Nitrogen-doped carbon-encapsulated SnO2-SnS/graphene sheets with improved anodic performance in lithium ion batteries

Jieqiong Shan; Yuxin Liu; Ping Liu; Yanshan Huang; Yuezeng Su; Dongqing Wu; Xinliang Feng

doi:10.1039/c5ta06617d

Nitrogen-doped carbon-encapsulated SnO₂-SnS/graphene sheets with improved anodic performance in lithium ion batteries

Jieqiong Shan
, Yuxin Liu
, Ping Liu
, Yanshan Huang
, Yuezeng Su^*
, Dongqing Wu
, Xinliang Feng

^*Corresponding author for this work

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

69 Citations (Scopus)

23 Downloads (CityUHK Scholars)

Abstract

A dual-doping approach for nitrogen-doped carbon-coated SnO₂-SnS/graphene nanosheets (N-C@SnO₂-SnS/GN) has been developed, using hydrothermal carbonization of sucrose with SnO₂-decorated graphene and ammonium thiocyanate and a subsequent thermal treatment. The resulting hybrid manifests a typical two-dimensional core-shell architecture, with a N-doped carbon coating over the SnS- and SnO₂-decorated graphene nanosheets. Used as the anode material in lithium ion batteries (LIBs), N-C@SnO₂-SnS/GN delivers a high specific capacity of 1236 mA h g^-1 at a current density of 0.1 A g^-1 after 110 cycles, which outperforms most state-of-the-art tin-based LIB anodes with core-shell structures. © 2015 The Royal Society of Chemistry.

Original language	English
Pages (from-to)	24148-24154
Journal	Journal of Materials Chemistry A
Volume	3
Issue number	47
DOIs	https://doi.org/10.1039/c5ta06617d
Publication status	Published - 2015
Externally published	Yes

Bibliographical note

Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

Funding

This work was financially supported by 973 Program of China (2012CB933404 and 2014CB239701), Natural Science Foundation of China (21320102006, 61235007, 61575121, 21572132 and 21372155), Professor of Special Appointment at Shanghai Institutions of Higher Learning, MPI-SJTU Partner Group Project for Polymer Chemistry of Graphene Nanoribbons. X. F acknowledges the funding support from ERC grant on 2DMATER and EC under Graphene Flagship (No. CNECT-ICT-604391).

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

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This full text is made available under CC-BY-NC 3.0. https://creativecommons.org/licenses/by-nc/3.0/

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Cite this

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title = "Nitrogen-doped carbon-encapsulated SnO2-SnS/graphene sheets with improved anodic performance in lithium ion batteries",

abstract = "A dual-doping approach for nitrogen-doped carbon-coated SnO2-SnS/graphene nanosheets (N-C@SnO2-SnS/GN) has been developed, using hydrothermal carbonization of sucrose with SnO2-decorated graphene and ammonium thiocyanate and a subsequent thermal treatment. The resulting hybrid manifests a typical two-dimensional core-shell architecture, with a N-doped carbon coating over the SnS- and SnO2-decorated graphene nanosheets. Used as the anode material in lithium ion batteries (LIBs), N-C@SnO2-SnS/GN delivers a high specific capacity of 1236 mA h g-1 at a current density of 0.1 A g-1 after 110 cycles, which outperforms most state-of-the-art tin-based LIB anodes with core-shell structures. {\textcopyright} 2015 The Royal Society of Chemistry.",

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T1 - Nitrogen-doped carbon-encapsulated SnO2-SnS/graphene sheets with improved anodic performance in lithium ion batteries

AU - Shan, Jieqiong

AU - Liu, Yuxin

AU - Liu, Ping

AU - Huang, Yanshan

AU - Su, Yuezeng

AU - Wu, Dongqing

AU - Feng, Xinliang

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N2 - A dual-doping approach for nitrogen-doped carbon-coated SnO2-SnS/graphene nanosheets (N-C@SnO2-SnS/GN) has been developed, using hydrothermal carbonization of sucrose with SnO2-decorated graphene and ammonium thiocyanate and a subsequent thermal treatment. The resulting hybrid manifests a typical two-dimensional core-shell architecture, with a N-doped carbon coating over the SnS- and SnO2-decorated graphene nanosheets. Used as the anode material in lithium ion batteries (LIBs), N-C@SnO2-SnS/GN delivers a high specific capacity of 1236 mA h g-1 at a current density of 0.1 A g-1 after 110 cycles, which outperforms most state-of-the-art tin-based LIB anodes with core-shell structures. © 2015 The Royal Society of Chemistry.

AB - A dual-doping approach for nitrogen-doped carbon-coated SnO2-SnS/graphene nanosheets (N-C@SnO2-SnS/GN) has been developed, using hydrothermal carbonization of sucrose with SnO2-decorated graphene and ammonium thiocyanate and a subsequent thermal treatment. The resulting hybrid manifests a typical two-dimensional core-shell architecture, with a N-doped carbon coating over the SnS- and SnO2-decorated graphene nanosheets. Used as the anode material in lithium ion batteries (LIBs), N-C@SnO2-SnS/GN delivers a high specific capacity of 1236 mA h g-1 at a current density of 0.1 A g-1 after 110 cycles, which outperforms most state-of-the-art tin-based LIB anodes with core-shell structures. © 2015 The Royal Society of Chemistry.

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DO - 10.1039/c5ta06617d

M3 - RGC 21 - Publication in refereed journal

SN - 2050-7488

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JO - Journal of Materials Chemistry A

JF - Journal of Materials Chemistry A

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