Abstract
Owing to their extraordinary physicochemical, electrical, and mechanical properties, carbon nanotubes (CNTs) and graphene materials have been widely used to improve energy storage and conversion. In this article, we briefly review the latest development on fabrication of 3D porous structures of CNTs or graphene sheets or their hybrids, and their applications in various energy devices including supercapacitors, (bio-) fuel cells, and lithium ion batteries.
Highlights
In the past decades, carbon nanotubes (CNTs) and graphen have changed the landscape of many fields in science and technology, including energy storage and conversion (Sun et al, 2011b; Liu et al, 2012; Weiss et al, 2012; Jariwala et al, 2013; Zhang et al, 2013)
Electrodes based on 3D porous nanocarbon structures can greatly improve the capacity and efficiency because of largely expanded working volume, multiplexed conduction network, 3D interfacing, or intercalation with other system components. It is non-trivial to assemble CNTs and graphene sheets into 3D architectures due to their small size as well as stacking or aggregation caused by strong hydrophobic and pi–pi interactions
We review the latest development on synthesis of macroporous CNT/graphene structures and their applications in energy devices
Summary
Division of Bioengineering, School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore, Singapore. Reviewed by: Yumeng Shi, Singapore University of Technology and Design, Singapore Yi-Hsien Lee, National Tsing-Hua University, Taiwan. Owing to their extraordinary physicochemical, electrical, and mechanical properties, carbon nanotubes (CNTs) and graphene materials have been widely used to improve energy storage and conversion. We briefly review the latest development on fabrication of 3D porous structures of CNTs or graphene sheets or their hybrids, and their applications in various energy devices including supercapacitors, (bio-) fuel cells, and lithium ion batteries
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