▎ 摘 要
NOVELTY - An energy device (10) consists of paper based substrate (12) having top surface and bottom surface, and graphene oxide and carbon nanotube composite (14) deposited on top surface. USE - Energy device is used in supercapacitor (claimed). Uses include but are not limited to electronic devices, sensors, photovoltaic devices, and energy storage devices. ADVANTAGE - The energy devices provides economical supercapacitor having high power density, conductivity, pseudo capacitance, flexibility and durability. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) supercapacitor; and (2) manufacture of supercapacitor. DESCRIPTION OF DRAWING(S) - The drawing shows a cross-sectional view of portion of energy device. Energy device (10) Paper based substrate (12) Graphene oxide and carbon nanotube composite (14)