Li(Ni1/3Co1/3Mn1/3)O2 as a suitable cathode for high power applications

I. Belharouak; Y. K. Sun; J. Liu; K. Amine

doi:10.1016/S0378-7753(03)00529-9

Li(Ni_1/3Co_1/3Mn_1/3)O₂ as a suitable cathode for high power applications

I. Belharouak, Y. K. Sun, J. Liu, K. Amine

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

344 Scopus citations

Abstract

The electrochemical performance of the layered Li(Ni_1/3Co_1/3Mn_1/3)O₂ material have been investigated as a promising cathode for a hybrid electric vehicle (HEV) application. A C/Li(Ni_1/3Co_1/3Mn_1/3)O₂ cell, cycled between 2.9 and 4.1V at 1.5C rate, does not show any sign of capacity fade up to 100 cycles, whereas at the 5C rate, a loss of only 18% of capacity is observed after 200 cycles. The Li(Ni_1/3Co_1/3Mn_1/3)O₂ host cathode converts from the hexagonal to a monoclinic symmetry at a high state of charge. The cell pulse power capability on charge and discharge were found to exceed the requirement for powering a hybrid HEV. The accelerated calendar life tests performed on C/Li(Ni_1/3Co_1/3Mn_1/3)O₂ cells charged at 4.1V and stored at 50°C have shown a limited area specific impedance (ASI) increase unlike C/Li(Ni_0.8Co_0.2)O₂ based-cells. A differential scanning calorimetry (DSC) comparative study clearly showed that the thermal stability of Li(Ni_1/3Co_1/3Mn_1/3)O₂ is much better than that of Li(Ni_0.8Co_0.2)O₂ and Li(Ni_0.8Co_0.15Al_0.05)O₂ cathodes. Also, DSC data of Li(Ni_1/3Co_1/3Mn_1/3)O₂ cathode charged at 4.1, 4.3, and 4.6V are presented and their corresponding exothermic heat flow peaks are discussed.

Original language	English
Pages (from-to)	247-252
Number of pages	6
Journal	Journal of Power Sources
Volume	123
Issue number	2
DOIs	https://doi.org/10.1016/S0378-7753(03)00529-9
State	Published - Sep 20 2003
Externally published	Yes

Funding

This work was supported by the US Department of Energy, Office of Advanced Automotive Technologies, under Contract no. W-31-10-ENG-38.

Funders	Funder number
Office of Advanced Automotive Technologies	W-31-10-ENG-38
U.S. Department of Energy

Keywords

Cathode material
High power
Hybrid electric vehicle
Layered structure
Li-ion batteries

UN SDGs

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

Access to Document

10.1016/S0378-7753(03)00529-9

Cite this

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title = "Li(Ni1/3Co1/3Mn1/3)O2 as a suitable cathode for high power applications",

abstract = "The electrochemical performance of the layered Li(Ni1/3Co1/3Mn1/3)O2 material have been investigated as a promising cathode for a hybrid electric vehicle (HEV) application. A C/Li(Ni1/3Co1/3Mn1/3)O2 cell, cycled between 2.9 and 4.1V at 1.5C rate, does not show any sign of capacity fade up to 100 cycles, whereas at the 5C rate, a loss of only 18% of capacity is observed after 200 cycles. The Li(Ni1/3Co1/3Mn1/3)O2 host cathode converts from the hexagonal to a monoclinic symmetry at a high state of charge. The cell pulse power capability on charge and discharge were found to exceed the requirement for powering a hybrid HEV. The accelerated calendar life tests performed on C/Li(Ni1/3Co1/3Mn1/3)O2 cells charged at 4.1V and stored at 50°C have shown a limited area specific impedance (ASI) increase unlike C/Li(Ni0.8Co0.2)O2 based-cells. A differential scanning calorimetry (DSC) comparative study clearly showed that the thermal stability of Li(Ni1/3Co1/3Mn1/3)O2 is much better than that of Li(Ni0.8Co0.2)O2 and Li(Ni0.8Co0.15Al0.05)O2 cathodes. Also, DSC data of Li(Ni1/3Co1/3Mn1/3)O2 cathode charged at 4.1, 4.3, and 4.6V are presented and their corresponding exothermic heat flow peaks are discussed.",

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AU - Liu, J.

AU - Amine, K.

PY - 2003/9/20

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N2 - The electrochemical performance of the layered Li(Ni1/3Co1/3Mn1/3)O2 material have been investigated as a promising cathode for a hybrid electric vehicle (HEV) application. A C/Li(Ni1/3Co1/3Mn1/3)O2 cell, cycled between 2.9 and 4.1V at 1.5C rate, does not show any sign of capacity fade up to 100 cycles, whereas at the 5C rate, a loss of only 18% of capacity is observed after 200 cycles. The Li(Ni1/3Co1/3Mn1/3)O2 host cathode converts from the hexagonal to a monoclinic symmetry at a high state of charge. The cell pulse power capability on charge and discharge were found to exceed the requirement for powering a hybrid HEV. The accelerated calendar life tests performed on C/Li(Ni1/3Co1/3Mn1/3)O2 cells charged at 4.1V and stored at 50°C have shown a limited area specific impedance (ASI) increase unlike C/Li(Ni0.8Co0.2)O2 based-cells. A differential scanning calorimetry (DSC) comparative study clearly showed that the thermal stability of Li(Ni1/3Co1/3Mn1/3)O2 is much better than that of Li(Ni0.8Co0.2)O2 and Li(Ni0.8Co0.15Al0.05)O2 cathodes. Also, DSC data of Li(Ni1/3Co1/3Mn1/3)O2 cathode charged at 4.1, 4.3, and 4.6V are presented and their corresponding exothermic heat flow peaks are discussed.

AB - The electrochemical performance of the layered Li(Ni1/3Co1/3Mn1/3)O2 material have been investigated as a promising cathode for a hybrid electric vehicle (HEV) application. A C/Li(Ni1/3Co1/3Mn1/3)O2 cell, cycled between 2.9 and 4.1V at 1.5C rate, does not show any sign of capacity fade up to 100 cycles, whereas at the 5C rate, a loss of only 18% of capacity is observed after 200 cycles. The Li(Ni1/3Co1/3Mn1/3)O2 host cathode converts from the hexagonal to a monoclinic symmetry at a high state of charge. The cell pulse power capability on charge and discharge were found to exceed the requirement for powering a hybrid HEV. The accelerated calendar life tests performed on C/Li(Ni1/3Co1/3Mn1/3)O2 cells charged at 4.1V and stored at 50°C have shown a limited area specific impedance (ASI) increase unlike C/Li(Ni0.8Co0.2)O2 based-cells. A differential scanning calorimetry (DSC) comparative study clearly showed that the thermal stability of Li(Ni1/3Co1/3Mn1/3)O2 is much better than that of Li(Ni0.8Co0.2)O2 and Li(Ni0.8Co0.15Al0.05)O2 cathodes. Also, DSC data of Li(Ni1/3Co1/3Mn1/3)O2 cathode charged at 4.1, 4.3, and 4.6V are presented and their corresponding exothermic heat flow peaks are discussed.

KW - Cathode material

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