期刊
ACS APPLIED MATERIALS & INTERFACES
卷 8, 期 3, 页码 2078-2087出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b10545
关键词
liquid crystalline; self-assembly; codoped graphene; flexible; supercapacitor; oxygen reduction reaction
资金
- Commonwealth of Australia
- Automotive CRC 2020
- Australian Research Council (ARC) through Linkage Infrastructure, Equipment and Facilities (LIEF) grants [LE130100051, LE120100104]
- Australian Research Council [LE130100051] Funding Source: Australian Research Council
A novel flexible three-dimensional (3D) architecture of nitrogen and sulfur codoped graphene has been successfully synthesized via thermal treatment of a liquid crystalline graphene oxide -doping agent composition, followed by a soft self -assembly approach. The high temperature process turns the layer -by -layer assembly into a high surface area macro- and nanoporous free-standing material with different atomic configurations of graphene. The interconnected 3D network exhibits excellent charge capacitive performance of 305 F g(-1) (at 100 mV s(-1)), an unprecedented volumetric capacitance of 188 F cm(-3) (at 1 A g(-1)), and outstanding energy density of 28.44 Wh kg(-1) as well as cycle life of 10 000 cycles as a free-standing electrode for an aqueous electrolyte, symmetric supercapacitor device. Moreover, the resulting nitrogen/sulfur doped graphene architecture shows good electrocatalytic performance, long durability, and high selectivity when they are used as metal -free catalyst for the oxygen reduction reaction. This study demonstrates an efficient approach for the development of multifunctional as well as flexible 3D architectures for a series of heteroatom-doped graphene frameworks for modern energy storage as well as energy source applications.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据