Oriented TiO2 Nanotubes as a Lithium Metal Storage Medium

Jae Hun Kim; Hee Kook Kang; Sang Gil Woo; Goojin Jeong; Min Sik Park; Ki Jae Kim; Ji Sang Yu; Taeeun Yim; Yong Nam Jo; Hansu Kim; Kai Zhu; Young Jun Kim

doi:10.1016/j.jelechem.2014.05.004

Oriented TiO2 Nanotubes as a Lithium Metal Storage Medium

Jae Hun Kim, Hee Kook Kang, Sang Gil Woo, Goojin Jeong, Min Sik Park, Ki Jae Kim, Ji Sang Yu, Taeeun Yim, Yong Nam Jo, Hansu Kim, Kai Zhu, Young Jun Kim

Chemistry and Nanoscience

Research output: Contribution to journal › Article › peer-review

22 Scopus Citations

Abstract

A new strategy for suppressing dendritic lithium growth in rechargeable lithium metal batteries is introduced, in which TiO₂ nanotube (NT) array electrodes prepared by anodization are used as a metallic lithium storage medium. During the first charge process, lithium ions are inserted into the crystal structure of the TiO₂ NT arrays, and then, lithium metal is deposited on the surfaces of the NT arrays, i.e., in the NT pores and between NT walls. From the second cycle onward, the TiO₂ material is used as lithium ion pathways, which results in the effective current distribution for lithium deposition and prevents disintegration of the deposited metallic lithium. Compared to a Li(Cu foil)-LiCoO₂ cell, the Li(TiO ₂ NT)-LiCoO₂ cell exhibits enhanced cycling efficiency. This new concept will enable other 3D structured negative active materials to be used as lithium metal storage media for lithium metal batteries.

Original language	American English
Pages (from-to)	51-54
Number of pages	4
Journal	Journal of Electroanalytical Chemistry
Volume	726
DOIs	https://doi.org/10.1016/j.jelechem.2014.05.004 https://doi.org/10.1016/j.jelechem.2014.05.004
State	Published - 24 Jul 2014

NREL Publication Number

NREL/JA-5900-70124

Keywords

Lithium metal electrode
Lithium secondary battery
Lithium storage
Nanotube
Titanium oxide

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@article{3e1527d6f83b4d239aa1977bde5f3ff6,

title = "Oriented TiO2 Nanotubes as a Lithium Metal Storage Medium",

abstract = "A new strategy for suppressing dendritic lithium growth in rechargeable lithium metal batteries is introduced, in which TiO2 nanotube (NT) array electrodes prepared by anodization are used as a metallic lithium storage medium. During the first charge process, lithium ions are inserted into the crystal structure of the TiO2 NT arrays, and then, lithium metal is deposited on the surfaces of the NT arrays, i.e., in the NT pores and between NT walls. From the second cycle onward, the TiO2 material is used as lithium ion pathways, which results in the effective current distribution for lithium deposition and prevents disintegration of the deposited metallic lithium. Compared to a Li(Cu foil)-LiCoO2 cell, the Li(TiO 2 NT)-LiCoO2 cell exhibits enhanced cycling efficiency. This new concept will enable other 3D structured negative active materials to be used as lithium metal storage media for lithium metal batteries.",

keywords = "Lithium metal electrode, Lithium secondary battery, Lithium storage, Nanotube, Titanium oxide",

author = "Kim, {Jae Hun} and Kang, {Hee Kook} and Woo, {Sang Gil} and Goojin Jeong and Park, {Min Sik} and Kim, {Ki Jae} and Yu, {Ji Sang} and Taeeun Yim and Jo, {Yong Nam} and Hansu Kim and Kai Zhu and Kim, {Young Jun}",

year = "2014",

month = jul,

day = "24",

doi = "10.1016/j.jelechem.2014.05.004",

language = "American English",

volume = "726",

pages = "51--54",

journal = "Journal of Electroanalytical Chemistry",

issn = "1572-6657",

publisher = "Elsevier BV",

}

TY - JOUR

T1 - Oriented TiO2 Nanotubes as a Lithium Metal Storage Medium

AU - Kim, Jae Hun

AU - Kang, Hee Kook

AU - Woo, Sang Gil

AU - Jeong, Goojin

AU - Park, Min Sik

AU - Kim, Ki Jae

AU - Yu, Ji Sang

AU - Yim, Taeeun

AU - Jo, Yong Nam

AU - Kim, Hansu

AU - Zhu, Kai

AU - Kim, Young Jun

PY - 2014/7/24

Y1 - 2014/7/24

N2 - A new strategy for suppressing dendritic lithium growth in rechargeable lithium metal batteries is introduced, in which TiO2 nanotube (NT) array electrodes prepared by anodization are used as a metallic lithium storage medium. During the first charge process, lithium ions are inserted into the crystal structure of the TiO2 NT arrays, and then, lithium metal is deposited on the surfaces of the NT arrays, i.e., in the NT pores and between NT walls. From the second cycle onward, the TiO2 material is used as lithium ion pathways, which results in the effective current distribution for lithium deposition and prevents disintegration of the deposited metallic lithium. Compared to a Li(Cu foil)-LiCoO2 cell, the Li(TiO 2 NT)-LiCoO2 cell exhibits enhanced cycling efficiency. This new concept will enable other 3D structured negative active materials to be used as lithium metal storage media for lithium metal batteries.

AB - A new strategy for suppressing dendritic lithium growth in rechargeable lithium metal batteries is introduced, in which TiO2 nanotube (NT) array electrodes prepared by anodization are used as a metallic lithium storage medium. During the first charge process, lithium ions are inserted into the crystal structure of the TiO2 NT arrays, and then, lithium metal is deposited on the surfaces of the NT arrays, i.e., in the NT pores and between NT walls. From the second cycle onward, the TiO2 material is used as lithium ion pathways, which results in the effective current distribution for lithium deposition and prevents disintegration of the deposited metallic lithium. Compared to a Li(Cu foil)-LiCoO2 cell, the Li(TiO 2 NT)-LiCoO2 cell exhibits enhanced cycling efficiency. This new concept will enable other 3D structured negative active materials to be used as lithium metal storage media for lithium metal batteries.

KW - Lithium metal electrode

KW - Lithium secondary battery

KW - Lithium storage

KW - Nanotube

KW - Titanium oxide

UR - http://www.scopus.com/inward/record.url?scp=84901931439&partnerID=8YFLogxK

U2 - 10.1016/j.jelechem.2014.05.004

DO - 10.1016/j.jelechem.2014.05.004

M3 - Article

AN - SCOPUS:84901931439

SN - 1572-6657

VL - 726

SP - 51

EP - 54

JO - Journal of Electroanalytical Chemistry

JF - Journal of Electroanalytical Chemistry

ER -

Oriented TiO2 Nanotubes as a Lithium Metal Storage Medium

Abstract

NREL Publication Number

Keywords

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