https://www.wect.com/story/14446058/investigation-sutton-plant-explosion-caused-by-hydrogen/
Southernhay,
I think that both AFC and investors need a Welcome Break.