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<p>Xerogels, characterized by their three-dimensional and tunable porous structure, large specific surface area, and high electrical properties, have great potential in energy storage devices such as supercapacitors. Li-doped RF xerogels were successfully produced in this study, and XRD, FTIR, XPS, SEM, TEM, and BET analyses were performed to confirm their formation. Cyclic voltammetry (CV) analysis showed a maximum C<sub>GCD</sub> value of 62.4 Fg<sup>−1</sup> at a current density of 0.1 Ag<sup>−1</sup> for 10% Li-doped RF xerogels. The maximum energy density was 34.6 Whkg<sup>−1</sup> at a current density of 0.1 Ag<sup>−1</sup> for the 10% Li-doped xerogel supercapacitor. The maximum power density was obtained as 573.3 Wkg<sup>−1</sup> at a current density of 0.4 Ag<sup>−1</sup> for the 50% Li-doped xerogel supercapacitors, indicating high energy and power density compared to previous studies.</p>

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Lithium-doped resorcinol–formaldehyde xerogels for high-power-density aqueous symmetric supercapacitors

  • 期刊论文

  • 发表日期：

    2025年9月17日

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  • İ. Zorlu,
  • S. Korkmaz,
  • E. Bolsu Kariper,
  • İ. A. Kariper

摘要

Xerogels, characterized by their three-dimensional and tunable porous structure, large specific surface area, and high electrical properties, have great potential in energy storage devices such as supercapacitors. Li-doped RF xerogels were successfully produced in this study, and XRD, FTIR, XPS, SEM, TEM, and BET analyses were performed to confirm their formation. Cyclic voltammetry (CV) analysis showed a maximum CGCD value of 62.4 Fg−1 at a current density of 0.1 Ag−1 for 10% Li-doped RF xerogels. The maximum energy density was 34.6 Whkg−1 at a current density of 0.1 Ag−1 for the 10% Li-doped xerogel supercapacitor. The maximum power density was obtained as 573.3 Wkg−1 at a current density of 0.4 Ag−1 for the 50% Li-doped xerogel supercapacitors, indicating high energy and power density compared to previous studies.