Graphene Composite Conductivity**

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Graphene-polymer composite manufactured by company collaborator NanoXplore will investigated. Macroscopic conductivity measurements will be carried out and compared with the results of electrochemical labeling of surface electrode transport derminations. This will be carried out via the electrodeposition of Cu nucleation sites. The composite structure and electrodeposited island density will be imaged using field-emission scanning electron microscopy. The labeled percolation network will be measured as a function of initial carbon loading, mechanical testing, and accelerated life-time tests of degradation. These results will help NanoXplore increase their composite electrode uniformity and efficiency. A minimal level of upgrade in industrial capability would be needed to switch from existing technology to the potential graphene-based technology to be developed here.