Lithium-based transition-metal oxides for battery electrodes analyzed by x-ray photoelectron spectroscopy. X. Li4Ti5O12

Haasch, Richard T.; Abraham, Daniel P.

doi:10.1116/1.5080245

Title: Lithium-based transition-metal oxides for battery electrodes analyzed by x-ray photoelectron spectroscopy. X. Li₄Ti₅O₁₂

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Abstract

X-ray photoelectron spectroscopy (XPS) and x-ray-induced Auger electron spectroscopy were used to analyze untreated Li₄Ti₅O₁₂ powders obtained from Ishihara Sangyo Kaisha, Ltd. and Samsung Fine Chemicals Company, Ltd. X-ray photoelectron and x-ray-induced Auger electron spectra were obtained using incident monochromatic Al Kα radiation at 0.834 01 nm. A survey spectrum together with O 1s, Ti 2p, C 1s, Ti 3s, Li 1s, and Ti 3p are presented. The spectra indicate the principal core level photoelectron and Auger electron signals and show only minor potassium signal. Making use of the O 1s, Li 1s, and Ti 3p lines and neglecting the components related to surface contaminants, XPS quantitative analysis reveals an altered stoichiometry of the air-exposed powder surfaces from Ishihara Sangyo Kaisha, Ltd. and Samsung Fine Chemicals Company, Ltd. of Li₄Ti_4.7O_14.1 and Li₄Ti_4.3O_13.2, respectively.

Authors:

^[1]; Abraham, Daniel P. ^[2]

Univ. of Illinois, Urbana, IL (United States). Frederick Seitz Materials Research Lab. (FS-MRL)
Argonne National Lab. (ANL), Argonne, IL (United States). Chemical Sciences and Engineering Division

Publication Date:: Tue May 21 00:00:00 EDT 2019

Research Org.:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Vehicle Technologies Office (EE-3V)

OSTI Identifier:: 1566134

Grant/Contract Number:: AC02-06CH11357

Resource Type:: Accepted Manuscript

Journal Name:: Surface Science Spectra

Additional Journal Information:: Journal Volume: 26; Journal Issue: 1; Journal ID: ISSN 1055-5269

Publisher:: American Vacuum Society - AIP

Country of Publication:: United States

Language:: English

Subject:: 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; reference XPS spectra

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                    Haasch, Richard T., and Abraham, Daniel P. Lithium-based transition-metal oxides for battery electrodes analyzed by x-ray photoelectron spectroscopy. X. Li4Ti5O12.  United States: N. p., 2019. 
Web.  doi:10.1116/1.5080245.

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                    Haasch, Richard T., & Abraham, Daniel P. Lithium-based transition-metal oxides for battery electrodes analyzed by x-ray photoelectron spectroscopy. X. Li4Ti5O12.  United States.  https://doi.org/10.1116/1.5080245

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                    Haasch, Richard T., and Abraham, Daniel P. Tue .  
"Lithium-based transition-metal oxides for battery electrodes analyzed by x-ray photoelectron spectroscopy. X. Li4Ti5O12".  United States.  https://doi.org/10.1116/1.5080245.  https://www.osti.gov/servlets/purl/1566134.

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@article{osti_1566134,

  title        = {Lithium-based transition-metal oxides for battery electrodes analyzed by x-ray photoelectron spectroscopy. X. Li4Ti5O12},

  author       = {Haasch, Richard T. and Abraham, Daniel P.},

  abstractNote = {X-ray photoelectron spectroscopy (XPS) and x-ray-induced Auger electron spectroscopy were used to analyze untreated Li4Ti5O12 powders obtained from Ishihara Sangyo Kaisha, Ltd. and Samsung Fine Chemicals Company, Ltd. X-ray photoelectron and x-ray-induced Auger electron spectra were obtained using incident monochromatic Al Kα radiation at 0.834 01 nm. A survey spectrum together with O 1s, Ti 2p, C 1s, Ti 3s, Li 1s, and Ti 3p are presented. The spectra indicate the principal core level photoelectron and Auger electron signals and show only minor potassium signal. Making use of the O 1s, Li 1s, and Ti 3p lines and neglecting the components related to surface contaminants, XPS quantitative analysis reveals an altered stoichiometry of the air-exposed powder surfaces from Ishihara Sangyo Kaisha, Ltd. and Samsung Fine Chemicals Company, Ltd. of Li4Ti4.7O14.1 and Li4Ti4.3O13.2, respectively.},

  doi          = {10.1116/1.5080245},

  journal      = {Surface Science Spectra},

  number       = 1,

  volume       = 26,

  place        = {United States},

  year         = {Tue May 21 00:00:00 EDT 2019},

  month        = {Tue May 21 00:00:00 EDT 2019}

}

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Title: Lithium-based transition-metal oxides for battery electrodes analyzed by x-ray photoelectron spectroscopy. X. Li4Ti5O12

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Title: Lithium-based transition-metal oxides for battery electrodes analyzed by x-ray photoelectron spectroscopy. X. Li₄Ti₅O₁₂