Solid electrolyte (Rb4Cu16I7Cl13)-electrode (Se) interface study of galvanic cell by ESCA

Prasad, R. N. ; Abhyankar, Neelima ; Kulkarni, S. K. ; Karekar, R. N. (1990) Solid electrolyte (Rb4Cu16I7Cl13)-electrode (Se) interface study of galvanic cell by ESCA Solid State Ionics: Diffusion and Reactions, 42 (1-2). pp. 37-40. ISSN 0167-2738

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A galvanic cell is fabricated in pellet form with a configuration Cu + X/X/Se+C (where X = Rb4Cu16I7Cl13). The galvanic cell shows an open circuit voltage (Voc) of about 380 mV and short circuit current (Isc) of about 11 mA. ESCA study of X/Se interface is carried out for selenium electrode surface by making a separate Se pellet. Undischarged and discharged cells (for 30 min and 540 min) are studied at two depths. The undischarged Se surface shows no change in BE of Se 3d5/2. But on 30 min of discharge a small shoulder is seen towards lower BE side. After 540 min of discharge, the peak shifts to lower binding energy side indicating the presence of some lower oxide. Cu 2p3/2 peak, which is seen distorted at half an hour discharge surface, is seen woth a quite good intensity after 540 min of discharge surface and even in depth at the Se electrode.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:17947
Deposited On:17 Nov 2010 13:27
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