Characterization of LiNi0.85Co0.10M0.05O2 (M = Al, Fe) as a cathode material for lithium secondary batteries

Kyung K. Lee; Won S. Yoon; Kwang B. Kim; Ki Y. Lee; Seung T. Hong

doi:10.1016/S0378-7753(01)00516-X

Characterization of LiNi_0.85Co_0.10M_0.05O₂ (M = Al, Fe) as a cathode material for lithium secondary batteries

Kyung K. Lee, Won S. Yoon, Kwang B. Kim, Ki Y. Lee, Seung T. Hong

Department of Materials Science and Engineering

Research output: Contribution to journal › Conference article

70 Citations (Scopus)

Abstract

The structural and electrochemical characteristics and the thermal behavior of four-cation oxides, LiNi_0.85Co_0.10M_0.05O₂ (M = Al, Fe) were examined by X-ray and neutron diffraction measurements, charge/discharge cycling and thermal analysis. LiNi_0.85Co_0.10Al_0.05O₂ showed enhanced electrochemical properties, i.e. a small polarization and a large reversible capacity during the charge/discharge cycling compared with LiNiO₂ and it is due to the structural stabilization of the nickelate in the wide range of x by Co and Al substitution. The substitution of Co, Al and Fe also had a beneficial effect on the thermal stability of LiNiO₂.

Original language	English
Pages (from-to)	308-312
Number of pages	5
Journal	Journal of Power Sources
Volume	97-98
DOIs	https://doi.org/10.1016/S0378-7753(01)00516-X
Publication status	Published - 2001 Jul 1
Event	10th International Meeting on Lithium Batteries - Como, Italy Duration: 2001 May 28 → 2001 Jun 2

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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

Cite this

Lee, K. K., Yoon, W. S., Kim, K. B., Lee, K. Y., & Hong, S. T. (2001). Characterization of LiNi_0.85Co_0.10M_0.05O₂ (M = Al, Fe) as a cathode material for lithium secondary batteries. Journal of Power Sources, 97-98, 308-312. https://doi.org/10.1016/S0378-7753(01)00516-X

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abstract = "The structural and electrochemical characteristics and the thermal behavior of four-cation oxides, LiNi0.85Co0.10M0.05O2 (M = Al, Fe) were examined by X-ray and neutron diffraction measurements, charge/discharge cycling and thermal analysis. LiNi0.85Co0.10Al0.05O2 showed enhanced electrochemical properties, i.e. a small polarization and a large reversible capacity during the charge/discharge cycling compared with LiNiO2 and it is due to the structural stabilization of the nickelate in the wide range of x by Co and Al substitution. The substitution of Co, Al and Fe also had a beneficial effect on the thermal stability of LiNiO2.",

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AU - Lee, Kyung K.

AU - Yoon, Won S.

AU - Kim, Kwang B.

AU - Lee, Ki Y.

AU - Hong, Seung T.

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N2 - The structural and electrochemical characteristics and the thermal behavior of four-cation oxides, LiNi0.85Co0.10M0.05O2 (M = Al, Fe) were examined by X-ray and neutron diffraction measurements, charge/discharge cycling and thermal analysis. LiNi0.85Co0.10Al0.05O2 showed enhanced electrochemical properties, i.e. a small polarization and a large reversible capacity during the charge/discharge cycling compared with LiNiO2 and it is due to the structural stabilization of the nickelate in the wide range of x by Co and Al substitution. The substitution of Co, Al and Fe also had a beneficial effect on the thermal stability of LiNiO2.

AB - The structural and electrochemical characteristics and the thermal behavior of four-cation oxides, LiNi0.85Co0.10M0.05O2 (M = Al, Fe) were examined by X-ray and neutron diffraction measurements, charge/discharge cycling and thermal analysis. LiNi0.85Co0.10Al0.05O2 showed enhanced electrochemical properties, i.e. a small polarization and a large reversible capacity during the charge/discharge cycling compared with LiNiO2 and it is due to the structural stabilization of the nickelate in the wide range of x by Co and Al substitution. The substitution of Co, Al and Fe also had a beneficial effect on the thermal stability of LiNiO2.

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Access to Document

10.1016/S0378-7753(01)00516-X