Abstract
Polycarbonate (PC) membranes of different porosity (from 50 nm to 400 nm pore size) were used as separators in a thin layer cell for palladium electrodeposition. Atomic force microscopy (AFM) confirmed the formation of Pd layer between the cathode and porous membrane, with subsequent growth inside the pores induced by space limitations of further growth of initial layer. Our estimates confirm that at this stage Pd deposit feels the pronounced mechanical pressure and consider it as a possible reason of specific hydrogen sorption behaviour in the region of β-phase hydride formation. Up to c.a. 1.0 H/Pd atomic ratio is observed for some samples. We consider possible (nano)structural peculiarities responsible for this behaviour.
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Frydrychewicz, A., Bieguński, A.T., Jackowska, K. et al. Pd electrodeposited from membrane-separated thin layer cell. J Solid State Electrochem 12, 1085–1091 (2008). https://doi.org/10.1007/s10008-007-0440-z
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DOI: https://doi.org/10.1007/s10008-007-0440-z