EVERYTHING, absolutely EVERYTHING, is said in 30 minutes of this interview of October 8, 2020 ... Bravo Jean-Marc !!
But how does he manage to stay so "happy" ... at least in appearance ...
bardal wrote:On the other hand, I do not see what impacts it could have on global warming because of the leaks; the hydrogen is so light that it shoots directly towards the upper atmosphere, where simple Brownian motion is enough for it to reach the speed of release and to escape to outer space; it is therefore not stored in the atmosphere.
ENERC wrote:According https://www.nrcresearchpress.com/doi/pd ... 39/v75-482, the reaction constant is close to that of methane (3,9 against 3,4).
So the effect of hydrogen is almost the same as that of methane.
The concern is that in a hydrogen-based civilization, H2 leaks may well be much higher than current methane emissions: it is enough to see the testimony of owners of mirai who find the empty tank after a few weeks without riding.
The table is at room temperature: it may be a little different at high altitude, but it remains in the same orders of magnitude.
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