Abstract

The hybrid regenerative hydrogen-vanadium fuel cell [1,2] offers a feasible solution for storing electrical energy from the grid or intermittent renewable energy sources such as wind and solar. This system is an attractive alternative to the all-vanadium system due to the 50% reduction in the amount of vanadium solution required. This two-phase hybrid system also allows crossover species to be separated and reused. In this presentation, the performance of this system with carbon nanotube materials as electrodes for the vanadium reactions at the elevated temperatures (RT-50oC) will be discussed.

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