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FLEXINAR: NASA Presents: All-Printed In-plane Supercapacitors by Sequential Additive Manufacturing Process


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Supercapacitors are attractive due to their high power density and durability relative to batteries. Printing technology has been rapidly emerging as manufacturing friendly, quick turn around and low cost approach to produce a variety of devices. We have done end-to-end printing of supercapacitors including the substrate, current collector and active layers, a gel polymer electrolyte and a protective passivation layer, all simply printed. Two types of supercapacitors, electrochemical double-layer capacitor (EDLC) and pseudocapacitor (PC), were developed with activated carbon and graphene-Mn3O4 nanocomposite based active layers, respectively. The all-printed supercapacitors show good specific power and specific energy with excellent cyclic performance. As the FHE community moves forward with printed devices for various applications, our all-printed supercapacitors can be an appropriate source of power, as these can be tailored for the needs in terms of form factor and performance. This work was supported by the NASA In Space Manufacturing Program and the authors thank Curtis Hill and Jessica Koehne and the ISM team at both NASA Ames and NASA Marshall.

Speaker

Myeong-Lok Seol
Center for Nanotechnology, NASA Ames Research Center

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