Preparation of nano-LaNiO 3 support electrode for rechargeable metal-air batteries

Masayoshi Yuasa, Hiroshi Imamura, Masatoshi Nishida, Tetsuya Kida, Kengo Shimanoe

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

We have already demonstrated that an air electrode using LaMnO 3-supported on LaNiO 3 efficiently works as a bi-functional air electrode for oxygen reduction and evolution. In order to improve the bi-functional activity, high specific surface area of nano-LaNiO 3 was prepared by a new route using ZnO particles as an aggregation inhibitor. Nano-sized LaNiO 3 (ca. 40 nm) was successfully prepared after removing ZnO by KOH solution from a LaNiO 3-ZnO mixture prepared by a reverse homogeneous precipitation (RHP) method. The result showed that increasing the surface area of LaNiO 3 support is very effective in improving both the oxygen reduction and evolution activities.

Original languageEnglish
Pages (from-to)50-52
Number of pages3
JournalElectrochemistry Communications
Volume24
Issue number1
DOIs
Publication statusPublished - Oct 1 2012

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Metals
Oxygen
Electrodes
Air
Specific surface area
Agglomeration

All Science Journal Classification (ASJC) codes

  • Electrochemistry

Cite this

Preparation of nano-LaNiO 3 support electrode for rechargeable metal-air batteries. / Yuasa, Masayoshi; Imamura, Hiroshi; Nishida, Masatoshi; Kida, Tetsuya; Shimanoe, Kengo.

In: Electrochemistry Communications, Vol. 24, No. 1, 01.10.2012, p. 50-52.

Research output: Contribution to journalArticle

Yuasa, Masayoshi ; Imamura, Hiroshi ; Nishida, Masatoshi ; Kida, Tetsuya ; Shimanoe, Kengo. / Preparation of nano-LaNiO 3 support electrode for rechargeable metal-air batteries. In: Electrochemistry Communications. 2012 ; Vol. 24, No. 1. pp. 50-52.
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