Patterning of lithium lanthanum titanium oxide films by soft lithography as electrolyte for all-solid-state Li-ion batteries

I. Kokal; O.F. Göbel; E.J. van den Ham; J.E. ten Elshof; P.H.L. Notten; H.T. Hintzen

doi:10.1016/j.ceramint.2015.07.084

Patterning of lithium lanthanum titanium oxide films by soft lithography as electrolyte for all-solid-state Li-ion batteries

I. Kokal, O.F. Göbel, E.J. van den Ham^*, J.E. ten Elshof, P.H.L. Notten, H.T. Hintzen

^*Corresponding author for this work

Inorganic Materials Science

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

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Abstract

The combination of sol–gel processing and soft-lithographic patterning presents a promising route towards three-dimensional (3D) micro Li-ion electrodes, and may offer a viable approach for the fabrication of all-solid-state 3D Li-ion batteries. The methods are relatively simple and therefore cheap and moreover easy to scale up. In this paper, micro-patterned films of the Li-ion conducting perovskite-type phase with nominal composition Li_0.29La_0.57TiO₃ (LLT) were prepared on silicon, using sol-gel synthesis in combination with micro-molding. After thermal annealing at 700 °C, the phase formation, morphology, chemical composition and LLT film thickness were investigated by X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Energy Dispersive Analysis of X-rays (EDAX) and Atomic Force Microscopy (AFM). The ionic conductivity of the LLT powder prepared during this study, determined by impedance spectroscopy, was 2.68·10⁻⁶ S/cm at 25 °C.

Original language	English
Pages (from-to)	13147-13152
Number of pages	6
Journal	Ceramics international
Volume	41
Issue number	10, Part A
DOIs	https://doi.org/10.1016/j.ceramint.2015.07.084
Publication status	Published - Dec 2015

Keywords

Micro-molding
Soft lithography
Solid-state lithium-ion conductors
Sol–gel chemistry
2023 OA procedure

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.ceramint.2015.07.084

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title = "Patterning of lithium lanthanum titanium oxide films by soft lithography as electrolyte for all-solid-state Li-ion batteries",

abstract = "The combination of sol–gel processing and soft-lithographic patterning presents a promising route towards three-dimensional (3D) micro Li-ion electrodes, and may offer a viable approach for the fabrication of all-solid-state 3D Li-ion batteries. The methods are relatively simple and therefore cheap and moreover easy to scale up. In this paper, micro-patterned films of the Li-ion conducting perovskite-type phase with nominal composition Li0.29La0.57TiO3 (LLT) were prepared on silicon, using sol-gel synthesis in combination with micro-molding. After thermal annealing at 700 °C, the phase formation, morphology, chemical composition and LLT film thickness were investigated by X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Energy Dispersive Analysis of X-rays (EDAX) and Atomic Force Microscopy (AFM). The ionic conductivity of the LLT powder prepared during this study, determined by impedance spectroscopy, was 2.68·10−6 S/cm at 25 °C.",

keywords = "Micro-molding, Soft lithography, Solid-state lithium-ion conductors, Sol–gel chemistry, 2023 OA procedure",

author = "I. Kokal and O.F. G{\"o}bel and {van den Ham}, E.J. and {ten Elshof}, J.E. and P.H.L. Notten and H.T. Hintzen",

note = "Funding Information: This work was supported by the Dutch Technology Foundation STW (Project 07796 ). The authors would like to thank Anneke Delsing for her technical support. Publisher Copyright: {\textcopyright} 2015 Elsevier Ltd and Techna Group S.r.l.",

year = "2015",

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language = "English",

volume = "41",

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AU - Kokal, I.

AU - Göbel, O.F.

AU - van den Ham, E.J.

AU - ten Elshof, J.E.

AU - Notten, P.H.L.

AU - Hintzen, H.T.

N1 - Funding Information: This work was supported by the Dutch Technology Foundation STW (Project 07796 ). The authors would like to thank Anneke Delsing for her technical support. Publisher Copyright: © 2015 Elsevier Ltd and Techna Group S.r.l.

PY - 2015/12

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N2 - The combination of sol–gel processing and soft-lithographic patterning presents a promising route towards three-dimensional (3D) micro Li-ion electrodes, and may offer a viable approach for the fabrication of all-solid-state 3D Li-ion batteries. The methods are relatively simple and therefore cheap and moreover easy to scale up. In this paper, micro-patterned films of the Li-ion conducting perovskite-type phase with nominal composition Li0.29La0.57TiO3 (LLT) were prepared on silicon, using sol-gel synthesis in combination with micro-molding. After thermal annealing at 700 °C, the phase formation, morphology, chemical composition and LLT film thickness were investigated by X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Energy Dispersive Analysis of X-rays (EDAX) and Atomic Force Microscopy (AFM). The ionic conductivity of the LLT powder prepared during this study, determined by impedance spectroscopy, was 2.68·10−6 S/cm at 25 °C.

AB - The combination of sol–gel processing and soft-lithographic patterning presents a promising route towards three-dimensional (3D) micro Li-ion electrodes, and may offer a viable approach for the fabrication of all-solid-state 3D Li-ion batteries. The methods are relatively simple and therefore cheap and moreover easy to scale up. In this paper, micro-patterned films of the Li-ion conducting perovskite-type phase with nominal composition Li0.29La0.57TiO3 (LLT) were prepared on silicon, using sol-gel synthesis in combination with micro-molding. After thermal annealing at 700 °C, the phase formation, morphology, chemical composition and LLT film thickness were investigated by X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Energy Dispersive Analysis of X-rays (EDAX) and Atomic Force Microscopy (AFM). The ionic conductivity of the LLT powder prepared during this study, determined by impedance spectroscopy, was 2.68·10−6 S/cm at 25 °C.

KW - Micro-molding

KW - Soft lithography

KW - Solid-state lithium-ion conductors

KW - Sol–gel chemistry

KW - 2023 OA procedure

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JF - Ceramics international

IS - 10, Part A

ER -

Patterning of lithium lanthanum titanium oxide films by soft lithography as electrolyte for all-solid-state Li-ion batteries

Abstract

Keywords

UN SDGs

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