Electrochemical characterization of a branched oligomer as a high-temperature and long-cycle-life additive for lithium-ion batteries

Yu Han Li; Meng Lun Lee; Fu Ming Wang; Chang Rung Yang; Peter P.J. Chu; Jing Pin Pan

doi:10.1016/j.electacta.2012.08.062

Electrochemical characterization of a branched oligomer as a high-temperature and long-cycle-life additive for lithium-ion batteries

Yu Han Li, Meng Lun Lee, Fu Ming Wang, Chang Rung Yang, Peter P.J. Chu, Jing Pin Pan

Department of Chemistry

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

6 Scopus citations

Abstract

We selected a maleimide-based branched oligomer (BO) as a high-temperature and long-cycle-life additive and studied the influence of different amounts of the BO additive on the electrochemical performance of lithium-ion batteries. The electrochemical performances of the additive-containing electrolytes in combination with a cell composed of a LiCoO₂ cathode and a mesocarbon microbead (MCMB) anode were tested in coin cells. The cyclic voltammetry (CV) results showed that the oxidation potential of the BO is about 1.9 V versus Li/Li+ and a thin film grown on the surface of the cathode. In the present work, 1.0 wt.% BO in 1.0 M LiPF₆/EC:DEC (4:6 by vol.%) electrolyte was the optimal condition for the improvement of the cycle ability of battery, especially, at high temperature (55 °C) condition.

Original language	English
Pages (from-to)	72-77
Number of pages	6
Journal	Electrochimica Acta
Volume	85
DOIs	https://doi.org/10.1016/j.electacta.2012.08.062
State	Published - 15 Dec 2012

Keywords

Branched oligomer
High temperature
Long cycle life

UN SDGs

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

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10.1016/j.electacta.2012.08.062

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@article{69bca2e1937644ffa3bef34aed727ea5,

title = "Electrochemical characterization of a branched oligomer as a high-temperature and long-cycle-life additive for lithium-ion batteries",

abstract = "We selected a maleimide-based branched oligomer (BO) as a high-temperature and long-cycle-life additive and studied the influence of different amounts of the BO additive on the electrochemical performance of lithium-ion batteries. The electrochemical performances of the additive-containing electrolytes in combination with a cell composed of a LiCoO2 cathode and a mesocarbon microbead (MCMB) anode were tested in coin cells. The cyclic voltammetry (CV) results showed that the oxidation potential of the BO is about 1.9 V versus Li/Li+ and a thin film grown on the surface of the cathode. In the present work, 1.0 wt.% BO in 1.0 M LiPF6/EC:DEC (4:6 by vol.%) electrolyte was the optimal condition for the improvement of the cycle ability of battery, especially, at high temperature (55 °C) condition.",

keywords = "Branched oligomer, High temperature, Long cycle life",

author = "Li, {Yu Han} and Lee, {Meng Lun} and Wang, {Fu Ming} and Yang, {Chang Rung} and Chu, {Peter P.J.} and Pan, {Jing Pin}",

note = "Funding Information: The authors would like to thank the National Science Council for financially supporting this research. The technical assistance of the National Central University and Materials and Chemical Research Laboratories of the Industrial Technology Research Institute (Taiwan) is appreciated.",

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TY - JOUR

T1 - Electrochemical characterization of a branched oligomer as a high-temperature and long-cycle-life additive for lithium-ion batteries

AU - Li, Yu Han

AU - Lee, Meng Lun

AU - Wang, Fu Ming

AU - Yang, Chang Rung

AU - Chu, Peter P.J.

AU - Pan, Jing Pin

N1 - Funding Information: The authors would like to thank the National Science Council for financially supporting this research. The technical assistance of the National Central University and Materials and Chemical Research Laboratories of the Industrial Technology Research Institute (Taiwan) is appreciated.

PY - 2012/12/15

Y1 - 2012/12/15

N2 - We selected a maleimide-based branched oligomer (BO) as a high-temperature and long-cycle-life additive and studied the influence of different amounts of the BO additive on the electrochemical performance of lithium-ion batteries. The electrochemical performances of the additive-containing electrolytes in combination with a cell composed of a LiCoO2 cathode and a mesocarbon microbead (MCMB) anode were tested in coin cells. The cyclic voltammetry (CV) results showed that the oxidation potential of the BO is about 1.9 V versus Li/Li+ and a thin film grown on the surface of the cathode. In the present work, 1.0 wt.% BO in 1.0 M LiPF6/EC:DEC (4:6 by vol.%) electrolyte was the optimal condition for the improvement of the cycle ability of battery, especially, at high temperature (55 °C) condition.

AB - We selected a maleimide-based branched oligomer (BO) as a high-temperature and long-cycle-life additive and studied the influence of different amounts of the BO additive on the electrochemical performance of lithium-ion batteries. The electrochemical performances of the additive-containing electrolytes in combination with a cell composed of a LiCoO2 cathode and a mesocarbon microbead (MCMB) anode were tested in coin cells. The cyclic voltammetry (CV) results showed that the oxidation potential of the BO is about 1.9 V versus Li/Li+ and a thin film grown on the surface of the cathode. In the present work, 1.0 wt.% BO in 1.0 M LiPF6/EC:DEC (4:6 by vol.%) electrolyte was the optimal condition for the improvement of the cycle ability of battery, especially, at high temperature (55 °C) condition.

KW - Branched oligomer

KW - High temperature

KW - Long cycle life

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U2 - 10.1016/j.electacta.2012.08.062

DO - 10.1016/j.electacta.2012.08.062

M3 - 期刊論文

AN - SCOPUS:84870461281

SN - 0013-4686

VL - 85

SP - 72

EP - 77

JO - Electrochimica Acta

JF - Electrochimica Acta

ER -

Electrochemical characterization of a branched oligomer as a high-temperature and long-cycle-life additive for lithium-ion batteries

Abstract

Keywords

UN SDGs

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