Highly Conductive, Capacitive, Flexible and Soft Electrodes Based on a 3D Graphene-Nanotube- Palladium Hybrid and Conducting Polymer

摘要

Owing to the advent of next-generation electronic products such as wearable smart phones and flexible displays, and soft haptic devices, strong demand for flexible electrodes and soft energy storage devices with high rate capability and ultrahigh capacitance has stimulated a large number of academic and industrial studies. A two-dimensional (2D) graphene-based electrode can be one of the candidates to fulfill the requirements for such devices, because graphene nano-materials have prominent and inherent chemical and physical properties, such as good flexibility, high electrical conductivity (10~3 ~10~4 S/m), large surface area (2,675 m 2 /g) and ultrahigh mechanical strength (130GPa). The intrinsic material properties of pure graphene without chemical or physical defects are theoretically exceptional to be used in energy storage devices and recently high-quality 2D graphene has been considered as a key material for next-generation electronic products.