Characterizations and electrochemical performance of pure and metal-doped Li{sub 4}Ti{sub 5}O{sub 12} for anode materials of lithium-ion batteries

Jeong, Euh Duck; Han, Hyun Ju; Jung, Ok Sang; Ha, Myoung Gyu; Doh, Chil Hoon; Hwang, Min Ji; Yang, Ho-Soon

doi:10.1016/J.MATERRESBULL.2012.04.137

Title: Characterizations and electrochemical performance of pure and metal-doped Li{sub 4}Ti{sub 5}O{sub 12} for anode materials of lithium-ion batteries

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Abstract

Pure and metal (Cu, Al, Sn, and V)-doped Li{sub 4}Ti{sub 5}O{sub 12} powders are prepared with solid-state reaction method. The effects of dopants on the physical and electrochemical properties are characterized by using TGA, XRD, and SEM. Compared with pure Li{sub 4}Ti{sub 5}O{sub 12}, metal-doped Li{sub 4}Ti{sub 5}O{sub 12} powders show structural stability and enhanced lithium ion diffusivity brought by doped metal ions. Voltage characteristics and initial charge–discharge characteristics according to the C rates in pure and metal-doped Li{sub 4}Ti{sub 5}O{sub 12} electrode materials are studied. Pure Li{sub 4}Ti{sub 5}O{sub 12} powder shows a relatively good discharge capacity of 164 mAh/g at a rate 0.2C, and some of metal-doped Li{sub 4}Ti{sub 5}O{sub 12} powders show higher discharge capacities. Metal-doped Li{sub 4}Ti{sub 5}O{sub 12} powders are promising candidates as anode materials for lithium-ion batteries.

Authors:

Jeong, Euh Duck ^[1]; Han, Hyun Ju ^[1]; Jung, Ok Sang ^[2]; Ha, Myoung Gyu ^[1]; Doh, Chil Hoon; Hwang, Min Ji ^[3]; Yang, Ho-Soon ^[4]

Division of High-Technology Materials Research, Korea Basic Science Institute, Pusan 618-230 (Korea, Republic of)
Department of Chemistry, Pusan National University, Pusan 609-735 (Korea, Republic of)
Korea Electrotechnology Research Institute, Changwon 642-120 (Korea, Republic of)
Department of Physics, Pusan National University, Pusan 609-735 (Korea, Republic of)

Publication Date:: Mon Oct 15 00:00:00 EDT 2012

OSTI Identifier:: 22215509

Resource Type:: Journal Article

Journal Name:: Materials Research Bulletin

Additional Journal Information:: Journal Volume: 47; Journal Issue: 10; Conference: IFFM2011: 2011 international forum on functional materials, Jeju Island (Korea, Republic of), 28-31 Jul 2011, AFM-2: 2. special symposium on advances in functional materials, Jeju Island (Korea, Republic of), 28-31 Jul 2011; Other Information: Copyright (c) 2012 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0025-5408

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; DOPED MATERIALS; ELECTRIC BATTERIES; LITHIUM IONS; LITHIUM TITANATES; POWDERS; SCANNING ELECTRON MICROSCOPY; THERMAL GRAVIMETRIC ANALYSIS; X-RAY DIFFRACTION

Citation Formats


                    Jeong, Euh Duck, Han, Hyun Ju, Department of Chemistry, Pusan National University, Pusan 609-735, Jung, Ok Sang, Ha, Myoung Gyu, Doh, Chil Hoon, Hwang, Min Ji, Yang, Ho-Soon, and Hong, K.S., E-mail: kyongsoo@kbsi.re.kr. Characterizations and electrochemical performance of pure and metal-doped Li{sub 4}Ti{sub 5}O{sub 12} for anode materials of lithium-ion batteries.  United States: N. p., 2012. 
        Web.  doi:10.1016/J.MATERRESBULL.2012.04.137.

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                    Jeong, Euh Duck, Han, Hyun Ju, Department of Chemistry, Pusan National University, Pusan 609-735, Jung, Ok Sang, Ha, Myoung Gyu, Doh, Chil Hoon, Hwang, Min Ji, Yang, Ho-Soon, & Hong, K.S., E-mail: kyongsoo@kbsi.re.kr. Characterizations and electrochemical performance of pure and metal-doped Li{sub 4}Ti{sub 5}O{sub 12} for anode materials of lithium-ion batteries.  United States.  https://doi.org/10.1016/J.MATERRESBULL.2012.04.137

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                    Jeong, Euh Duck, Han, Hyun Ju, Department of Chemistry, Pusan National University, Pusan 609-735, Jung, Ok Sang, Ha, Myoung Gyu, Doh, Chil Hoon, Hwang, Min Ji, Yang, Ho-Soon, and Hong, K.S., E-mail: kyongsoo@kbsi.re.kr. 2012.  
        "Characterizations and electrochemical performance of pure and metal-doped Li{sub 4}Ti{sub 5}O{sub 12} for anode materials of lithium-ion batteries".  United States.  https://doi.org/10.1016/J.MATERRESBULL.2012.04.137.

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@article{osti_22215509,

  title        = {Characterizations and electrochemical performance of pure and metal-doped Li{sub 4}Ti{sub 5}O{sub 12} for anode materials of lithium-ion batteries},

  author       = {Jeong, Euh Duck and Han, Hyun Ju and Department of Chemistry, Pusan National University, Pusan 609-735 and Jung, Ok Sang and Ha, Myoung Gyu and Doh, Chil Hoon and Hwang, Min Ji and Yang, Ho-Soon and Hong, K.S., E-mail: kyongsoo@kbsi.re.kr},

  abstractNote = {Pure and metal (Cu, Al, Sn, and V)-doped Li{sub 4}Ti{sub 5}O{sub 12} powders are prepared with solid-state reaction method. The effects of dopants on the physical and electrochemical properties are characterized by using TGA, XRD, and SEM. Compared with pure Li{sub 4}Ti{sub 5}O{sub 12}, metal-doped Li{sub 4}Ti{sub 5}O{sub 12} powders show structural stability and enhanced lithium ion diffusivity brought by doped metal ions. Voltage characteristics and initial charge–discharge characteristics according to the C rates in pure and metal-doped Li{sub 4}Ti{sub 5}O{sub 12} electrode materials are studied. Pure Li{sub 4}Ti{sub 5}O{sub 12} powder shows a relatively good discharge capacity of 164 mAh/g at a rate 0.2C, and some of metal-doped Li{sub 4}Ti{sub 5}O{sub 12} powders show higher discharge capacities. Metal-doped Li{sub 4}Ti{sub 5}O{sub 12} powders are promising candidates as anode materials for lithium-ion batteries.},

  doi          = {10.1016/J.MATERRESBULL.2012.04.137},

  url          = {https://www.osti.gov/biblio/22215509},
  journal      = {Materials Research Bulletin},

  issn         = {0025-5408},

  number       = 10,

  volume       = 47,

  place        = {United States},

  year         = {Mon Oct 15 00:00:00 EDT 2012},

  month        = {Mon Oct 15 00:00:00 EDT 2012}

}

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