These are compounds of oxygen, sulphur, selenium and tellurium that are thought to be particularly suitable for thermoelectric applications because their structure allows electric currents to flow while blocking thermal currents.
With Pakistan's two pace spearheads in full flow there was an electric atmosphere, and Sami felt he had trapped Ganguly lbw, although umpire Doctrove correctly deemed that the ball had pitched outside leg-stump.
A123 now has cash flow problems and those flow from two facts: the market for electric vehicles that use its batteries is much smaller than anticipated.
The power electronics unit integrated in the engine compartment operates at a level of around 370V and manages the flow of high-voltage energy to and from the battery and the electric motors.