Lithiation reactions of Zn- and Li-birnessites in non-aqueous solutions and their stabilities

Lihui Liu; Qi Feng; K. Yanagisawa; G. Bignall; T. Hashida

doi:10.1023/A:1014504125281

Lithiation reactions of Zn- and Li-birnessites in non-aqueous solutions and their stabilities

Lihui Liu, Qi Feng, K. Yanagisawa, G. Bignall, T. Hashida

ENG - Fracture and Reliability Research Institute

Research output: Contribution to journal › Article › peer-review

20 Citations (Scopus)

Abstract

Zn- and Li-birnessites were synthesized from Na-birnessite by ion-exchange reactions. The ion-exchange reaction, chemical lithiation reaction in non-aqueous solution, and stability for these birnessites were investigated by XRD, TG-DTA, and chemical analyses. The Zn-birnessite showed greater thermal stability than Li-birnessite. The Zn- and Li-birnessites can be lithiated up to Li/Mn molar ratios of 0.45 and 1.08, respectively, by reaction in a Lil-acetonitrile solution. The lithiation of Zn-birnessite progressed by a redox topotactic reaction, but the Li-birnessite was unstable during the lithiation reaction. The lithiated Zn-birnessite showed greater thermal stability than lithiated Li-birnessite. The Zn species in the interlayer space of lithiated Zn-birnessite acts as a pillar for the stabilization of the layered structure.

Original language	English
Pages (from-to)	1315-1320
Number of pages	6
Journal	Journal of Materials Science
Volume	37
Issue number	7
DOIs	https://doi.org/10.1023/A:1014504125281
Publication status	Published - 2002 Apr 1

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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title = "Lithiation reactions of Zn- and Li-birnessites in non-aqueous solutions and their stabilities",

abstract = "Zn- and Li-birnessites were synthesized from Na-birnessite by ion-exchange reactions. The ion-exchange reaction, chemical lithiation reaction in non-aqueous solution, and stability for these birnessites were investigated by XRD, TG-DTA, and chemical analyses. The Zn-birnessite showed greater thermal stability than Li-birnessite. The Zn- and Li-birnessites can be lithiated up to Li/Mn molar ratios of 0.45 and 1.08, respectively, by reaction in a Lil-acetonitrile solution. The lithiation of Zn-birnessite progressed by a redox topotactic reaction, but the Li-birnessite was unstable during the lithiation reaction. The lithiated Zn-birnessite showed greater thermal stability than lithiated Li-birnessite. The Zn species in the interlayer space of lithiated Zn-birnessite acts as a pillar for the stabilization of the layered structure.",

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AU - Liu, Lihui

AU - Feng, Qi

AU - Yanagisawa, K.

AU - Bignall, G.

AU - Hashida, T.

PY - 2002/4/1

Y1 - 2002/4/1

N2 - Zn- and Li-birnessites were synthesized from Na-birnessite by ion-exchange reactions. The ion-exchange reaction, chemical lithiation reaction in non-aqueous solution, and stability for these birnessites were investigated by XRD, TG-DTA, and chemical analyses. The Zn-birnessite showed greater thermal stability than Li-birnessite. The Zn- and Li-birnessites can be lithiated up to Li/Mn molar ratios of 0.45 and 1.08, respectively, by reaction in a Lil-acetonitrile solution. The lithiation of Zn-birnessite progressed by a redox topotactic reaction, but the Li-birnessite was unstable during the lithiation reaction. The lithiated Zn-birnessite showed greater thermal stability than lithiated Li-birnessite. The Zn species in the interlayer space of lithiated Zn-birnessite acts as a pillar for the stabilization of the layered structure.

AB - Zn- and Li-birnessites were synthesized from Na-birnessite by ion-exchange reactions. The ion-exchange reaction, chemical lithiation reaction in non-aqueous solution, and stability for these birnessites were investigated by XRD, TG-DTA, and chemical analyses. The Zn-birnessite showed greater thermal stability than Li-birnessite. The Zn- and Li-birnessites can be lithiated up to Li/Mn molar ratios of 0.45 and 1.08, respectively, by reaction in a Lil-acetonitrile solution. The lithiation of Zn-birnessite progressed by a redox topotactic reaction, but the Li-birnessite was unstable during the lithiation reaction. The lithiated Zn-birnessite showed greater thermal stability than lithiated Li-birnessite. The Zn species in the interlayer space of lithiated Zn-birnessite acts as a pillar for the stabilization of the layered structure.

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