Nanocomposite materials consisting of ZrO2 and Pd phases were prepared by heating the amorphous Zr65Pd35 alloy for 24 h at 553 K in air. The maximum hydrogen absorption amount is about 2.4 mass% (H2/Pd) at 323 K and 2.2 mass% (H2/Pd) at 423 K at hydrogen pressure of 1 MPa. The absorption amount of Pd nanoparticles in the nanocomposite is a few times larger than those for the bulk and powder Pd metals. The remarkable increase in the hydrogen absorption/desorption amounts seems to result from the isolated dispersion state of Pd nanoparticles in the ZrO2 phase containing a tremendously large interface area in the nanocomposite.
Aluminum nitride (AlN) power was successfully synthesized by direct nitridization method heating for 4h at 950°C with magnesium (Mg) and ammonium chloride (NH4Cl) as additives. The morphology and microstructure of nitride product were done by XRD and SEM. Result reveals that the nitride producs was pure hexagonal phase. In addiation, whiskers in the power which diameter is at the nanoscale and length ranging from a few microns were also observed, and EDS test displays the component of whiskers is AlN.
Bulk metal, in general, never absorb such abundant D/H atoms as to exceed the host metal atom density, and so, these D-atoms cannot be approachable each other at all even atomic distance of their molecule within the bulk metal. As a result, they never cause nuclear fusion within the bulk metal (ever bulk Pd). On the contrary, nano-metal, such as nano-Pd (isolated < φ150Å, embedded ≤ φ50Å in size), instantly absorbed abundant D/H atoms up to levels as high as 300% of Pd metal density. These absorbed atoms were solidified densely inside each unit cell of the host lattice as solid-state "Pycnodeuterium"/"Pycnohydrogen". Moreover, we developed not only nano-Pd metal but also new materials which show similar behavior with nano-metal under bulk-state. In a word, peculiar bulk oxidized compound absorbed abundant D/H atoms and solid-state "Pycnodeuterium"/"Pycnohydrogen" were produced within throughout their bulk materials. Pycnodeuterium with stimulation energy easily caused intense solid-state nuclear fusion, whereas in case of Pycnohydrogen no reaction occurred. As a result, it was clarified that Pycnodeuterium is by far the best nuclear fuel compared to all other nuclear fuels just as "gaseous deuterium" against the "thermonuclear fusion".
Based on the functioning of Pd black inside a DS-Cathode, which has produced irrefutable evidence for the existence of solid nuclear fusion, new materials were developed to absorb abundant D/H atoms, up to levels as high as 300% of Pd number. These absorbed atoms were solidified densely inside each unit cell of the host lattice as solid-state "Pycnodeuterium" or "Pycnohydrogen."Stimulation energy with Pycnodeuterium easily caused intense solid-state nuclear fusion, whereas with Pycnohydrogen no reaction occurred. As the result, it was clarified that Pycnodeuterium is by far the best nuclear fuel compared to all other nuclear fuels.
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