119Sn Mössbauer study of nickel–tin anodes for rechargeable lithium-ion batteries期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

119Sn Mössbauer study of nickel–tin anodes for rechargeable lithium-ion batteries

Authors:	S. Naille P. E. Lippens F. Morato J. Olivier-Fourcade

Affiliation:	(1) Laboratoire des Agrégats Moléculaires et Matériaux Inorganiques (CNRS UMR 5072), Université Montpellier II, CC 015, Place E. Bataillon, 34095 Montpellier cedex 5, France

Abstract:	¹¹⁹Sn Mössbauer spectrometry has been carried out on Ni–Sn alloys (Ni₃Sn LT, Ni₃Sn₂ LT and Ni₃Sn₄) and combined with ab initio calculations. Lithium insertion/extraction mechanisms of the most interesting compound (Ni₃Sn₄) have been studied from ¹¹⁹Sn Mössbauer measurements. The first discharge shows a plateau close to 0.0 V, which can be attributed to the formation of the Li₇Sn₂ alloy.

Keywords:	¹¹⁹Sn M?ssbauer spectrometry lithium-ion batteries intermetallic compounds lithium insertion mechanism
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