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Electrochemical and UV-VIS measurements demonstrate that the pH value of a 4-hydroxy-2,2,6,6-tetramethyl-1-pipperidinyloxyl (TEMPOL) electrolyte significantly impacts its redox reversibility. The diffusion coefficient and kinetic rate constant of TEMPOL in neutral aqueous solution are determined and shown to be comparable to those of vanadium ions used for industrially utilized redox flow batteries...
LiNi 0.5 Mn 1.5 O 4 thin films were prepared by pulsed laser deposition (PLD) on stainless steel substrates. The growth of the films has been studied as a function of substrate temperature and oxygen partial pressure in deposition, using X-ray diffraction (XRD) and field-emission scanning electron microscopy (FESEM). Electrochemical properties of LiNi 0.5 Mn 1.5...
This paper investigates the dynamic property of a tropical forested channel due to the weather effects on UHF radio wave propagation. In this study, continuous wave (CW) envelope fading waveforms are recorded over a period of 50 seconds with static antennas. The weather induced temporal variation has been analysed with the Rician distribution function. Special attention is given to the combined effect...
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