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Peer-reviewedCC BY-NC 4.0Batteries & Supercaps

Sodium and Potassium Storage Behaviour in AgNbO3 Perovskite

  • Metin Orbay
  • Abbas Khan
  • Olivier Crosnier
  • Thierry Brousse
  • Andrea Balducci
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Abstract

In this work, we report on the investigation the perovskite‐type AgNbO 3 as a model negative electrode for sodium and potassium systems. We demonstrated that during the initial discharge, regardless of the inserted cation, the material undergoes an activation mechanism that induces a crystalline‐to‐amorphous transition. This transition, in turn, leads to an enhancement of the electrode capacity. At 5 A g −1 sodium‐ion AgNbO 3 and Potassium‐ion AgNbO 3 display capacities of 81 mAh g −1 and 60 mAh g −1 , respectively. Furthermore, both electrodes display good cycling stability and efficiency over 350 cycles at 1 A g −1 .

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Cite

BibTeXRIS
BibTeX
@article{orbay2026sodium,
  title = {{Sodium and Potassium Storage Behaviour in AgNbO3 Perovskite}},
  author = {Metin Orbay and Abbas Khan and Olivier Crosnier and Thierry Brousse and Andrea Balducci},
  journal = {Batteries \& Supercaps},
  year = {2026},
  month = oct,
  doi = {10.1002/batt.202400602},
  url = {https://hal.science/hal-04822501v2},
  note = {CC BY-NC 4.0},
}
RIS
TY  - JOUR
TI  - Sodium and Potassium Storage Behaviour in AgNbO3 Perovskite
AU  - Metin Orbay
AU  - Abbas Khan
AU  - Olivier Crosnier
AU  - Thierry Brousse
AU  - Andrea Balducci
PY  - 2026
DA  - 2026/10/06
JO  - Batteries & Supercaps
DO  - 10.1002/batt.202400602
UR  - https://hal.science/hal-04822501v2
AB  - In this work, we report on the investigation the perovskite‐type AgNbO 3 as a model negative electrode for sodium and potassium systems. We demonstrated that during the initial discharge, regardless of the inserted cation, the material undergoes an activation mechanism that induces a crystalline‐to‐amorphous transition. This transition, in turn, leads to an enhancement of the electrode capacity. At 5 A g −1 sodium‐ion AgNbO 3 and Potassium‐ion AgNbO 3 display capacities of 81 mAh g −1 and 60 mAh g −1 , respectively. Furthermore, both electrodes display good cycling stability and efficiency over 350 cycles at 1 A g −1 .
SN  - 2566-6223
ER  -