Integrated Intercalation-Based and Interfacial Sodium Storage in Graphene-Wrapped Porous Li4Ti5O12 Nanofibers Composite Aerogel

Chaoji Chen; Henghui Xu; Tengfei Zhou; Zaiping Guo; Lineng Chen; Mengyu Yan; Liqiang Mai; Pei Hu; Shijie Cheng; Yunhui Huang; Jia Xie

doi:10.1002/aenm.201600322

Integrated Intercalation-Based and Interfacial Sodium Storage in Graphene-Wrapped Porous Li₄Ti₅O₁₂ Nanofibers Composite Aerogel

Chaoji Chen, Henghui Xu, Tengfei Zhou, Zaiping Guo, Lineng Chen, Mengyu Yan, Liqiang Mai, Pei Hu, Shijie Cheng, Yunhui Huang^*, Jia Xie

^*Corresponding author for this work

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

156 Citations (Scopus)

Abstract

Sodium storage in both solid–liquid and solid–solid interfaces is expected to extend the horizon of sodium-ion batteries, leading to a new strategy for developing high-performance energy-storage materials. Here, a novel composite aerogel with porous Li4Ti5O12 (PLTO) nanofibers confined in a highly conductive 3D-interconnected graphene framework (G-PLTO) is designed and fabricated for Na storage. A high capacity of 195 mA h g−1 at 0.2 C and super-long cycle life up to 12 000 cycles are attained. Electrochemical analysis shows that the intercalation-based and interfacial Na storage behaviors take effect simultaneously in the G-PLTO composite aerogel. An integrated Na storage mechanism is proposed. This study ascribes the excellent performance to the unique structure, which not only offers short pathways for Na+ diffusion and conductive networks for electron transport, but also guarantees plenty of PLTO–electrolyte and PLTO–graphene interfacial sites for Na+ adsorption. © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Original language	English
Article number	1600322
Journal	Advanced Energy Materials
Volume	6
Issue number	13
DOIs	https://doi.org/10.1002/aenm.201600322
Publication status	Published - 6 Jul 2016
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 <a href="mailto:[email protected]">[email protected]</a>.

Funding

This work was supportedby the National Basic Research Program of China (973 Program,2015CB258400), the Project Funded by China Postdoctoral Science Foundation (2015M580642), and the PCSIRT (Program for Changjiang Scholars and Innovative Research Team in University, IRT14R18). The authors gratefully acknowledge the Analytical and Testing Center ofHUST for XRD, SEM, TEM, TG, and Raman measurements.

Research Keywords

graphene frameworks
interfacial sodium storage
Li4Ti5O12
long-life
sodium-ion batteries

UN SDGs

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

Access Output

10.1002/aenm.201600322

Other Access Options

Check CityUHK Library

Permanent Link

Right click to copy link

Cite this

@article{03a1ff35b7854c06880b06f70376a018,

title = "Integrated Intercalation-Based and Interfacial Sodium Storage in Graphene-Wrapped Porous Li4Ti5O12 Nanofibers Composite Aerogel",

abstract = "Sodium storage in both solid–liquid and solid–solid interfaces is expected to extend the horizon of sodium-ion batteries, leading to a new strategy for developing high-performance energy-storage materials. Here, a novel composite aerogel with porous Li4Ti5O12 (PLTO) nanofibers confined in a highly conductive 3D-interconnected graphene framework (G-PLTO) is designed and fabricated for Na storage. A high capacity of 195 mA h g−1 at 0.2 C and super-long cycle life up to 12 000 cycles are attained. Electrochemical analysis shows that the intercalation-based and interfacial Na storage behaviors take effect simultaneously in the G-PLTO composite aerogel. An integrated Na storage mechanism is proposed. This study ascribes the excellent performance to the unique structure, which not only offers short pathways for Na+ diffusion and conductive networks for electron transport, but also guarantees plenty of PLTO–electrolyte and PLTO–graphene interfacial sites for Na+ adsorption. {\textcopyright} 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim",

keywords = "graphene frameworks, interfacial sodium storage, Li4Ti5O12, long-life, sodium-ion batteries",

author = "Chaoji Chen and Henghui Xu and Tengfei Zhou and Zaiping Guo and Lineng Chen and Mengyu Yan and Liqiang Mai and Pei Hu and Shijie Cheng and Yunhui Huang and Jia Xie",

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 <a href={"}mailto:[email protected]{"}>[email protected]</a>.",

year = "2016",

month = jul,

day = "6",

doi = "10.1002/aenm.201600322",

language = "English",

volume = "6",

journal = "Advanced Energy Materials",

issn = "1614-6832",

publisher = "John Wiley & Sons",

number = "13",

}

TY - JOUR

T1 - Integrated Intercalation-Based and Interfacial Sodium Storage in Graphene-Wrapped Porous Li4Ti5O12 Nanofibers Composite Aerogel

AU - Chen, Chaoji

AU - Xu, Henghui

AU - Zhou, Tengfei

AU - Guo, Zaiping

AU - Chen, Lineng

AU - Yan, Mengyu

AU - Mai, Liqiang

AU - Hu, Pei

AU - Cheng, Shijie

AU - Huang, Yunhui

AU - Xie, Jia

N1 - 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 <a href="mailto:[email protected]">[email protected]</a>.

PY - 2016/7/6

Y1 - 2016/7/6

N2 - Sodium storage in both solid–liquid and solid–solid interfaces is expected to extend the horizon of sodium-ion batteries, leading to a new strategy for developing high-performance energy-storage materials. Here, a novel composite aerogel with porous Li4Ti5O12 (PLTO) nanofibers confined in a highly conductive 3D-interconnected graphene framework (G-PLTO) is designed and fabricated for Na storage. A high capacity of 195 mA h g−1 at 0.2 C and super-long cycle life up to 12 000 cycles are attained. Electrochemical analysis shows that the intercalation-based and interfacial Na storage behaviors take effect simultaneously in the G-PLTO composite aerogel. An integrated Na storage mechanism is proposed. This study ascribes the excellent performance to the unique structure, which not only offers short pathways for Na+ diffusion and conductive networks for electron transport, but also guarantees plenty of PLTO–electrolyte and PLTO–graphene interfacial sites for Na+ adsorption. © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

AB - Sodium storage in both solid–liquid and solid–solid interfaces is expected to extend the horizon of sodium-ion batteries, leading to a new strategy for developing high-performance energy-storage materials. Here, a novel composite aerogel with porous Li4Ti5O12 (PLTO) nanofibers confined in a highly conductive 3D-interconnected graphene framework (G-PLTO) is designed and fabricated for Na storage. A high capacity of 195 mA h g−1 at 0.2 C and super-long cycle life up to 12 000 cycles are attained. Electrochemical analysis shows that the intercalation-based and interfacial Na storage behaviors take effect simultaneously in the G-PLTO composite aerogel. An integrated Na storage mechanism is proposed. This study ascribes the excellent performance to the unique structure, which not only offers short pathways for Na+ diffusion and conductive networks for electron transport, but also guarantees plenty of PLTO–electrolyte and PLTO–graphene interfacial sites for Na+ adsorption. © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

KW - graphene frameworks

KW - interfacial sodium storage

KW - Li4Ti5O12

KW - long-life

KW - sodium-ion batteries

UR - http://www.scopus.com/inward/record.url?scp=85027954088&partnerID=8YFLogxK

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-85027954088&origin=recordpage

U2 - 10.1002/aenm.201600322

DO - 10.1002/aenm.201600322

M3 - RGC 21 - Publication in refereed journal

SN - 1614-6832

VL - 6

JO - Advanced Energy Materials

JF - Advanced Energy Materials

IS - 13

M1 - 1600322

ER -