▎ 摘　　要

NOVELTY - Hydrothermal method loading graphene quantum dots on graphite paper, comprises (1) heat-treating citric acid at 150-210℃ for 15-45 minutes, when the solution turns from transparent to orange, regulating system pH is neutral and obtaining graphene quantum dot solution, (2) preparing a pretreatment solution with a concentration of 20-50 mM, submerging the graphite paper in the pretreatment solution and placing in a polytetrafluoroethylene container for hydrothermal treatment at 150-180℃ for 60-120 minutes, washing, and drying to obtain pre-treated graphite paper, and (3) immersing the graphite paper in the graphene quantum dot solution, and placing in a hydrothermal kettle for hydrothermal treatment at 100-180℃ for 60-180 minutes, washing with water and ethanol to remove unreacted residual solution to obtain graphite paper loaded with graphene quantum dots. USE - The method for loading quantum graphene on graphite paper by hydrothermal method and application thereof in preparation of plane micro-supercapacitor used in micro, portable electronic device e.g. human-computer interaction system, implantable medical monitoring module and extreme environment emergency energy. ADVANTAGE - The method realizes the integration of planar micro energy storage devices, and the all-round improvement of miniaturization, functionalization and electrochemical performance is of great significance to the scalable development and production of flexible and wearable electronic devices. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing micro super capacitor by laser cutting graphite paper loaded graphene quantum dots.