All-Solid-State Chloride-Ion Battery with Inorganic Solid Electrolyte

Ryo Sakamoto, Nobuaki Shirai, Atsushi Inoishi, Shigeto Okada

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Chloride-ion batteries have some attractive properties such as high energy density and low cost. However, they have poor cycle performance because chloride as an active material tends to dissolve into a polar solvent. Herein, an all-solid-state chloride-ion battery is demonstrated with KCl-doped PbCl2 as a solid electrolyte to suppress the dissolution of chloride. The all-solid-state cell with BiCl3 as the cathode had an initial discharge capacity of 187 mAh g−1, which corresponds to 73 % of the theoretical capacity of BiCl3. Moreover, it exhibited better cyclability compared to the previously reported non-aqueous cell with BiCl3 cathode. During the charge-discharge process, XRD and XPS analysis confirmed the unique behavior of conversion reaction by Cl anion, where Bi is produced by discharging and BiCl3 returns by charging.

Original languageEnglish
Pages (from-to)4441-4444
Number of pages4
JournalChemElectroChem
Volume8
Issue number23
DOIs
Publication statusPublished - Dec 1 2021

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Electrochemistry

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