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Surface Stabilization of O3-type Layered Oxide Cathode to Protect the Anode of Sodium Ion Batteries for Superior Lifespan

Journal Article


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Abstract


  • Even though the energy density of O3-type layer-structured metal oxide cathode can fully reach the

    requirement for large-scale energy storage systems, the cycling lifespan still cannot meet the demand

    for practical application once it is coupled with a non-sodium-metal anode in full-cell system. Transition

    metal dissolution into the electrolyte occurs along with continuous phase transformation and accelerates deterioration of the crystal structure, followed by migration and finally deposition on the anode

    to form a vicious circle. Surface engineering techniques are employed to modify the interface between

    active materials and the electrolyte by coating them with a thin layer of AlPO4 ion conductor. This stable thin layer can stabilize the surface crystal structure of the cathode material by avoiding element

    dissolution. Meanwhile, it can protect the anode from increased resistance by suppressing the dissolution-migration-deposition process. This technique is a promising method to improve the lifetime for

    the future commercialization.

Authors


  •   Zhang, Qi (external author)
  •   Gu, Qinfen (external author)
  •   Li, Yang (external author)
  •   Fan, Haining (external author)
  •   Luo, Wenbin (external author)
  •   Liu, Hua K.
  •   Dou, Shi Xue

Publication Date


  • 2019

Citation


  • Zhang, Q., Gu, Q., Li, Y., Fan, H., Luo, W., Liu, H. & Dou, S. (2019). Surface Stabilization of O3-type Layered Oxide Cathode to Protect the Anode of Sodium Ion Batteries for Superior Lifespan. iscience, 19 244-254.

Ro Full-text Url


  • https://ro.uow.edu.au/cgi/viewcontent.cgi?article=4930&context=aiimpapers

Ro Metadata Url


  • http://ro.uow.edu.au/aiimpapers/3875

Number Of Pages


  • 10

Start Page


  • 244

End Page


  • 254

Volume


  • 19

Place Of Publication


  • United States

Abstract


  • Even though the energy density of O3-type layer-structured metal oxide cathode can fully reach the

    requirement for large-scale energy storage systems, the cycling lifespan still cannot meet the demand

    for practical application once it is coupled with a non-sodium-metal anode in full-cell system. Transition

    metal dissolution into the electrolyte occurs along with continuous phase transformation and accelerates deterioration of the crystal structure, followed by migration and finally deposition on the anode

    to form a vicious circle. Surface engineering techniques are employed to modify the interface between

    active materials and the electrolyte by coating them with a thin layer of AlPO4 ion conductor. This stable thin layer can stabilize the surface crystal structure of the cathode material by avoiding element

    dissolution. Meanwhile, it can protect the anode from increased resistance by suppressing the dissolution-migration-deposition process. This technique is a promising method to improve the lifetime for

    the future commercialization.

Authors


  •   Zhang, Qi (external author)
  •   Gu, Qinfen (external author)
  •   Li, Yang (external author)
  •   Fan, Haining (external author)
  •   Luo, Wenbin (external author)
  •   Liu, Hua K.
  •   Dou, Shi Xue

Publication Date


  • 2019

Citation


  • Zhang, Q., Gu, Q., Li, Y., Fan, H., Luo, W., Liu, H. & Dou, S. (2019). Surface Stabilization of O3-type Layered Oxide Cathode to Protect the Anode of Sodium Ion Batteries for Superior Lifespan. iscience, 19 244-254.

Ro Full-text Url


  • https://ro.uow.edu.au/cgi/viewcontent.cgi?article=4930&context=aiimpapers

Ro Metadata Url


  • http://ro.uow.edu.au/aiimpapers/3875

Number Of Pages


  • 10

Start Page


  • 244

End Page


  • 254

Volume


  • 19

Place Of Publication


  • United States