Home > Research > Publications & Outputs > In Situ Investigation of Expansion during the L...

Associated organisational units

Electronic data

  • Binder1

    Rights statement: This document is the Accepted Manuscript version of a Published Work that appeared in final form in The Journal of Physical Chemistry C, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acs.jpcc.1c05092

    Accepted author manuscript, 1.84 MB, PDF document

    Embargo ends: 15/09/22

    Available under license: CC BY-NC: Creative Commons Attribution-NonCommercial 4.0 International License

Links

Text available via DOI:

View graph of relations

In Situ Investigation of Expansion during the Lithiation of Pillared MXenes with Ultralarge Interlayer Distance

Research output: Contribution to journalJournal articlepeer-review

Published

Standard

In Situ Investigation of Expansion during the Lithiation of Pillared MXenes with Ultralarge Interlayer Distance. / Maughan, Philip A.; Arnold, Stephanie; Zhang, Yuan; Presser, Volker; Tapia-Ruiz, Nuria; Bimbo, Nuno.

In: The Journal of Physical Chemistry C, Vol. 125, No. 38, 30.09.2021.

Research output: Contribution to journalJournal articlepeer-review

Harvard

APA

Vancouver

Author

Maughan, Philip A. ; Arnold, Stephanie ; Zhang, Yuan ; Presser, Volker ; Tapia-Ruiz, Nuria ; Bimbo, Nuno. / In Situ Investigation of Expansion during the Lithiation of Pillared MXenes with Ultralarge Interlayer Distance. In: The Journal of Physical Chemistry C. 2021 ; Vol. 125, No. 38.

Bibtex

@article{2b9edcd763494165b1b5594238686645,
title = "In Situ Investigation of Expansion during the Lithiation of Pillared MXenes with Ultralarge Interlayer Distance",
abstract = "Pillared Ti3C2Tz MXene with a large interlayer spacing (1.75 nm) is shown to be promising for high-power Li-ion batteries. Pillaring dramatically enhances the electrochemical performance, with superior capacities, rate capability, and cycling stability compared to the nonpillared material. In particular, at a high rate of 1 A g–1, the SiO2-pillared MXene has a capacity over 4.2 times that of the nonpillared material. For the first time, we apply in situ electrochemical dilatometry to study the volume changes within the MXenes during (de)lithiation. The pillared MXene has superior performance despite larger volume changes compared to the nonpillared material. These results give key fundamental insights into the behavior of Ti3C2Tz electrodes in organic Li electrolytes and demonstrate that MXene electrodes should be designed to maximize interlayer spacings and that MXenes can tolerate significant initial expansions. After 10 cycles, both MXenes show nearly reversible thickness changes after the charge–discharge process, explaining the stable long-term electrochemical performance.",
author = "Maughan, {Philip A.} and Stephanie Arnold and Yuan Zhang and Volker Presser and Nuria Tapia-Ruiz and Nuno Bimbo",
note = "This document is the Accepted Manuscript version of a Published Work that appeared in final form in The Journal of Physical Chemistry C, copyright {\textcopyright} American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acs.jpcc.1c05092",
year = "2021",
month = sep,
day = "30",
doi = "10.1021/acs.jpcc.1c05092",
language = "English",
volume = "125",
journal = "The Journal of Physical Chemistry C",
issn = "1932-7447",
publisher = "American Chemical Society",
number = "38",

}

RIS

TY - JOUR

T1 - In Situ Investigation of Expansion during the Lithiation of Pillared MXenes with Ultralarge Interlayer Distance

AU - Maughan, Philip A.

AU - Arnold, Stephanie

AU - Zhang, Yuan

AU - Presser, Volker

AU - Tapia-Ruiz, Nuria

AU - Bimbo, Nuno

N1 - This document is the Accepted Manuscript version of a Published Work that appeared in final form in The Journal of Physical Chemistry C, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acs.jpcc.1c05092

PY - 2021/9/30

Y1 - 2021/9/30

N2 - Pillared Ti3C2Tz MXene with a large interlayer spacing (1.75 nm) is shown to be promising for high-power Li-ion batteries. Pillaring dramatically enhances the electrochemical performance, with superior capacities, rate capability, and cycling stability compared to the nonpillared material. In particular, at a high rate of 1 A g–1, the SiO2-pillared MXene has a capacity over 4.2 times that of the nonpillared material. For the first time, we apply in situ electrochemical dilatometry to study the volume changes within the MXenes during (de)lithiation. The pillared MXene has superior performance despite larger volume changes compared to the nonpillared material. These results give key fundamental insights into the behavior of Ti3C2Tz electrodes in organic Li electrolytes and demonstrate that MXene electrodes should be designed to maximize interlayer spacings and that MXenes can tolerate significant initial expansions. After 10 cycles, both MXenes show nearly reversible thickness changes after the charge–discharge process, explaining the stable long-term electrochemical performance.

AB - Pillared Ti3C2Tz MXene with a large interlayer spacing (1.75 nm) is shown to be promising for high-power Li-ion batteries. Pillaring dramatically enhances the electrochemical performance, with superior capacities, rate capability, and cycling stability compared to the nonpillared material. In particular, at a high rate of 1 A g–1, the SiO2-pillared MXene has a capacity over 4.2 times that of the nonpillared material. For the first time, we apply in situ electrochemical dilatometry to study the volume changes within the MXenes during (de)lithiation. The pillared MXene has superior performance despite larger volume changes compared to the nonpillared material. These results give key fundamental insights into the behavior of Ti3C2Tz electrodes in organic Li electrolytes and demonstrate that MXene electrodes should be designed to maximize interlayer spacings and that MXenes can tolerate significant initial expansions. After 10 cycles, both MXenes show nearly reversible thickness changes after the charge–discharge process, explaining the stable long-term electrochemical performance.

U2 - 10.1021/acs.jpcc.1c05092

DO - 10.1021/acs.jpcc.1c05092

M3 - Journal article

VL - 125

JO - The Journal of Physical Chemistry C

JF - The Journal of Physical Chemistry C

SN - 1932-7447

IS - 38

ER -