Electrochemical cells with polyacetylene, (CH)x, as active anode and cathode material have been built. The cells were of the type (CH)x/R4N+ClO4⊖/(CH)x. The cells with different electrode thicknesses and areas, respectively, showed all the same typical charging and discharging behaviour. From the experimental data the change of molar doping concentration during charge and discharge, charge capacity, energy – and power density are evaluated. – The cell performance is limited by internal losses and electrochemically induced irreversible processes, which also limit the rechargeability to a few cycles.
Nevertheless the high injection minority carrier lifetime measured by OCVD, T = 1.2 ps, i s quite Field controlled thyristors (FCTh) have been useful. realized by a recessed gate technique. Static and dynamic c h a r a c t e r i s t i c s a r e measured and compared t o t h e o r e t i c a l r e s u l t s . During turn-off a new latching mechanism i s observed which is explained in terms of a comprehensive physical model. New advanced cascode and cascade c i r c u i t s are proposed with reduced on resistance, very high current gain and fast, snubberless switching. 1 IO-IEDM 86 CH2381-2/86/O00O-0110 $1 .OO 0 1986 IEEE
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