The dependence of heat generation of LiXMn2O 4 and LiAl0.17Mn1.83O3.97S 0.03 on entropy change (compared by the isothermal micro- calorimetry method)

Hyun Joo Bang; Hui Yang; Yang Kook Sun; Jai Prakash

The dependence of heat generation of Li_XMn₂O ₄ and LiAl_0.17Mn_1.83O_3.97S _0.03 on entropy change (compared by the isothermal micro- calorimetry method)

Hyun Joo Bang, Hui Yang, Yang Kook Sun, Jai Prakash

Research output: Contribution to conference › Paper › peer-review

1 Scopus citations

Abstract

The thermal profile of LiMn₂O₄ and LiAl _0.17Mn_1.83O_3.97A_0.03 was measured in an isothermal micro-calorimeter. The heat contributions are discussed in terms of reversible and irreversible heat generation. The endothermic and exothermic heat profiles observed during the charge and discharge processes are related to the Li insertion/extraction reaction in the spinel host structure for both materials. The reversible heat generation during cycling is estimated on the basis of the cell entropy change. The heat generation calculated from ΔS and the open circuit potential results shows good agreements with the experimental results obtained from the IMC at a slow charge/discharge rate. The contribution of irreversible heat generation on the overall heat generation rate is discussed.

Original language	English
Pages	300-309
Number of pages	10
State	Published - 2005
Externally published	Yes
Event	Fundamental Understanding of Electrode Processes, in Memory of Professor Ernest B. Yeager - Proceedings of the International Symposium - Orlando, FL, United States Duration: 12 Oct 2003 → 17 Dec 2003

Conference

Conference	Fundamental Understanding of Electrode Processes, in Memory of Professor Ernest B. Yeager - Proceedings of the International Symposium
Country/Territory	United States
City	Orlando, FL
Period	12/10/03 → 17/12/03

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Bang, H. J., Yang, H., Sun, Y. K., & Prakash, J. (2005). The dependence of heat generation of Li_XMn₂O ₄ and LiAl_0.17Mn_1.83O_3.97S _0.03 on entropy change (compared by the isothermal micro- calorimetry method). 300-309. Paper presented at Fundamental Understanding of Electrode Processes, in Memory of Professor Ernest B. Yeager - Proceedings of the International Symposium, Orlando, FL, United States.

Bang, Hyun Joo ; Yang, Hui ; Sun, Yang Kook et al. / The dependence of heat generation of Li_XMn₂O ₄ and LiAl_0.17Mn_1.83O_3.97S _0.03 on entropy change (compared by the isothermal micro- calorimetry method). Paper presented at Fundamental Understanding of Electrode Processes, in Memory of Professor Ernest B. Yeager - Proceedings of the International Symposium, Orlando, FL, United States.10 p.

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title = "The dependence of heat generation of LiXMn2O 4 and LiAl0.17Mn1.83O3.97S 0.03 on entropy change (compared by the isothermal micro- calorimetry method)",

abstract = "The thermal profile of LiMn2O4 and LiAl 0.17Mn1.83O3.97A0.03 was measured in an isothermal micro-calorimeter. The heat contributions are discussed in terms of reversible and irreversible heat generation. The endothermic and exothermic heat profiles observed during the charge and discharge processes are related to the Li insertion/extraction reaction in the spinel host structure for both materials. The reversible heat generation during cycling is estimated on the basis of the cell entropy change. The heat generation calculated from ΔS and the open circuit potential results shows good agreements with the experimental results obtained from the IMC at a slow charge/discharge rate. The contribution of irreversible heat generation on the overall heat generation rate is discussed.",

author = "Bang, {Hyun Joo} and Hui Yang and Sun, {Yang Kook} and Jai Prakash",

year = "2005",

language = "英语",

pages = "300--309",

note = "Fundamental Understanding of Electrode Processes, in Memory of Professor Ernest B. Yeager - Proceedings of the International Symposium ; Conference date: 12-10-2003 Through 17-12-2003",

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Bang, HJ, Yang, H, Sun, YK & Prakash, J 2005, 'The dependence of heat generation of Li_XMn₂O ₄ and LiAl_0.17Mn_1.83O_3.97S _0.03 on entropy change (compared by the isothermal micro- calorimetry method)', Paper presented at Fundamental Understanding of Electrode Processes, in Memory of Professor Ernest B. Yeager - Proceedings of the International Symposium, Orlando, FL, United States, 12/10/03 - 17/12/03 pp. 300-309.

The dependence of heat generation of Li_XMn₂O ₄ and LiAl_0.17Mn_1.83O_3.97S _0.03 on entropy change (compared by the isothermal micro- calorimetry method). / Bang, Hyun Joo; Yang, Hui; Sun, Yang Kook et al.
2005. 300-309 Paper presented at Fundamental Understanding of Electrode Processes, in Memory of Professor Ernest B. Yeager - Proceedings of the International Symposium, Orlando, FL, United States.

Research output: Contribution to conference › Paper › peer-review

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T1 - The dependence of heat generation of LiXMn2O 4 and LiAl0.17Mn1.83O3.97S 0.03 on entropy change (compared by the isothermal micro- calorimetry method)

AU - Bang, Hyun Joo

AU - Yang, Hui

AU - Sun, Yang Kook

AU - Prakash, Jai

PY - 2005

Y1 - 2005

N2 - The thermal profile of LiMn2O4 and LiAl 0.17Mn1.83O3.97A0.03 was measured in an isothermal micro-calorimeter. The heat contributions are discussed in terms of reversible and irreversible heat generation. The endothermic and exothermic heat profiles observed during the charge and discharge processes are related to the Li insertion/extraction reaction in the spinel host structure for both materials. The reversible heat generation during cycling is estimated on the basis of the cell entropy change. The heat generation calculated from ΔS and the open circuit potential results shows good agreements with the experimental results obtained from the IMC at a slow charge/discharge rate. The contribution of irreversible heat generation on the overall heat generation rate is discussed.

AB - The thermal profile of LiMn2O4 and LiAl 0.17Mn1.83O3.97A0.03 was measured in an isothermal micro-calorimeter. The heat contributions are discussed in terms of reversible and irreversible heat generation. The endothermic and exothermic heat profiles observed during the charge and discharge processes are related to the Li insertion/extraction reaction in the spinel host structure for both materials. The reversible heat generation during cycling is estimated on the basis of the cell entropy change. The heat generation calculated from ΔS and the open circuit potential results shows good agreements with the experimental results obtained from the IMC at a slow charge/discharge rate. The contribution of irreversible heat generation on the overall heat generation rate is discussed.

UR - http://www.scopus.com/inward/record.url?scp=28544448337&partnerID=8YFLogxK

M3 - 论文

AN - SCOPUS:28544448337

SP - 300

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T2 - Fundamental Understanding of Electrode Processes, in Memory of Professor Ernest B. Yeager - Proceedings of the International Symposium

Y2 - 12 October 2003 through 17 December 2003

ER -

Bang HJ, Yang H, Sun YK, Prakash J. The dependence of heat generation of Li_XMn₂O ₄ and LiAl_0.17Mn_1.83O_3.97S _0.03 on entropy change (compared by the isothermal micro- calorimetry method). 2005. Paper presented at Fundamental Understanding of Electrode Processes, in Memory of Professor Ernest B. Yeager - Proceedings of the International Symposium, Orlando, FL, United States.

The dependence of heat generation of Li_XMn₂O ₄ and LiAl_0.17Mn_1.83O_3.97S _0.03 on entropy change (compared by the isothermal micro- calorimetry method)

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