X-ray diffraction and X-ray photoelectron spectroscopy analysis of Cr-doped spinel LiMn2O4 for lithium ion batteries

Chuan Wu; Feng Wu; Liquan Chen; Xuejie Huang

doi:10.1016/S0167-2738(02)00328-4

X-ray diffraction and X-ray photoelectron spectroscopy analysis of Cr-doped spinel LiMn₂O₄ for lithium ion batteries

Chuan Wu, Feng Wu, Liquan Chen, Xuejie Huang^*

^*此作品的通讯作者

材料学院

科研成果: 期刊稿件 › 文章 › 同行评审

42 引用（Scopus）

摘要

Cr-doped LiMn₂O₄ spinels were synthesized by a solid-state reaction. X-ray photoelectron spectroscopy (XPS) investigation shows the structural and valence changes of the Cr-doped Li_xMn_2-yCr_zO₄ spinels with increasing Cr content. A conversion of Cr³⁺ to Cr⁶⁺ is found in the heavy-doped samples at 0.20<z<0.99. The further increase of z value results in the appearance of a second phase. The effects of Cr-doping on the structures and oxidation states are discussed.

源语言	英语
页（从-至）	335-339
页数	5
期刊	Solid State Ionics
卷	152-153
DOI	https://doi.org/10.1016/S0167-2738(02)00328-4
出版状态	已出版 - 12月 2002

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10.1016/S0167-2738(02)00328-4

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title = "X-ray diffraction and X-ray photoelectron spectroscopy analysis of Cr-doped spinel LiMn2O4 for lithium ion batteries",

abstract = "Cr-doped LiMn2O4 spinels were synthesized by a solid-state reaction. X-ray photoelectron spectroscopy (XPS) investigation shows the structural and valence changes of the Cr-doped LixMn2-yCrzO4 spinels with increasing Cr content. A conversion of Cr3+ to Cr6+ is found in the heavy-doped samples at 0.20",

keywords = "Cation-doping, LiMnO, Lithium ion batteries, XPS, XRD",

author = "Chuan Wu and Feng Wu and Liquan Chen and Xuejie Huang",

year = "2002",

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doi = "10.1016/S0167-2738(02)00328-4",

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T1 - X-ray diffraction and X-ray photoelectron spectroscopy analysis of Cr-doped spinel LiMn2O4 for lithium ion batteries

AU - Wu, Chuan

AU - Wu, Feng

AU - Chen, Liquan

AU - Huang, Xuejie

PY - 2002/12

Y1 - 2002/12

N2 - Cr-doped LiMn2O4 spinels were synthesized by a solid-state reaction. X-ray photoelectron spectroscopy (XPS) investigation shows the structural and valence changes of the Cr-doped LixMn2-yCrzO4 spinels with increasing Cr content. A conversion of Cr3+ to Cr6+ is found in the heavy-doped samples at 0.20

AB - Cr-doped LiMn2O4 spinels were synthesized by a solid-state reaction. X-ray photoelectron spectroscopy (XPS) investigation shows the structural and valence changes of the Cr-doped LixMn2-yCrzO4 spinels with increasing Cr content. A conversion of Cr3+ to Cr6+ is found in the heavy-doped samples at 0.20

KW - Cation-doping

KW - LiMnO

KW - Lithium ion batteries

KW - XPS

KW - XRD

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U2 - 10.1016/S0167-2738(02)00328-4

DO - 10.1016/S0167-2738(02)00328-4

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VL - 152-153

SP - 335

EP - 339

JO - Solid State Ionics

JF - Solid State Ionics

ER -

X-ray diffraction and X-ray photoelectron spectroscopy analysis of Cr-doped spinel LiMn2O4 for lithium ion batteries

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X-ray diffraction and X-ray photoelectron spectroscopy analysis of Cr-doped spinel LiMn₂O₄ for lithium ion batteries