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The challenges in of hydrogen make it less practical than batteries. Storage at 10,000psi, incredible upper and lower explosive limits, hydrogen embrittlement e
by VBprogrammer 6y ago
The challenges in of hydrogen make it less practical than batteries. Storage at 10,000psi, incredible upper and lower explosive limits, hydrogen embrittlement etc.
Have you ever met a truck mechanic who didn't perpetually smell of diesel? Do you want them working with explosive gasses instead?
- boringg 6y agoGas is as combustive as hydrogen - so not sure what you are referring to as a mechanic. Hydrogen leaks much faster and dissipates quickly into the atmosphere (unlike gas/diesel) defusing the risk of combustion (flip side is much harder to contain and systems need to be tighter). However if it gets caught under pressure it has a risk to it.
- VBprogrammer 6y agoGasoline has an upper and lower explosive limit of 2% to 7%. What this means is by storing it in a moderately well sealed container it quickly becomes too rich to support combustion. Hydrogen is 4% to 75%. This means almost any concentration of hydrogen and oxygen is flammable.
- boringg 6y agoI should have responded to your original comment - hydrogen and batteries have very different potential range of applications and both of them have a place in the future of our energy systems. To your flammability point - yes that is true - there are other advantages to Hydrogen being that it lighter than air and dissipates relatively quickly (diffusing the explosion risk) and that it is no toxic. Where as in the case of a car accident gasoline pools underneath the car and remains on site and a continued risk. There are disadvantages to Hydrogen as well - the flammability has to be managed, its a pernicious molecule and causes embrittlement. All solvable through engineering.