Over 2 V Aqueous Sodium-Ion Battery with Prussian Blue-Type Electrodes

Kosuke Nakamoto, Ryo Sakamoto, Yuki Sawada, Masato Ito, Shigeto Okada

研究成果: Contribution to journalArticle

25 引用 (Scopus)

抜粋

High discharge voltage of more than 2 V is achieved in a novel aqueous sodium-ion battery with the combination of a Prussian blue-type sodium manganese hexacyanoferrate cathode, and a similar potassium manganese hexacyanochromate anode. Here, a highly concentrated sodium perchlorate aqueous electrolyte with a 2.8 V electrochemical window is used. By element analysis, the novel anode containing little potassium element possibly serves as a suitable host–guest anode, similarly as the cathode extracting/inserting sodium ion in a highly concentrated sodium-ion aqueous electrolyte. Open-framework electrodes and a highly concentrated but mobile aqueous electrolyte contribute to high voltage and high rate performance of the aqueous sodium-ion battery.

元の言語英語
記事番号1800220
ジャーナルSmall Methods
3
発行部数4
DOI
出版物ステータス出版済み - 4 1 2019

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Chemistry(all)

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