Journal article
Controlling the actuation properties of MXene paper electrodes upon cation intercalation
Nano energy, v 17, pp 27-35
Oct 2015
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Atomic force microscopy was used to monitor the macroscopic deformation in a delaminated Ti3C2 paper electrode in situ, during charge/discharge in a variety of aqueous electrolytes to examine the effect of the cation intercalation on the electrochemical behavior and mechanical response. The results show a strong dependence of the electrode deformation on cation size and charge. The electrode undergoes a large contraction during Li+, Na+ or Mg2+ intercalation, differentiating the Ti3C2 paper from conventional electrodes where redox intercalation of ions (e.g. Li+) into the bulk phase (e.g. graphite, silicon) results in volumetric expansion. This feature may explain the excellent rate performance and cyclability reported for MXenes. We also demonstrated that the variation of the electromechanical contraction can be easily adjusted by electrolyte exchange, and shows interesting characteristics for the design of actuators based on 2D metal carbides.
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•Volume changes of 2D Ti3C2 MXene electrodes during cation intercalation are investigated.•Large and reversible contraction is measured for Li+, Na+ and Mg2+ intercalation.•The MXene actuation behavior can be controlled with a proper electrolyte selection.•2D titanium carbide electrodes are promising for tunable electromechanical actuators.
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Details
- Title
- Controlling the actuation properties of MXene paper electrodes upon cation intercalation
- Creators
- Jeremy Come - Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831-6496, USAJennifer M Black - Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831-6496, USAMaria R Lukatskaya - Department of Materials Science and Engineering & A.J. Drexel Nanomaterials Institute, Drexel University, Philadelphia, PA 19104, USAMichael Naguib - Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USAMajid Beidaghi - Department of Materials Science and Engineering & A.J. Drexel Nanomaterials Institute, Drexel University, Philadelphia, PA 19104, USAAdam J Rondinone - Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831-6496, USASergei V Kalinin - Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831-6496, USADavid J Wesolowski - Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USAYury Gogotsi - Department of Materials Science and Engineering & A.J. Drexel Nanomaterials Institute, Drexel University, Philadelphia, PA 19104, USANina Balke - Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831-6496, USA
- Publication Details
- Nano energy, v 17, pp 27-35
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000366149000004
- Scopus ID
- 2-s2.0-84944398162
- Other Identifier
- 991014969856504721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Chemistry, Physical
- Materials Science, Multidisciplinary
- Nanoscience & Nanotechnology
- Physics, Applied