Boosting the zinc storage of a small-molecule organic cathode by a desalinization strategy

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Authors

  • Wei Wang
  • Ying Tang
  • Jun Liu
  • Hongbao Li
  • Rui Wang
  • Longhai Zhang
  • Fei Liang
  • Wei Bai
  • Lin Zhang
  • Chaofeng Zhang

External Research Organisations

  • Anhui University
  • South China University of Technology
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Details

Original languageEnglish
Pages (from-to)9033-9040
Number of pages8
JournalChemical science
Volume14
Issue number34
Publication statusPublished - 2 Aug 2023

Abstract

Organic materials offer great potential as electrodes for batteries due to their high theoretical capacity, flexible structural design, and easily accessible materials. However, one significant drawback of organic electrode materials is their tendency to dissolve in the electrolyte. Resazurin sodium salt (RSS) has demonstrated remarkable charge/discharge performance characterized by a voltage plateau and high capacity when utilized as a cathode in aqueous zinc-ion batteries (AZIBs). Unfortunately, the solubility of RSS as a sodium salt continues to pose challenges in AZIBs. In this study, we introduce an RSS-containing organic compound, triresazurin-triazine (TRT), with a porous structure prepared by a desalinization method from the RSS and 2,4,6-trichloro-1,3,5-triazine (TCT). This process retained active groups (carbonyl and nitroxide radical) while generating a highly conjugated structure, which not only inhibits the dissolution in the electrolyte, but also improves the electrical conductivity, enabling TRT to have excellent electrochemical properties. When evaluated as a cathode for AZIBs, TRT exhibits a high reversible capacity of 180 mA h g−1, exceptional rate performance (78 mA h g−1 under 2 A g−1), and excellent cycling stability with 65 mA h g−1 at 500 mA g−1 after 1000 cycles.

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Cite this

Boosting the zinc storage of a small-molecule organic cathode by a desalinization strategy. / Wang, Wei; Tang, Ying; Liu, Jun et al.
In: Chemical science, Vol. 14, No. 34, 02.08.2023, p. 9033-9040.

Research output: Contribution to journalArticleResearchpeer review

Wang, W, Tang, Y, Liu, J, Li, H, Wang, R, Zhang, L, Liang, F, Bai, W, Zhang, L & Zhang, C 2023, 'Boosting the zinc storage of a small-molecule organic cathode by a desalinization strategy', Chemical science, vol. 14, no. 34, pp. 9033-9040. https://doi.org/10.1039/d3sc03435f
Wang, W., Tang, Y., Liu, J., Li, H., Wang, R., Zhang, L., Liang, F., Bai, W., Zhang, L., & Zhang, C. (2023). Boosting the zinc storage of a small-molecule organic cathode by a desalinization strategy. Chemical science, 14(34), 9033-9040. https://doi.org/10.1039/d3sc03435f
Wang W, Tang Y, Liu J, Li H, Wang R, Zhang L et al. Boosting the zinc storage of a small-molecule organic cathode by a desalinization strategy. Chemical science. 2023 Aug 2;14(34):9033-9040. doi: 10.1039/d3sc03435f
Wang, Wei ; Tang, Ying ; Liu, Jun et al. / Boosting the zinc storage of a small-molecule organic cathode by a desalinization strategy. In: Chemical science. 2023 ; Vol. 14, No. 34. pp. 9033-9040.
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title = "Boosting the zinc storage of a small-molecule organic cathode by a desalinization strategy",
abstract = "Organic materials offer great potential as electrodes for batteries due to their high theoretical capacity, flexible structural design, and easily accessible materials. However, one significant drawback of organic electrode materials is their tendency to dissolve in the electrolyte. Resazurin sodium salt (RSS) has demonstrated remarkable charge/discharge performance characterized by a voltage plateau and high capacity when utilized as a cathode in aqueous zinc-ion batteries (AZIBs). Unfortunately, the solubility of RSS as a sodium salt continues to pose challenges in AZIBs. In this study, we introduce an RSS-containing organic compound, triresazurin-triazine (TRT), with a porous structure prepared by a desalinization method from the RSS and 2,4,6-trichloro-1,3,5-triazine (TCT). This process retained active groups (carbonyl and nitroxide radical) while generating a highly conjugated structure, which not only inhibits the dissolution in the electrolyte, but also improves the electrical conductivity, enabling TRT to have excellent electrochemical properties. When evaluated as a cathode for AZIBs, TRT exhibits a high reversible capacity of 180 mA h g−1, exceptional rate performance (78 mA h g−1 under 2 A g−1), and excellent cycling stability with 65 mA h g−1 at 500 mA g−1 after 1000 cycles.",
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T1 - Boosting the zinc storage of a small-molecule organic cathode by a desalinization strategy

AU - Wang, Wei

AU - Tang, Ying

AU - Liu, Jun

AU - Li, Hongbao

AU - Wang, Rui

AU - Zhang, Longhai

AU - Liang, Fei

AU - Bai, Wei

AU - Zhang, Lin

AU - Zhang, Chaofeng

N1 - Funding Information: We are thankful for the financial support from the National Natural Science Foundation of China (52172173, 51872071), Natural Science Foundation of Anhui Province for Distinguished Young Scholars (2108085J25), Excellent Research and Innovation Team Project of Anhui Province (2022AH010001), Natural Science Foundation of Anhui Province (2208085QE130), Distinguished Youths Research Project of Anhui Province (2022AH020013), and the Open Fund of Guangdong Provincial Key Laboratory of Advance Energy Storage Materials (AESM202106). We acknowledge the High-performance Computing Platform of Anhui University for providing computing resources.

PY - 2023/8/2

Y1 - 2023/8/2

N2 - Organic materials offer great potential as electrodes for batteries due to their high theoretical capacity, flexible structural design, and easily accessible materials. However, one significant drawback of organic electrode materials is their tendency to dissolve in the electrolyte. Resazurin sodium salt (RSS) has demonstrated remarkable charge/discharge performance characterized by a voltage plateau and high capacity when utilized as a cathode in aqueous zinc-ion batteries (AZIBs). Unfortunately, the solubility of RSS as a sodium salt continues to pose challenges in AZIBs. In this study, we introduce an RSS-containing organic compound, triresazurin-triazine (TRT), with a porous structure prepared by a desalinization method from the RSS and 2,4,6-trichloro-1,3,5-triazine (TCT). This process retained active groups (carbonyl and nitroxide radical) while generating a highly conjugated structure, which not only inhibits the dissolution in the electrolyte, but also improves the electrical conductivity, enabling TRT to have excellent electrochemical properties. When evaluated as a cathode for AZIBs, TRT exhibits a high reversible capacity of 180 mA h g−1, exceptional rate performance (78 mA h g−1 under 2 A g−1), and excellent cycling stability with 65 mA h g−1 at 500 mA g−1 after 1000 cycles.

AB - Organic materials offer great potential as electrodes for batteries due to their high theoretical capacity, flexible structural design, and easily accessible materials. However, one significant drawback of organic electrode materials is their tendency to dissolve in the electrolyte. Resazurin sodium salt (RSS) has demonstrated remarkable charge/discharge performance characterized by a voltage plateau and high capacity when utilized as a cathode in aqueous zinc-ion batteries (AZIBs). Unfortunately, the solubility of RSS as a sodium salt continues to pose challenges in AZIBs. In this study, we introduce an RSS-containing organic compound, triresazurin-triazine (TRT), with a porous structure prepared by a desalinization method from the RSS and 2,4,6-trichloro-1,3,5-triazine (TCT). This process retained active groups (carbonyl and nitroxide radical) while generating a highly conjugated structure, which not only inhibits the dissolution in the electrolyte, but also improves the electrical conductivity, enabling TRT to have excellent electrochemical properties. When evaluated as a cathode for AZIBs, TRT exhibits a high reversible capacity of 180 mA h g−1, exceptional rate performance (78 mA h g−1 under 2 A g−1), and excellent cycling stability with 65 mA h g−1 at 500 mA g−1 after 1000 cycles.

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JF - Chemical science

SN - 2041-6520

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