Lithium (De)Intercalation Capacity of Li1.93Mn 0.97Ni0.10O3-δ

Role of Oxygen Deficiency

D. Pasero, L. J. Gillie, Anthony R. West

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Two compositional factors that control the lithium (de)intercalation capacity of nickel-doped Li2MnO3 have been identified. First is the Ni2+ content and (de)intercalation associated with the Ni2+/4+ redox-active couple. Second is the amount of oxygen deficiency achieved by preparing samples at different temperatures, together with creation of Mn3+ ions for charge balance and (de)intercalation associated with the Mn3+/4+ redox-active couple. Results demonstrating this effect are presented for composition Li1.93Mn 0.97Ni0.10O3-δ. The creation of an oxygen deficiency provides a novel method for enhancing the electrochemical performance of layered, rock-salt structured oxides.

Original languageEnglish
Pages (from-to)A392-A395
Number of pages4
JournalElectrochemical and Solid-State Letters
Volume8
Issue number8
DOIs
Publication statusPublished - 2005
Externally publishedYes

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hypoxia
Intercalation
Lithium
intercalation
lithium
Oxygen
halites
Nickel
Oxides
Salts
Rocks
nickel
Ions
oxides
Chemical analysis
ions
Temperature
temperature
Oxidation-Reduction

Cite this

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abstract = "Two compositional factors that control the lithium (de)intercalation capacity of nickel-doped Li2MnO3 have been identified. First is the Ni2+ content and (de)intercalation associated with the Ni2+/4+ redox-active couple. Second is the amount of oxygen deficiency achieved by preparing samples at different temperatures, together with creation of Mn3+ ions for charge balance and (de)intercalation associated with the Mn3+/4+ redox-active couple. Results demonstrating this effect are presented for composition Li1.93Mn 0.97Ni0.10O3-δ. The creation of an oxygen deficiency provides a novel method for enhancing the electrochemical performance of layered, rock-salt structured oxides.",
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Lithium (De)Intercalation Capacity of Li1.93Mn 0.97Ni0.10O3-δ : Role of Oxygen Deficiency. / Pasero, D.; Gillie, L. J.; West, Anthony R.

In: Electrochemical and Solid-State Letters, Vol. 8, No. 8, 2005, p. A392-A395.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Lithium (De)Intercalation Capacity of Li1.93Mn 0.97Ni0.10O3-δ

T2 - Role of Oxygen Deficiency

AU - Pasero, D.

AU - Gillie, L. J.

AU - West, Anthony R.

PY - 2005

Y1 - 2005

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AB - Two compositional factors that control the lithium (de)intercalation capacity of nickel-doped Li2MnO3 have been identified. First is the Ni2+ content and (de)intercalation associated with the Ni2+/4+ redox-active couple. Second is the amount of oxygen deficiency achieved by preparing samples at different temperatures, together with creation of Mn3+ ions for charge balance and (de)intercalation associated with the Mn3+/4+ redox-active couple. Results demonstrating this effect are presented for composition Li1.93Mn 0.97Ni0.10O3-δ. The creation of an oxygen deficiency provides a novel method for enhancing the electrochemical performance of layered, rock-salt structured oxides.

KW - Lithium compounds

KW - Manganese compounds

KW - Electrochemical electrodes

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