Amorphous nickel pyrophosphate microstructures for high-performance flexible solid-state electrochemical energy storage devices …
Furthermore, the flexible solid-state P1//Graphene electrochemical energy storage device showed a maximum volumetric energy density of 0.78 mW h cm −3 at a current density of 0.10 mA cm −2, and 0.46 mW h cm −3 at 0.50 mA cm −2.