From: Mats Lewan Don’t know if this contains new findings. Might be relevant for Pd+H systems, and maybe also Ni+H systems.
"As the hydrogen is taken up over time, there is eventually a sudden reconfiguration of the hydrogen distribution within the lattice, a process colloquially referred to as “avalanching.” " http://www.anl.gov/articles/hydrogen-uptake-causes-molecular-avalanches-palladium Mats, as far back as 1938, achieving this “sudden reconfiguration” of palladium was known and patented. Ironically, it takes a long time to reach the stage of “sudden” which is one reason why results with palladium electrodes are not assured. http://www.google.com.gh/patents/US2139529
