Scalable fabrication of turbostratic graphene with high
Massive fabrication of graphene with high density and high ion conductivity has been a long-standing challenge for energy storage communities. Here, inspired by the turbostratic aligning of tea leaves in boiling water, we
Flexible energy storage devices based on graphene paper
In essence, we discover that the graphene based flexible electrode exhibits significantly improved performances in electrochemical properties, such as in energy density and power density.
Enhancing energy density of graphene-based supercapacitors by
In the organic system, Bisazo-rGO-3 exhibits an impressive energy density of 49.5 Wh kg −1 at a moderate power density (1350 W kg −1). Even at a high-power density of 27,000 W kg −1, the
Surface Engineering of Graphene-Based Polymeric Composites for Energy
Graphene is a two-dimensional carbon allotrope with a thickness of just one atom. It is composed of a honeycomb arrangement of hexagonal crystalline structure with sp 2 carbon atoms in a
Ultrafast all-climate aluminum-graphene battery with
These excellent electrochemical performances, especially high-rate capability and ultralong cycle life (Fig. 3, G and H), promise a new generation of energy storage system that can sustainably keep constant and
Liquid-Mediated Dense Integration of Graphene
This simple soft approach enables subnanometer scale integration of graphene sheets with electrolytes to form highly compact carbon electrodes with a continuous ion transport network. Electrochemical capacitors
Graphene for batteries, supercapacitors and beyond
In a different approach, porous and dense graphene foams were developed for efficient capacitive energy storage by digging nanoholes in the basal planes of graphene and using a hydraulic press to
Graphene-Based Supercapacitor with an Ultrahigh
A supercapacitor with graphene-based electrodes was found to exhibit a specific energy density of 85.6 Wh/kg at room temperature and 136 Wh/kg at 80 °C (all based on the total electrode weight), measured at a