Sulfate Ion Influence of LiNi1/3Co1/3Mn1/3O2 as Cathode Material for Lithium-Ion Batteries

Jian Feng Dai; Ji Fei Liu; Bi Fu

doi:10.4028/www.scientific.net/AMR.1119.560

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1119Sulfate Ion Influence of LiNi1/3Co1/3Mn1/3O2 as...

Sulfate Ion Influence of LiNi_1/3Co_1/3Mn_1/3O₂ as Cathode Material for Lithium-Ion Batteries

Abstract:

The residue sulfate ions (SO₄²^-) occurs in an adsorption and complex salt manner which are significant influence the electrochemical properties of LiNi_1/3Co_1/3Mn_1/3O₂ as cathodes materials for lithium-ion batteries. Compare with different SO₄²^- concentration electrochemical performance reveals that low SO₄²^- concentration (0.28%) demonstrated a better charge/discharge cycle performance than the high SO₄²^- concentration (0.48%) of LiNi_1/3Co_1/3Mn_1/3O₂, it maintains a capacity of 148.9 mAh·g⁻¹ with a coulomb efficient of 91 % after 100 cycles which superior to the SO₄^2- concentration (0.48%) circulation coulomb efficient of 87%, respectively.

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Periodical:

Advanced Materials Research (Volume 1119)

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560-563

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1119.560

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Online since:

July 2015

Authors:

Jian Feng Dai*, Ji Fei Liu, Bi Fu

Keywords:

Cathode Material, Complex Salt, Coulomb Efficient, Cycle Performance

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