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Issue 70, 2018
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Amorphous titanic acid electrode: its electrochemical storage of ammonium in a new water-in-salt electrolyte

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Abstract

We report an amorphous titanic acid of TiO1.85(OH)0.30·0.28H2O as a new electrode for aqueous ammonium-ion batteries, which operates in a new water-in-salt electrolyte—25 m NH4CH3COO. The titanic acid electrode exhibits a specific capacity nearly 8 times that from the crystalline TiO2 electrode. In electrochemical reactions, the amorphous titanic acid provides abundant storage sites in its disordered structure and affords strong H-bonding toward the inserted NH4+ ions.

Graphical abstract: Amorphous titanic acid electrode: its electrochemical storage of ammonium in a new water-in-salt electrolyte

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Publication details

The article was received on 13 Jun 2018, accepted on 01 Aug 2018 and first published on 02 Aug 2018


Article type: Communication
DOI: 10.1039/C8CC04713H
Citation: Chem. Commun., 2018,54, 9805-9808
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    Amorphous titanic acid electrode: its electrochemical storage of ammonium in a new water-in-salt electrolyte

    J. J. Holoubek, H. Jiang, D. Leonard, Y. Qi, G. C. Bustamante and X. Ji, Chem. Commun., 2018, 54, 9805
    DOI: 10.1039/C8CC04713H

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