Enhancing interface stability and ionic conductivity in the designed Na3SbP0.4xS4−xOx sulfide solid electrolyte through bridging oxygen - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Journal of Colloid and Interface Science Année : 2023

Enhancing interface stability and ionic conductivity in the designed Na3SbP0.4xS4−xOx sulfide solid electrolyte through bridging oxygen

Lingjun Shu
  • Fonction : Auteur
Chengwei Gao
  • Fonction : Auteur
Yongxing Liu
  • Fonction : Auteur
Hongli Ma
Xianghua Zhang
Xiang Shen
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Shixun Dai
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  • PersonId : 945987
Changgui Lin
  • Fonction : Auteur correspondant
  • PersonId : 960635

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Qing Jiao
  • Fonction : Auteur
  • PersonId : 1028275

Résumé

The all-solid-state sodium battery has emerged as a promising candidate for energy storage. However, the limited electrochemical stability of the solid electrolyte, particularly in the presence of Na metal at the anode, along with low ionic conductivity, hinders its widespread application. In this work, the design of P and O elements in Na3SbS4 solid electrolyte was investigated through a series of structural tests and characterizations. The electrochemical stability was remarkably improved in the Na/Na3SbP0.16S3.6O0.4/Na battery, exhibiting a stability of 260 h under a current of 0.1 mA cm−2. Additionally, the room temperature conductivity of Na3SbP0.16S3.6O0.4 was enhanced to 3.82 mS cm−1, maintaining a value comparable to commercial standards. The proposed design strategy provides an approach for developing sodium ion solid-state batteries with high energy density and long lifespan. The stability of the solid electrolyte interface at the Na | solid electrolyte interface proves critical for the successful assembly of all-solid-state sodium ion batteries. © 2023

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Matériaux
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Dates et versions

hal-04226695 , version 1 (31-10-2023)

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Lingjun Shu, Chengwei Gao, Yongxing Liu, Xiaolong Zhou, Hongli Ma, et al.. Enhancing interface stability and ionic conductivity in the designed Na3SbP0.4xS4−xOx sulfide solid electrolyte through bridging oxygen. Journal of Colloid and Interface Science, 2023, 652 (Part B), pp.2042-2053. ⟨10.1016/j.jcis.2023.09.013⟩. ⟨hal-04226695⟩
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