One more thing to add. Absorption/adsorption of hydrogen is usually exothermic - and degassing is usually endothermic. The balance of the two is zero. That much is usually true, with an emphasis on ”usually”. In hydrogen storage technologies, heat is usually added in order to release hydrogen.
However, that is not always the case. Hydrogen can be stored as a hydride,
which is a chemical bond (chemisorption) or it can be stored as physical
diffusion into pores, or both – and with drastically different thermodynamic
profiles. The “pore storage” of course invokes the dynamical Casimir effect.
It can be exothermic.
Hydrogen can be released “autothermically” where there is no added heat for
release - and instead an exotherm on degassing. This is often the result of
a side chemical reaction to supply heat, but can be engineered as an
asymmetry involving DCE. Epicatalysis could be related to the asymmetry of
hydrogen temporary adsorption and desorption on two different metals in
another way.
This sets the stage for “asymmetric” cycling of hydrogen with a small net
gain on each cycle. Obviously there is not much in print on this as it has
the potential to violate the Second Law (make that the Second Rule of
Thumb)…There are patents on autothermic cycling, but if anything –
asymmetric chemistry is more “fringe” than LENR ever was.
From: Roarty, Francis X
…the atomic oven, MAHG and now Mills and Rossi are all
chasing a form of super catalytic action that exceeds the portion already
hidden/rolled into COE. The tapestry of DCE can extend down below the limits
set by Liptschitz when hydrogen becomes fractional [or IMHO relativistic]
From: H Veeder
Actually, my use of the term 'equilibrium' is probably
technically incorrect in this situation since they say the systems they
study are non-equilibrium stationary systems. What I mean is that if enough
time passed then any heat associated with absorption would spread throughout
the system and not be capable of maintaining a temperature difference…
Teslaalset wrote:
I just wonder whether they took into account that Tungsten
at 2000K and 1 Torr likely absorbs Hydrogen. Absorption of Hydrogen into
metal lattices is an exothermic mechanism.
Nothing mentioned in their report.
Terry Blanton wrote:
Interesting how similar the description is to the Casimir
effect.
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