Discharge performance of solid-state oxygen shuttle metal-air battery using Ca-stabilized ZrO2 electrolyte

Atsushi Inoishi, Hackho Kim, Takaaki Sakai, Young Wan Ju, Shintaro Ida, Tatsumi Ishihara

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The effects of metal choice on the electrochemical performance of oxygen-shuttle metal-air batteries with Ca-stabilized ZrO2 (CSZ) as the electrolyte and various metals as the anodes were studied at 1073 K. The equilibrium oxygen partial pressure (PO2) in the anode chamber was governed by the metal used in the anode chamber. A lower-PO2 environment in the anode decreased the polarization resistance of the anode. The oxidation of oxide ions to oxygen in the anode is drastically enhanced by the n-type conduction generated in the CSZ electrolyte when it is exposed to a reducing atmosphere. A high discharge potential and high capacity can be achieved in an oxygen-shuttle battery with a Li or Mg anode because of the fast anode reaction compared to that of cells with a Zn, Fe, or Sn anode. However, only the mildly reducing metals (Zn, Si, Fe, and Sn) can potentially be used in rechargeable metal-air batteries because the transport number of the CSZ electrolyte must be unity during charge and discharge. Oxygen shuttle rechargeable batteries with Fe, and Sn electrodes are demonstrated.

Original languageEnglish
Pages (from-to)1264-1269
Number of pages6
JournalChemSusChem
Volume8
Issue number7
DOIs
Publication statusPublished - Apr 13 2015

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Discharge (fluid mechanics)
electrolyte
Electrolytes
Anodes
Electrodes
Metals
Air
Oxygen
oxygen
metal
air
partial pressure
battery
solid state
electrode
Secondary batteries
polarization
oxide
Partial Pressure
oxidation

All Science Journal Classification (ASJC) codes

  • Environmental Chemistry
  • Chemical Engineering(all)
  • Materials Science(all)
  • Energy(all)

Cite this

Discharge performance of solid-state oxygen shuttle metal-air battery using Ca-stabilized ZrO2 electrolyte. / Inoishi, Atsushi; Kim, Hackho; Sakai, Takaaki; Ju, Young Wan; Ida, Shintaro; Ishihara, Tatsumi.

In: ChemSusChem, Vol. 8, No. 7, 13.04.2015, p. 1264-1269.

Research output: Contribution to journalArticle

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