Cycling and storage performance at elevated temperatures of LiNi 0.5Mn1.5O4 positive electrodes for advanced 5 V Li-ion batteries

Boris Markovsky; Yosef Talyossef; Gregory Salitra; Doron Aurbach; Hyeong Jin Kim; Seungdon Choi

doi:10.1016/j.elecom.2004.06.005

Cycling and storage performance at elevated temperatures of LiNi _0.5Mn_1.5O₄ positive electrodes for advanced 5 V Li-ion batteries

Boris Markovsky
, Yosef Talyossef
, Gregory Salitra
, Doron Aurbach
, Hyeong Jin Kim
, Seungdon Choi

Department of Chemistry

LG Corporation

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

134 Scopus citations

Abstract

The electrochemical behavior of substituted spinel-nickel electrodes, LiNi_0.5Mn_1.5O₄, was studied during prolonged cycling (Li-ion extraction/insertion) and storage at elevated temperatures. We have found that using an appropriate cycling protocol (constant current/constant voltage) of Li/LiNi_0.5Mn_1.5O₄ cells, high charge-discharge capacities of the positive electrodes, around 140 mAh/g, can be obtained. At elevated temperatures, spinel-nickel electrodes demonstrated a stable performance and sufficient capacity retention in electrolyte solutions comprising alkyl carbonates (EC, DMC) and LiPF₆.

Original language	English
Pages (from-to)	821-826
Number of pages	6
Journal	Electrochemistry Communications
Volume	6
Issue number	8
DOIs	https://doi.org/10.1016/j.elecom.2004.06.005
State	Published - Aug 2004

Keywords

5 V lithium batteries
Cycling performance
Elevated temperatures
LiNiMnO electrodes

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10.1016/j.elecom.2004.06.005

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title = "Cycling and storage performance at elevated temperatures of LiNi 0.5Mn1.5O4 positive electrodes for advanced 5 V Li-ion batteries",

abstract = "The electrochemical behavior of substituted spinel-nickel electrodes, LiNi0.5Mn1.5O4, was studied during prolonged cycling (Li-ion extraction/insertion) and storage at elevated temperatures. We have found that using an appropriate cycling protocol (constant current/constant voltage) of Li/LiNi0.5Mn1.5O4 cells, high charge-discharge capacities of the positive electrodes, around 140 mAh/g, can be obtained. At elevated temperatures, spinel-nickel electrodes demonstrated a stable performance and sufficient capacity retention in electrolyte solutions comprising alkyl carbonates (EC, DMC) and LiPF6.",

keywords = "5 V lithium batteries, Cycling performance, Elevated temperatures, LiNiMnO electrodes",

author = "Boris Markovsky and Yosef Talyossef and Gregory Salitra and Doron Aurbach and Kim, \{Hyeong Jin\} and Seungdon Choi",

year = "2004",

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doi = "10.1016/j.elecom.2004.06.005",

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T1 - Cycling and storage performance at elevated temperatures of LiNi 0.5Mn1.5O4 positive electrodes for advanced 5 V Li-ion batteries

AU - Markovsky, Boris

AU - Talyossef, Yosef

AU - Salitra, Gregory

AU - Aurbach, Doron

AU - Kim, Hyeong Jin

AU - Choi, Seungdon

PY - 2004/8

Y1 - 2004/8

N2 - The electrochemical behavior of substituted spinel-nickel electrodes, LiNi0.5Mn1.5O4, was studied during prolonged cycling (Li-ion extraction/insertion) and storage at elevated temperatures. We have found that using an appropriate cycling protocol (constant current/constant voltage) of Li/LiNi0.5Mn1.5O4 cells, high charge-discharge capacities of the positive electrodes, around 140 mAh/g, can be obtained. At elevated temperatures, spinel-nickel electrodes demonstrated a stable performance and sufficient capacity retention in electrolyte solutions comprising alkyl carbonates (EC, DMC) and LiPF6.

AB - The electrochemical behavior of substituted spinel-nickel electrodes, LiNi0.5Mn1.5O4, was studied during prolonged cycling (Li-ion extraction/insertion) and storage at elevated temperatures. We have found that using an appropriate cycling protocol (constant current/constant voltage) of Li/LiNi0.5Mn1.5O4 cells, high charge-discharge capacities of the positive electrodes, around 140 mAh/g, can be obtained. At elevated temperatures, spinel-nickel electrodes demonstrated a stable performance and sufficient capacity retention in electrolyte solutions comprising alkyl carbonates (EC, DMC) and LiPF6.

KW - 5 V lithium batteries

KW - Cycling performance

KW - Elevated temperatures

KW - LiNiMnO electrodes

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JO - Electrochemistry Communications

JF - Electrochemistry Communications

IS - 8

ER -

Cycling and storage performance at elevated temperatures of LiNi _0.5Mn_1.5O₄ positive electrodes for advanced 5 V Li-ion batteries

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Keywords

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