Effect of entropy change of lithium intercalation in cathodes and anodes on Li-ion battery thermal management

Vilayanur V. Viswanathan; Daiwon Choi; Donghai Wang; Wu Xu; Silas Towne; Ralph E. Williford; Ji Guang Zhang; Jun Liu; Zhenguo Yang

doi:10.1016/j.jpowsour.2009.11.103

Effect of entropy change of lithium intercalation in cathodes and anodes on Li-ion battery thermal management

Vilayanur V. Viswanathan, Daiwon Choi, Donghai Wang, Wu Xu, Silas Towne, Ralph E. Williford, Ji Guang Zhang, Jun Liu, Zhenguo Yang

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

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Abstract

The entropy changes (ΔS) in various cathode and anode materials, as well as in complete Li-ion batteries, were measured using an electrochemical thermodynamic measurement system (ETMS). LiCoO₂ has a much larger entropy change than electrodes based on LiNi_xCo_yMn_zO₂ and LiFePO₄, while lithium titanate based anodes have lower entropy change compared to graphite anodes. The reversible heat generation rate was found to be a significant portion of the total heat generation rate. The appropriate combinations of cathode and anode were investigated to minimize reversible heat generation rate across the 0-100% state of charge (SOC) range. In addition to screening for battery electrode materials with low reversible heat, the techniques described in this paper can be a useful engineering tool for battery thermal management in stationary and transportation applications.

Original language	English (US)
Pages (from-to)	3720-3729
Number of pages	10
Journal	Journal of Power Sources
Volume	195
Issue number	11
DOIs	https://doi.org/10.1016/j.jpowsour.2009.11.103
State	Published - Jun 1 2010

All Science Journal Classification (ASJC) codes

Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

UN SDGs

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

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10.1016/j.jpowsour.2009.11.103

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title = "Effect of entropy change of lithium intercalation in cathodes and anodes on Li-ion battery thermal management",

abstract = "The entropy changes (ΔS) in various cathode and anode materials, as well as in complete Li-ion batteries, were measured using an electrochemical thermodynamic measurement system (ETMS). LiCoO2 has a much larger entropy change than electrodes based on LiNixCoyMnzO2 and LiFePO4, while lithium titanate based anodes have lower entropy change compared to graphite anodes. The reversible heat generation rate was found to be a significant portion of the total heat generation rate. The appropriate combinations of cathode and anode were investigated to minimize reversible heat generation rate across the 0-100% state of charge (SOC) range. In addition to screening for battery electrode materials with low reversible heat, the techniques described in this paper can be a useful engineering tool for battery thermal management in stationary and transportation applications.",

author = "Viswanathan, {Vilayanur V.} and Daiwon Choi and Donghai Wang and Wu Xu and Silas Towne and Williford, {Ralph E.} and Zhang, {Ji Guang} and Jun Liu and Zhenguo Yang",

note = "Funding Information: The research described in this paper was conducted under the Laboratory Directed Research and Development Program at Pacific Northwest National Laboratory, a multi-program national laboratory operated by Battelle for the U.S. Department of Energy. We are also grateful to Dr. Imre Gyuk of the DOE-OE Electricity Storage Program for funding to continue this work, and for helpful discussions with Mr. Tien Duong of the DOE. We sincerely appreciate the significant help provided on the ETMS system by Dr. Joseph C. McMenamin, currently at CFX Battery in Azusa, CA. We are grateful to Dr. Jinxiang Dai and Dr. Ganesh Skandan of NEI Corporation for providing us with LiFePO 4 and Li titanate samples.",

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AU - Viswanathan, Vilayanur V.

AU - Choi, Daiwon

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AU - Xu, Wu

AU - Towne, Silas

AU - Williford, Ralph E.

AU - Zhang, Ji Guang

AU - Liu, Jun

AU - Yang, Zhenguo

N1 - Funding Information: The research described in this paper was conducted under the Laboratory Directed Research and Development Program at Pacific Northwest National Laboratory, a multi-program national laboratory operated by Battelle for the U.S. Department of Energy. We are also grateful to Dr. Imre Gyuk of the DOE-OE Electricity Storage Program for funding to continue this work, and for helpful discussions with Mr. Tien Duong of the DOE. We sincerely appreciate the significant help provided on the ETMS system by Dr. Joseph C. McMenamin, currently at CFX Battery in Azusa, CA. We are grateful to Dr. Jinxiang Dai and Dr. Ganesh Skandan of NEI Corporation for providing us with LiFePO 4 and Li titanate samples.

PY - 2010/6/1

Y1 - 2010/6/1

N2 - The entropy changes (ΔS) in various cathode and anode materials, as well as in complete Li-ion batteries, were measured using an electrochemical thermodynamic measurement system (ETMS). LiCoO2 has a much larger entropy change than electrodes based on LiNixCoyMnzO2 and LiFePO4, while lithium titanate based anodes have lower entropy change compared to graphite anodes. The reversible heat generation rate was found to be a significant portion of the total heat generation rate. The appropriate combinations of cathode and anode were investigated to minimize reversible heat generation rate across the 0-100% state of charge (SOC) range. In addition to screening for battery electrode materials with low reversible heat, the techniques described in this paper can be a useful engineering tool for battery thermal management in stationary and transportation applications.

AB - The entropy changes (ΔS) in various cathode and anode materials, as well as in complete Li-ion batteries, were measured using an electrochemical thermodynamic measurement system (ETMS). LiCoO2 has a much larger entropy change than electrodes based on LiNixCoyMnzO2 and LiFePO4, while lithium titanate based anodes have lower entropy change compared to graphite anodes. The reversible heat generation rate was found to be a significant portion of the total heat generation rate. The appropriate combinations of cathode and anode were investigated to minimize reversible heat generation rate across the 0-100% state of charge (SOC) range. In addition to screening for battery electrode materials with low reversible heat, the techniques described in this paper can be a useful engineering tool for battery thermal management in stationary and transportation applications.

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Effect of entropy change of lithium intercalation in cathodes and anodes on Li-ion battery thermal management

Abstract

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