Graphene-Based Electric Double Layer Capacitor
We propose to develop processes and process flows to create optimized vertically-oriented graphene nanosheet electrodes, use these electrodes to fabricate prototype electric double layer capacitors (EDLCs), and demonstrate their superior electrical performance as compared with similar devices fabricated using activated carbon. Two EDLC designs will be evaluated, the first being the conventional"separator between two electrodes"and the second being a separatorless planar structure with interdigitated electrodes covered by graphene nanosheets. This second design offers energy and power density advantages as well as increased flexibility of use, for instance, in making a conformal high-power storage device.
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