Issue 3, 2016

Highly efficient moisture-enabled electricity generation from graphene oxide frameworks

Abstract

A high-performance power generator has been successfully fabricated based on a superhydrophilic three-dimensional assembly of graphene oxide. The open framework of this specially designed graphene oxide assembly largely facilitated the diffusion of water molecules to produce the dissociated charged ions as free carriers. Meanwhile, its asymmetrical oxygen-containing groups enabled an ionic gradient to accelerate the directed transport of the ionic charge carriers. A high power density of ca. 1 mW cm−2 and an energy-conversion efficiency of ca. 52% were achieved and its potential as a practical power source was evidenced by a simple pendulum-based chemical potential energy harvesting system.

Graphical abstract: Highly efficient moisture-enabled electricity generation from graphene oxide frameworks

Supplementary files

Article information

Article type
Communication
Submitted
08 Dec 2015
Accepted
01 Feb 2016
First published
01 Feb 2016

Energy Environ. Sci., 2016,9, 912-916

Highly efficient moisture-enabled electricity generation from graphene oxide frameworks

F. Zhao, Y. Liang, H. Cheng, L. Jiang and L. Qu, Energy Environ. Sci., 2016, 9, 912 DOI: 10.1039/C5EE03701H

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