Structure and electrochemistry of LiCrxMn1-xO2 cathode for lithium-ion batteries

Z. P. Guo; G. X. Wang; H. K. Liu; S. X. Dou

doi:10.1016/S0167-2738(02)00074-7

Structure and electrochemistry of LiCr_xMn_1-xO₂ cathode for lithium-ion batteries

Z. P. Guo, G. X. Wang, H. K. Liu, S. X. Dou

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

18 Citations (Scopus)

Abstract

m-LiCr_xMn_1-xO₂ solid solution has been synthesized by a solid state reaction method. The samples obtained show a first charging voltage of ∼4 V against a lithium electrode, but develops 4- and 3-V plateaus upon cycling, indicating transformation to spinel-like cation ordering within the oxide. Unlike previously reported lithium manganese spinels, the compound of this study shows excellent reversible capacity (> 160 mA h/g at C/5 rate) when cycled over both the 4- and 3-V plateaus. The discharge capacity fade rate of samples decreases with an increase in Cr substitution, and H₂SO₄ treatment could further improve the electrochemical performance of samples. © 2002 Elsevier Science B.V. All rights reserved.

Original language	English
Pages (from-to)	359-366
Journal	Solid State Ionics
Volume	148
Issue number	3-4
DOIs	https://doi.org/10.1016/S0167-2738(02)00074-7
Publication status	Published - Jun 2002
Externally published	Yes

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Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to <a href="mailto:[email protected]">[email protected]</a>.

Research Keywords

Electrochemistry
LiCrxMn1-xO2
Mo noclinic
Structure

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Cite this

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title = "Structure and electrochemistry of LiCrxMn1-xO2 cathode for lithium-ion batteries",

abstract = "m-LiCrxMn1-xO2 solid solution has been synthesized by a solid state reaction method. The samples obtained show a first charging voltage of ∼4 V against a lithium electrode, but develops 4- and 3-V plateaus upon cycling, indicating transformation to spinel-like cation ordering within the oxide. Unlike previously reported lithium manganese spinels, the compound of this study shows excellent reversible capacity (> 160 mA h/g at C/5 rate) when cycled over both the 4- and 3-V plateaus. The discharge capacity fade rate of samples decreases with an increase in Cr substitution, and H2SO4 treatment could further improve the electrochemical performance of samples. {\textcopyright} 2002 Elsevier Science B.V. All rights reserved.",

keywords = "Electrochemistry, LiCrxMn1-xO2, Mo noclinic, Structure",

author = "Guo, {Z. P.} and Wang, {G. X.} and Liu, {H. K.} and Dou, {S. X.}",

note = "Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to <a href={"}mailto:[email protected]{"}>[email protected]</a>.",

year = "2002",

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doi = "10.1016/S0167-2738(02)00074-7",

language = "English",

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pages = "359--366",

journal = "Solid State Ionics",

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TY - JOUR

T1 - Structure and electrochemistry of LiCrxMn1-xO2 cathode for lithium-ion batteries

AU - Guo, Z. P.

AU - Wang, G. X.

AU - Liu, H. K.

AU - Dou, S. X.

N1 - Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to <a href="mailto:[email protected]">[email protected]</a>.

PY - 2002/6

Y1 - 2002/6

N2 - m-LiCrxMn1-xO2 solid solution has been synthesized by a solid state reaction method. The samples obtained show a first charging voltage of ∼4 V against a lithium electrode, but develops 4- and 3-V plateaus upon cycling, indicating transformation to spinel-like cation ordering within the oxide. Unlike previously reported lithium manganese spinels, the compound of this study shows excellent reversible capacity (> 160 mA h/g at C/5 rate) when cycled over both the 4- and 3-V plateaus. The discharge capacity fade rate of samples decreases with an increase in Cr substitution, and H2SO4 treatment could further improve the electrochemical performance of samples. © 2002 Elsevier Science B.V. All rights reserved.

AB - m-LiCrxMn1-xO2 solid solution has been synthesized by a solid state reaction method. The samples obtained show a first charging voltage of ∼4 V against a lithium electrode, but develops 4- and 3-V plateaus upon cycling, indicating transformation to spinel-like cation ordering within the oxide. Unlike previously reported lithium manganese spinels, the compound of this study shows excellent reversible capacity (> 160 mA h/g at C/5 rate) when cycled over both the 4- and 3-V plateaus. The discharge capacity fade rate of samples decreases with an increase in Cr substitution, and H2SO4 treatment could further improve the electrochemical performance of samples. © 2002 Elsevier Science B.V. All rights reserved.

KW - Electrochemistry

KW - LiCrxMn1-xO2

KW - Mo noclinic

KW - Structure

UR - http://www.scopus.com/inward/record.url?scp=0036604161&partnerID=8YFLogxK

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-0036604161&origin=recordpage

U2 - 10.1016/S0167-2738(02)00074-7

DO - 10.1016/S0167-2738(02)00074-7

M3 - RGC 21 - Publication in refereed journal

SN - 0167-2738

VL - 148

SP - 359

EP - 366

JO - Solid State Ionics

JF - Solid State Ionics

IS - 3-4

ER -