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Flexible Interdigital In-Plane Supercapacitor Based on Laser Reduced Graphene Oxide (LRGO)

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Abstract:

We Demonstrated and Verified the Use Of laser Reduced Graphene Oxide (LRGO) Supported on Polyethylene Terephthalate (PET) Substrate for Flexible Supercapacitor Applications. we Compared the Interdigitated in-Plan Structure with the Conventionally Stacked Structure Supercapacitor. To understand the Role of Increasing the Number of Sub-Electrodes per Unit Area, Three electrode Architecture of 2, 4, and 6 Sub-Electrodes were Studied. Polymeric Gel electrolyte of Poly (vinyl Alcohol) and Phosphoric Acid (PVA-H3PO4)was Selected for the Realization of the Cells. the Interdigital in – Planesupercapacitor with 6 Sub-Electrodes I-PS(6) Showed a Volumetric Capacitance Of9.3 Fcm-3 Opposed to 3.6, 0.6, 0.5 Fcm-3 for I-PS(4), I-PS(2), and conventional Structure Supercapacitor, Respectively at 0.1 Ma Cm-2 Current Density. the Maximum Stated Energy Density of 0.409 Mwh.cm-3and Power Density of 994.6 W.cm-3 were for I-PS(6). our Results clearly Showed that the LRGO can Hold much Promise for Low-Cost, Easy, and Scalablesupercapacitor Fabrication.

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Key Engineering Materials VI View Preview

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Periodical:

Key Engineering Materials (Volume 705)

Pages:

138-144

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.705.138

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Online since:

August 2016

Authors:

Engy Ghoniem*, Ahmed Abd El-Moneim

Keywords:

Conventional Structure Supercapacitor, Interdigital In-Plane Supercapacitor, LRGO, Universal Laser Printing Machine

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* - Corresponding Author

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