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Synthesis of copper-doped pitch-derived mesoporous carbon as sulfur host for high-performance Li-S battery.

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Title: Synthesis of copper-doped pitch-derived mesoporous carbon as sulfur host for high-performance Li-S battery.
Authors: Fan, Dong-Ze1 (AUTHOR), Wang, Run-Ze1 (AUTHOR), Wang, Zeng-Rong2 (AUTHOR), Sun, Qiang1 (AUTHOR) sunq@smm.neu.edu.cn
Source: Journal of Industrial & Engineering Chemistry. Jul2026, Vol. 159, p534-543. 10p.
Subjects: Lithium sulfur batteries, Mesoporous materials, Oxidation-reduction reaction, Polysulfides, Energy storage, Sulfur
Abstract: Lithium-sulfur batteries are widely studied because of their exceptional theoretical energy density and specific capacity. However, their cycling stability is significantly compromised by the well-known shuttle effect, which leads to progressive capacity loss. While the introduction of mesoporous carbon materials into the cathode has effectively alleviated the above-mentioned issues, the inherent nonpolar nature of carbon limits its affinity for lithium polysulfides, thus failing to mitigate the shuttle effect. In this study, copper was incorporated into a mesoporous carbon host, enhancing the interaction between the host material and lithium polysulfides while preserving the mesoporous structure. The doped copper species act as active sites, improving the kinetics of sulfur redox reactions. When evaluated as a sulfur host in lithium-sulfur batteries, the composite material (with a pore size of 3 nm) delivered excellent cycling stability: a reversible capacity of 635 mA h g−1 after 400 cycles at 0.5 C and 491 mA h g−1 after 500 cycles at 2 C. These findings collectively underscore the feasibility and broad application prospects of incorporating metal species into mesoporous carbon as an effective strategy for high-performance lithium-sulfur batteries. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Industrial & Engineering Chemistry is the property of Elsevier B.V. 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: 193838396
AccessLevel: 6
PubType: Periodical
PubTypeId: serialPeriodical
PreciseRelevancyScore: 0
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  Label: Title
  Group: Ti
  Data: Synthesis of copper-doped pitch-derived mesoporous carbon as sulfur host for high-performance Li-S battery.
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  Data: <searchLink fieldCode="AR" term="%22Fan%2C+Dong-Ze%22">Fan, Dong-Ze</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Run-Ze%22">Wang, Run-Ze</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Zeng-Rong%22">Wang, Zeng-Rong</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sun%2C+Qiang%22">Sun, Qiang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> sunq@smm.neu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Industrial+%26+Engineering+Chemistry%22">Journal of Industrial & Engineering Chemistry</searchLink>. Jul2026, Vol. 159, p534-543. 10p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Lithium+sulfur+batteries%22">Lithium sulfur batteries</searchLink><br /><searchLink fieldCode="DE" term="%22Mesoporous+materials%22">Mesoporous materials</searchLink><br /><searchLink fieldCode="DE" term="%22Oxidation-reduction+reaction%22">Oxidation-reduction reaction</searchLink><br /><searchLink fieldCode="DE" term="%22Polysulfides%22">Polysulfides</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+storage%22">Energy storage</searchLink><br /><searchLink fieldCode="DE" term="%22Sulfur%22">Sulfur</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Lithium-sulfur batteries are widely studied because of their exceptional theoretical energy density and specific capacity. However, their cycling stability is significantly compromised by the well-known shuttle effect, which leads to progressive capacity loss. While the introduction of mesoporous carbon materials into the cathode has effectively alleviated the above-mentioned issues, the inherent nonpolar nature of carbon limits its affinity for lithium polysulfides, thus failing to mitigate the shuttle effect. In this study, copper was incorporated into a mesoporous carbon host, enhancing the interaction between the host material and lithium polysulfides while preserving the mesoporous structure. The doped copper species act as active sites, improving the kinetics of sulfur redox reactions. When evaluated as a sulfur host in lithium-sulfur batteries, the composite material (with a pore size of 3 nm) delivered excellent cycling stability: a reversible capacity of 635 mA h g−1 after 400 cycles at 0.5 C and 491 mA h g−1 after 500 cycles at 2 C. These findings collectively underscore the feasibility and broad application prospects of incorporating metal species into mesoporous carbon as an effective strategy for high-performance lithium-sulfur batteries. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Industrial & Engineering Chemistry is the property of Elsevier B.V. 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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1016/j.jiec.2026.01.007
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      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 10
        StartPage: 534
    Subjects:
      – SubjectFull: Lithium sulfur batteries
        Type: general
      – SubjectFull: Mesoporous materials
        Type: general
      – SubjectFull: Oxidation-reduction reaction
        Type: general
      – SubjectFull: Polysulfides
        Type: general
      – SubjectFull: Energy storage
        Type: general
      – SubjectFull: Sulfur
        Type: general
    Titles:
      – TitleFull: Synthesis of copper-doped pitch-derived mesoporous carbon as sulfur host for high-performance Li-S battery.
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            NameFull: Fan, Dong-Ze
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            NameFull: Wang, Run-Ze
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            NameFull: Wang, Zeng-Rong
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            NameFull: Sun, Qiang
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            – D: 25
              M: 07
              Text: Jul2026
              Type: published
              Y: 2026
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              Value: 159
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            – TitleFull: Journal of Industrial & Engineering Chemistry
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