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Novel organic molecular bridging strategy in Ti3CN interlayers towards stable and rapid sodium ions storage.

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Title: Novel organic molecular bridging strategy in Ti3CN interlayers towards stable and rapid sodium ions storage.
Authors: Wang, Xiao-Rui1,2 (AUTHOR), Shi, Wen-Jie1,2 (AUTHOR), Jiao, Ai-Jun3 (AUTHOR), Fu, Zhen-Hai3 (AUTHOR), Li, Min-Peng1,2 (AUTHOR), Li, Hong-Yan1,2 (AUTHOR), Zheng, Cai-Xia1,2 (AUTHOR), Hu, Yu-Xia1,4 (AUTHOR) huyuxiav@163.com, Xue, Hong-Tao1 (AUTHOR), Liu, Mao-Cheng1,2 (AUTHOR) liumc@lut.edu.cn
Source: Electrochimica Acta. Feb2025, Vol. 514, pN.PAG-N.PAG. 1p.
Subjects: Molecular structure, Activation energy, Ion migration & velocity, Carbonyl group, Columns
Abstract: • Organic molecules are bridged into Ti 3 CN interlayers through strong chemical bonds. • DFT calculations predicted active sodium ions storage sites. • DFT calculations predicted diffusion energy barrier of Ti 3 CN and Ti 3 CN-TOAA. • Molecules bridging can modify the 2D layered structure and interlayer environment of Ti 3 CN. • Molecules bridged Ti 3 CN achieved stable and rapid sodium ions storage. MXenes is considered as one of the most potential sodium ions storage materials due to its superior metallic conductivity, abundant surface functional groups, extensive specific surface area, and tunable interlayer spacing. Nevertheless, its practical application is hindered by severe volumetric expansion/shrinkage and slow sodium ions diffusion during sodium ions insertion/extraction process. Herein, a novel organic acid molecules bridging strategy is reported to stabilize layered structure and adjust the interlayer spacing of Ti 3 CN, which is realized by bridging organic acid molecules (named as TOAA) into Ti 3 CN interlayers (named as Ti 3 CN-TOAA) to form strong amido (HN C=O) bonds. The carbonyl groups of TOAA molecules can not only provide active sites for sodium ions storage, but also inhibit volumetric expansion/shrinkage by providing strain/pillar effects within the Ti 3 CN interlayers, achieving stable and rapid sodium ions storage. Consequently, the interlayer spacing of Ti 3 CN-TOAA (1.42 nm) is enlargered compared with that of Ti 3 CN (1.22 nm), while the sodium ions migration barrier of Ti 3 CN-TOAA is reduced by 0.09 eV Ti 3 CN-TOAA demonstrates superior cycling stability (the capacity retention remains at 83.2% after 2000 cycles at 0.5 A g-1) and rate capability (2.5 times the capacity of pristine Ti 3 CN at 5.0 A g-1). Significantly, the Ti 3 CN-TOAA||AC sodium ions capacitor (SIC) exhibits excellent cycling stability, retaining 79.3% of its capacity after 8000 cycles at 1.0 A g-1. This work presents a novel approach to achieving stable and rapid sodium ions storage by stabilizing layered structure and adjusting interlayer spacing. [ABSTRACT FROM AUTHOR]
Copyright of Electrochimica Acta is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 182567792
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  Group: Ti
  Data: Novel organic molecular bridging strategy in Ti3CN interlayers towards stable and rapid sodium ions storage.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Xiao-Rui%22">Wang, Xiao-Rui</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shi%2C+Wen-Jie%22">Shi, Wen-Jie</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jiao%2C+Ai-Jun%22">Jiao, Ai-Jun</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fu%2C+Zhen-Hai%22">Fu, Zhen-Hai</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Min-Peng%22">Li, Min-Peng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Hong-Yan%22">Li, Hong-Yan</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zheng%2C+Cai-Xia%22">Zheng, Cai-Xia</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hu%2C+Yu-Xia%22">Hu, Yu-Xia</searchLink><relatesTo>1,4</relatesTo> (AUTHOR)<i> huyuxiav@163.com</i><br /><searchLink fieldCode="AR" term="%22Xue%2C+Hong-Tao%22">Xue, Hong-Tao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Mao-Cheng%22">Liu, Mao-Cheng</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> liumc@lut.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Electrochimica+Acta%22">Electrochimica Acta</searchLink>. Feb2025, Vol. 514, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Molecular+structure%22">Molecular structure</searchLink><br /><searchLink fieldCode="DE" term="%22Activation+energy%22">Activation energy</searchLink><br /><searchLink fieldCode="DE" term="%22Ion+migration+%26+velocity%22">Ion migration & velocity</searchLink><br /><searchLink fieldCode="DE" term="%22Carbonyl+group%22">Carbonyl group</searchLink><br /><searchLink fieldCode="DE" term="%22Columns%22">Columns</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • Organic molecules are bridged into Ti 3 CN interlayers through strong chemical bonds. • DFT calculations predicted active sodium ions storage sites. • DFT calculations predicted diffusion energy barrier of Ti 3 CN and Ti 3 CN-TOAA. • Molecules bridging can modify the 2D layered structure and interlayer environment of Ti 3 CN. • Molecules bridged Ti 3 CN achieved stable and rapid sodium ions storage. MXenes is considered as one of the most potential sodium ions storage materials due to its superior metallic conductivity, abundant surface functional groups, extensive specific surface area, and tunable interlayer spacing. Nevertheless, its practical application is hindered by severe volumetric expansion/shrinkage and slow sodium ions diffusion during sodium ions insertion/extraction process. Herein, a novel organic acid molecules bridging strategy is reported to stabilize layered structure and adjust the interlayer spacing of Ti 3 CN, which is realized by bridging organic acid molecules (named as TOAA) into Ti 3 CN interlayers (named as Ti 3 CN-TOAA) to form strong amido (HN C=O) bonds. The carbonyl groups of TOAA molecules can not only provide active sites for sodium ions storage, but also inhibit volumetric expansion/shrinkage by providing strain/pillar effects within the Ti 3 CN interlayers, achieving stable and rapid sodium ions storage. Consequently, the interlayer spacing of Ti 3 CN-TOAA (1.42 nm) is enlargered compared with that of Ti 3 CN (1.22 nm), while the sodium ions migration barrier of Ti 3 CN-TOAA is reduced by 0.09 eV Ti 3 CN-TOAA demonstrates superior cycling stability (the capacity retention remains at 83.2% after 2000 cycles at 0.5 A g-1) and rate capability (2.5 times the capacity of pristine Ti 3 CN at 5.0 A g-1). Significantly, the Ti 3 CN-TOAA||AC sodium ions capacitor (SIC) exhibits excellent cycling stability, retaining 79.3% of its capacity after 8000 cycles at 1.0 A g-1. This work presents a novel approach to achieving stable and rapid sodium ions storage by stabilizing layered structure and adjusting interlayer spacing. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Electrochimica Acta is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.electacta.2025.145670
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Molecular structure
        Type: general
      – SubjectFull: Activation energy
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      – SubjectFull: Ion migration & velocity
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      – SubjectFull: Carbonyl group
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      – SubjectFull: Columns
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              Text: Feb2025
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