As Günter and Abd suggest - chilling Ni-H is probably not going to work in typical LENR cells for a myriad of reasons, slanted more towards the practical than towards the theoretical.
BUT that conclusion is based on specific assumptions that can possibly be circumvented. At least we should consider the option. For instance - if we were to be assured that some kind of double frequency coherent irradiation, using THz frequencies from at least one bright coherent source and one very cold target - was indeed able to couple extremely well to Pd-D, then that would be the starting point for proceeding in a completely different way. Note: this all comes from a liberal interpretation of "Stimulation of Optical Phonons in Deuterated Palladium" Letts, D. and P.L. Hagelstein. ICCF-14 International. 2008. Washington, DC. http://lenr-canr.org/acrobat/LettsDstimulatio.pdf http://www.iscmns.org/CMNS/JCMNS-Vol3.pdf -- page 59 et seq. (PDF page 65) For the sake of argument then, let's say we find that 15 and 22 THz are ideal for this plan using palladium due to its thermal characteristics in the blackbody range of these frequencies. Typically with Pd-D we have assumed some kind of electrolysis for the rest of the input energy - and that is where the incompatibility lies with cryogenics, so let's ditch the electrolysis. Completely. OK - here is a potential redesign, where instant continuous irradiation of very cold nanoparticle pellets would be combined with direct conversion to electricity. The concept is based on roughly on the well-known Lawrence Livermore techniques of ICF and Laser implosion fusion, or any one of several techniques for Inertial Confinement Fusion (pellet fusion) developed elsewhere at a cost of billions. However- instead of imploding deuterium pellets to fuse at thermonuclear temperatures, using massive laser banks (check out this billion dollar boondoggle): http://en.wikipedia.org/wiki/Nova_%28laser%29 ... we will attempt to apply a tiny fraction of that energy in the THz range, and expect a proportionately acceptable fraction of the net energy (number of fusion events) still enough to use a direct converter. What we are essentially doing is borrowing from one of the most heavily researched fusion techniques in the world, where literally billions have been spend on automating the process of taking small pellets of fuel and aligning them continuously in the middle of converging coherent photon beams. Instead of giant lasers banks, however, and a single ignition chamber, now we have perhaps a hundred tabletop beam sources, along with their ignition chambers, and getting 50 times fewer fusion events per shot but the same net energy at a tenth the overhead. This cryo technique could be very cost effective since having cryogenic fuel at the correct coldness provide a portion of the needed input energy. The big gain on the bottom line is that instead of such a plant costing tens of billions, the cost now is tens of millions and the cost per watt is far less - since overhead is the killer of ICF. Doable? Who am I kidding? Of course this idea will go nowhere fast ! In short - this plan is doomed because it is too sensible and will waste far too little money to keep the staff at LANL fully employed doing war simulations on the side. And in any event, since the concept comes direct from the bowels of a fringe-fizzix site, and one associated with ... heaven forbid... cold fusion. No way!
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