Unique features of hydrogen in palladium metal lattice: hints for discussing the possible occurrence of cold nuclear fusion

Shohoji, Nobumitsu

doi:10.1007/bf00727727

Cited by 1 publication

(2 citation statements)

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“…26 The large cathodic and anodic peaks at more negative potentials (∼0.05 V) are due to formation of bulk Pd hydride and desorption of hydrogen from this hydride, respectively. 52,53 Figure 11 shows typical CVs, for the ORR for the (1:1) and (1:3) PdCu/C catalysts, in oxygen-saturated 0.1 M HClO 4 aqueous electrolyte, with electrode rotation of 1600 rpm and a scan rate of 10 mV s -1 . Table 3 summarizes the ORR mass and specific activities of the PdCu/C catalysts obtained at different potentials using the Koutecky-Levich equation.…”

Section: Resultsmentioning

confidence: 99%

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Colloidal Synthesis and Characterization of Carbon-Supported Pd−Cu Nanoparticle Oxygen Reduction Electrocatalysts

et al. 2010

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The ability to control the size and composition of metal or alloys nanoparticles is important in preparing catalysts. This paper reports a colloidal synthesis methodology for the preparation of monodisperse palladium−copper (Pd−Cu) alloy nanoparticles with an average diameter of 3 nm for the as-prepared particles and 5−10 nm upon removal of the capping agents. Our approach involves the use of metal precursors, capping agents, and reducing agents in controlled ratios for nanoparticle formation in a single organic phase, followed by deposition of the capped nanoparticles on high surface area carbon and removal of the capping agents via heat treatment in either oxidizing or reducing atmosphere. The results of characterizations using transmission electron microscopy-energy dispersive X-ray analysis (TEM-EDX), X-ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR), temperature programmed oxidation and reduction combined with mass spectrometry (TPO/TPR-MS), powder X-ray diffraction (XRD), and cyclic voltammetry (CV) are discussed. The resulting high-surface-area-carbon-supported Pd−Cu catalysts (PdCu/C) showed high activity for the oxygen reduction reaction (ORR) in acidic electrolyte. Our study revealed composition and heat-treatment dependent ORR activity.

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Section: Resultsmentioning

confidence: 99%

“…These features are used to estimate the electrochemically active Pd surface areas of the individual catalysts in a similar way as for Pt-based catalyst . The large cathodic and anodic peaks at more negative potentials (∼0.05 V) are due to formation of bulk Pd hydride and desorption of hydrogen from this hydride, respectively. , …”

Section: Resultsmentioning

confidence: 99%