2D layered graphitic carbon nitride sandwiched with reduced graphene oxide as nanoarchitectured anode for highly stable lithium-ion battery

Subramaniyam, C, Deshmukh, K, Tai, Z, Mahmood, N, Deshmukh, A, Goodenough, J, Dou, S and Liu, H 2017, '2D layered graphitic carbon nitride sandwiched with reduced graphene oxide as nanoarchitectured anode for highly stable lithium-ion battery', Electrochimica Acta, vol. 237, pp. 69-77.


Document type: Journal Article
Collection: Journal Articles

Title 2D layered graphitic carbon nitride sandwiched with reduced graphene oxide as nanoarchitectured anode for highly stable lithium-ion battery
Author(s) Subramaniyam, C
Deshmukh, K
Tai, Z
Mahmood, N
Deshmukh, A
Goodenough, J
Dou, S
Liu, H
Year 2017
Journal name Electrochimica Acta
Volume number 237
Start page 69
End page 77
Total pages 9
Publisher Pergamon Press
Abstract Two dimensional (2D) nanomaterials with high gravimetric capacity and rate capability are a key strategy for the anode of a Li-ion battery, but they still pose a challenge for Li-ion storage due to limited conductivity and an inability to alleviate the volume change upon lithiation and delithiation. In this paper, we report the construction of a 3D architecture anode consisting of exfoliated 2D layered graphitic carbon nitride (g-C 3 N 4 ) and reduced graphene oxide (rGO) nanosheets (CN-rGO) by hydrothermal synthesis. First, bulk g-C 3 N 4 is converted to nanosheets to increase the edge density of the inert basal planes since the edges act as active Li-storage sites. This unique 3D architecture, which consists of ultrathin g-C 3 N 4 nanosheets sandwiched between conductive rGO networks, exhibits a capacity of 970 mA h g -1 after 300 cycles, which is 15 fold higher than the bulk g-C 3 N 4 . The tuning of the intrinsic structural properties of bulk g-C 3 N 4 by this simple bottom-up synthesis has rendered a 3D architectured material (CN-rGO) as an effective negative electrode for high energy storage applications.
Subject Synthesis of Materials
Functional Materials
Nanomaterials
Keyword(s) 2D nanosheets
anode
Carbon nitride (C N ) 3 4
high energy sonication
hydrothermal
lithium-ion battery
DOI - identifier 10.1016/j.electacta.2017.03.194
Copyright notice © 2017 Elsevier
ISSN 0013-4686
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