Atomic-scale characterization of tin-based intermetallic anodes

S. Naille; R. Dedryvère; D. Zitoun; P. E. Lippens

doi:10.1016/j.jpowsour.2008.07.049

Atomic-scale characterization of tin-based intermetallic anodes

S. Naille, R. Dedryvère, D. Zitoun, P. E. Lippens

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

17 Scopus citations

Abstract

Electrochemical reactions of lithium with Ni₃Sn₄- and CoSn₂-based anodes for Li-ion batteries are analysed from a combined experimental and theoretical approach. We have found that the first discharge consists in the nanostructuration of the pristine materials into metallic and Li₇Sn₂ nanoparticles. Then, the basic mechanism of the charge and discharge cycles is the reversible transformation of Li₇Sn₂ into Ni₃Sn₄ or CoSn₂ particles. Finally, the large irreversible capacity loss observed at the beginning of the first discharge is explained from interfacial reactions.

Original language	English
Pages (from-to)	806-808
Number of pages	3
Journal	Journal of Power Sources
Volume	189
Issue number	1
DOIs	https://doi.org/10.1016/j.jpowsour.2008.07.049
State	Published - 1 Apr 2009
Externally published	Yes

Keywords

Anodes
Mössbauer spectroscopy
Nanoparticles
Superparamagnetism
Tin
X-ray photoelectron spectroscopy

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.jpowsour.2008.07.049

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title = "Atomic-scale characterization of tin-based intermetallic anodes",

abstract = "Electrochemical reactions of lithium with Ni3Sn4- and CoSn2-based anodes for Li-ion batteries are analysed from a combined experimental and theoretical approach. We have found that the first discharge consists in the nanostructuration of the pristine materials into metallic and Li7Sn2 nanoparticles. Then, the basic mechanism of the charge and discharge cycles is the reversible transformation of Li7Sn2 into Ni3Sn4 or CoSn2 particles. Finally, the large irreversible capacity loss observed at the beginning of the first discharge is explained from interfacial reactions.",

keywords = "Anodes, M{\"o}ssbauer spectroscopy, Nanoparticles, Superparamagnetism, Tin, X-ray photoelectron spectroscopy",

author = "S. Naille and R. Dedryv{\`e}re and D. Zitoun and Lippens, {P. E.}",

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AU - Naille, S.

AU - Dedryvère, R.

AU - Zitoun, D.

AU - Lippens, P. E.

PY - 2009/4/1

Y1 - 2009/4/1

N2 - Electrochemical reactions of lithium with Ni3Sn4- and CoSn2-based anodes for Li-ion batteries are analysed from a combined experimental and theoretical approach. We have found that the first discharge consists in the nanostructuration of the pristine materials into metallic and Li7Sn2 nanoparticles. Then, the basic mechanism of the charge and discharge cycles is the reversible transformation of Li7Sn2 into Ni3Sn4 or CoSn2 particles. Finally, the large irreversible capacity loss observed at the beginning of the first discharge is explained from interfacial reactions.

AB - Electrochemical reactions of lithium with Ni3Sn4- and CoSn2-based anodes for Li-ion batteries are analysed from a combined experimental and theoretical approach. We have found that the first discharge consists in the nanostructuration of the pristine materials into metallic and Li7Sn2 nanoparticles. Then, the basic mechanism of the charge and discharge cycles is the reversible transformation of Li7Sn2 into Ni3Sn4 or CoSn2 particles. Finally, the large irreversible capacity loss observed at the beginning of the first discharge is explained from interfacial reactions.

KW - Anodes

KW - Mössbauer spectroscopy

KW - Nanoparticles

KW - Superparamagnetism

KW - Tin

KW - X-ray photoelectron spectroscopy

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SN - 0378-7753

VL - 189

SP - 806

EP - 808

JO - Journal of Power Sources

JF - Journal of Power Sources

IS - 1

ER -

Atomic-scale characterization of tin-based intermetallic anodes

Abstract

Keywords

UN SDGs

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