Journal article
Synergetic effects of K + and Mg 2+ ion intercalation on the electrochemical and actuation properties of the two-dimensional Ti 3 C 2 MXene
Faraday discussions, v 199(1), pp 393-403
01 Jul 2017
PMID: 28429016
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Two-dimensional materials, such as MXenes, are attractive candidates for energy storage and electrochemical actuators due to their high volume changes upon ion intercalation. Of special interest for boosting energy storage is the intercalation of multivalent ions such as Mg2+, which suffers from sluggish intercalation and transport kinetics due to its ion size. By combining traditional electrochemical characterization techniques with electrochemical dilatometry and contact resonance atomic force microscopy, the synergetic effects of the pre-intercalation of K+ ions are demonstrated to improve the charge storage of multivalent ions, as well as tune the mechanical and actuation properties of the Ti3C2 MXene. Our results have important implications for quantitatively understanding the charge storage processes in intercalation compounds and provide a new path for studying the mechanical evolution of energy storage materials.
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Details
- Title
- Synergetic effects of K + and Mg 2+ ion intercalation on the electrochemical and actuation properties of the two-dimensional Ti 3 C 2 MXene
- Creators
- Qiang Gao - Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA. balken@ornl.govJeremy Come - Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA. balken@ornl.govMichael Naguib - Materials Science and Technology Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USAStephen Jesse - Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, TN 37831, USA. balken@ornl.govYury 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, USA. balken@ornl.gov
- Publication Details
- Faraday discussions, v 199(1), pp 393-403
- Publisher
- Royal Society of Chemistry; England
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000405429100021
- Scopus ID
- 2-s2.0-85024117738
- Other Identifier
- 991014877830304721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Chemistry, Physical