Issue 40, 2011

First investigation on charge-discharge reaction mechanism of aqueous lithium ion batteries: a new anode material of Ag2V4O11 nanobelts

Abstract

Aqueous lithium ion batteries have been widely considered as promising “green” batteries due to several advantages, such as low toxicity, low cost, high safety, as well as high ion conductivity. But unlike the great effort devoted to understanding the lithium insertion/extraction process in non-aqueous lithium ion batteries, the knowledge about this in aqueous electrolytes is still lacking research at present. In this work, taking a new anode material of single-crystalline Ag2V4O11 nanobelts as an example, we investigated the charge-discharge reaction mechanism of aqueous lithium ion batteries for the first time. A two-step reaction mechanism was proposed and it was also deduced that crystallinity loss of the electrode materials and partial irreversibility of silver oxidation are the key reasons for rapid capacity fading. We expect this work to provide a scientific platform that could help to investigate and evaluate other electrode materials in this research area.

Graphical abstract: First investigation on charge-discharge reaction mechanism of aqueous lithium ion batteries: a new anode material of Ag2V4O11 nanobelts

Supplementary files

Article information

Article type
Paper
Submitted
17 Mar 2011
Accepted
15 Sep 2011
First published
23 Sep 2011

Dalton Trans., 2011,40, 10751-10757

First investigation on charge-discharge reaction mechanism of aqueous lithium ion batteries: a new anode material of Ag2V4O11 nanobelts

Y. Xu, X. Han, L. Zheng, S. Wei and Y. Xie, Dalton Trans., 2011, 40, 10751 DOI: 10.1039/C1DT10454C

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