Nitrogen-doped mesoporous carbon of extraordinary capacitance for electrochemical energy storage

Abstract

Store more energy with a touch of nitrogen: In contrast to batteries, capacitors typically can store less power, but they can capture and release that power much more quickly. Lin et al. fabricated a porous carbon material that was then doped with nitrogen. This raised the energy density of the carbon more than threefold—an increase that was retained in full capacitors, without losing their ability to deliver power quickly. Science , this issue p. 1508