Fig. 5
From: Lithium titanate hydrates with superfast and stable cycling in lithium ion batteries
Electrochemical performance of hybrid supercapacitor using an activated carbon (AC) and hydrated nanocomposite (HN) composite. a, CV curves in various scan rates from 10 to 100 mV s−1; b, Ragone plots of power density vs. energy density, based on the total mass of active materials in both electrodes; c, Cycle stability and Coulombic efficiency at a current density of 2000 mA g−1
