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Halogen Doping in Na 3 PS 4 Solid Electrolytes for High Performance All-Solid-State Sodium Batteries.

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Title: Halogen Doping in Na 3 PS 4 Solid Electrolytes for High Performance All-Solid-State Sodium Batteries.
Authors: Miao, Liang1,2 (AUTHOR), Cao, Linxi2,3 (AUTHOR), Zhou, Yaxian1,3 (AUTHOR), Wang, Wei1,3 (AUTHOR), Luo, Yiwa1,2 (AUTHOR), Jiao, Shuqiang1,3 (AUTHOR)
Source: Energies (19961073). Feb2026, Vol. 19 Issue 3, p850. 12p.
Subject Terms: *Chlorine, *Solid electrolytes, *Halogens, *Energy storage, *Sodium ion batteries, *Ionic conductivity, *Sintering
Abstract: Sulfide-based solid electrolytes are promising for all-solid-state sodium batteries due to their high ionic conductivity and facile processability, but their practical use is limited by moisture sensitivity and poor interfacial stability. To address these issues, Na3−xPS4−xMx (M = F, Cl, Br, I) electrolytes were first synthesized as a preliminary study to evaluate the effect of halogen doping. Chlorine was identified as the most effective dopant and was therefore selected for a systematic investigation of doping concentration. Na3−xPS4−xClx (x = 0.1–0.3) electrolytes were prepared by solid-state sintering, and the optimum composition was determined to be Na2.85PS3.85Cl0.15, which achieved a high ionic conductivity of 5.5 × 10−4 S·cm−1 with a reduced activation energy of 33.3 kJ·mol−1. When employed in TiS2|Na2.85PS3.85Cl0.15|Na3Sn full cells, the optimized electrolyte enabled high initial capacity, excellent rate capability, and stable long-term cycling. These results highlight the effectiveness of Cl doping concentration control in enhancing both the intrinsic properties of Na3PS4-based electrolytes and the overall electrochemical performance of all-solid-state sodium batteries. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 191587329
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PubType: Academic Journal
PubTypeId: academicJournal
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Halogen Doping in Na 3 PS 4 Solid Electrolytes for High Performance All-Solid-State Sodium Batteries.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Miao%2C+Liang%22">Miao, Liang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cao%2C+Linxi%22">Cao, Linxi</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhou%2C+Yaxian%22">Zhou, Yaxian</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Wei%22">Wang, Wei</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Luo%2C+Yiwa%22">Luo, Yiwa</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jiao%2C+Shuqiang%22">Jiao, Shuqiang</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)
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  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Energies+%2819961073%29%22">Energies (19961073)</searchLink>. Feb2026, Vol. 19 Issue 3, p850. 12p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Chlorine%22">Chlorine</searchLink><br />*<searchLink fieldCode="DE" term="%22Solid+electrolytes%22">Solid electrolytes</searchLink><br />*<searchLink fieldCode="DE" term="%22Halogens%22">Halogens</searchLink><br />*<searchLink fieldCode="DE" term="%22Energy+storage%22">Energy storage</searchLink><br />*<searchLink fieldCode="DE" term="%22Sodium+ion+batteries%22">Sodium ion batteries</searchLink><br />*<searchLink fieldCode="DE" term="%22Ionic+conductivity%22">Ionic conductivity</searchLink><br />*<searchLink fieldCode="DE" term="%22Sintering%22">Sintering</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Sulfide-based solid electrolytes are promising for all-solid-state sodium batteries due to their high ionic conductivity and facile processability, but their practical use is limited by moisture sensitivity and poor interfacial stability. To address these issues, Na3−xPS4−xMx (M = F, Cl, Br, I) electrolytes were first synthesized as a preliminary study to evaluate the effect of halogen doping. Chlorine was identified as the most effective dopant and was therefore selected for a systematic investigation of doping concentration. Na3−xPS4−xClx (x = 0.1–0.3) electrolytes were prepared by solid-state sintering, and the optimum composition was determined to be Na2.85PS3.85Cl0.15, which achieved a high ionic conductivity of 5.5 × 10−4 S·cm−1 with a reduced activation energy of 33.3 kJ·mol−1. When employed in TiS2|Na2.85PS3.85Cl0.15|Na3Sn full cells, the optimized electrolyte enabled high initial capacity, excellent rate capability, and stable long-term cycling. These results highlight the effectiveness of Cl doping concentration control in enhancing both the intrinsic properties of Na3PS4-based electrolytes and the overall electrochemical performance of all-solid-state sodium batteries. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.3390/en19030850
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 12
        StartPage: 850
    Subjects:
      – SubjectFull: Chlorine
        Type: general
      – SubjectFull: Solid electrolytes
        Type: general
      – SubjectFull: Halogens
        Type: general
      – SubjectFull: Energy storage
        Type: general
      – SubjectFull: Sodium ion batteries
        Type: general
      – SubjectFull: Ionic conductivity
        Type: general
      – SubjectFull: Sintering
        Type: general
    Titles:
      – TitleFull: Halogen Doping in Na 3 PS 4 Solid Electrolytes for High Performance All-Solid-State Sodium Batteries.
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          Name:
            NameFull: Miao, Liang
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          Name:
            NameFull: Cao, Linxi
      – PersonEntity:
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            NameFull: Zhou, Yaxian
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            NameFull: Wang, Wei
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            NameFull: Luo, Yiwa
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            NameFull: Jiao, Shuqiang
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          Dates:
            – D: 01
              M: 02
              Text: Feb2026
              Type: published
              Y: 2026
          Identifiers:
            – Type: issn-print
              Value: 19961073
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              Value: 19
            – Type: issue
              Value: 3
          Titles:
            – TitleFull: Energies (19961073)
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