TU Darmstadt / ULB / TUbiblio

Garnet-Type Li7La3Zr2O12Solid Electrolyte Thin Films Grown by CO2-Laser Assisted CVD for All-Solid-State Batteries

Loho, Christoph and Djenadic, Ruzica and Bruns, Michael and Clemens, Oliver and Hahn, Horst (2017):
Garnet-Type Li7La3Zr2O12Solid Electrolyte Thin Films Grown by CO2-Laser Assisted CVD for All-Solid-State Batteries.
In: Journal of The Electrochemical Society, 164 (1), pp. A6131-A6139. Electrochemical Society, Inc, Pennington NJ, USA, ISSN 0013-4651,
DOI: 10.1149/2.0201701jes,
[Article]

Abstract

The detailed characterization of garnet-type Li-ion conducting Li7La3Zr2O12 (LLZO) solid electrolyte thin films grown by novel CO2-laser assisted chemical vapor deposition (LA-CVD) is reported. A deposition process parameter study reveals that an optimal combination of deposition temperature and oxygen partial pressure is essential to obtain high quality tetragonal LLZO thin films. The polycrystalline tetragonal LLZO films grown on platinum have a dense and homogeneous microstructure and are free of cracks. A total lithium ion conductivity of 4.2.10(-6) S.cm(-1) at room temperature, with an activation energy of 0.50 eV, is achieved. This is the highest total lithium ion conductivity value reported for tetragonal LLZO thin films so far, being about one order of magnitude higher than previously reported values for tetragonal LLZO thin films prepared by sputtering and pulsed laser deposition. The results of this study suggest that the tetragonal LLZO thin films grown by LA-CVD are applicable for the use in all-solid-state thin film lithium ion batteries. (C) The Author(s) 2016. Published by ECS. This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives 4.0 License (CC BY-NC-ND, http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial reuse, distribution, and reproduction in any medium, provided the original work is not changed in any way and is properly cited. For permission for commercial reuse, please email: oa@electrochem.org. All rights reserved.

Item Type: Article
Erschienen: 2017
Creators: Loho, Christoph and Djenadic, Ruzica and Bruns, Michael and Clemens, Oliver and Hahn, Horst
Title: Garnet-Type Li7La3Zr2O12Solid Electrolyte Thin Films Grown by CO2-Laser Assisted CVD for All-Solid-State Batteries
Language: English
Abstract:

The detailed characterization of garnet-type Li-ion conducting Li7La3Zr2O12 (LLZO) solid electrolyte thin films grown by novel CO2-laser assisted chemical vapor deposition (LA-CVD) is reported. A deposition process parameter study reveals that an optimal combination of deposition temperature and oxygen partial pressure is essential to obtain high quality tetragonal LLZO thin films. The polycrystalline tetragonal LLZO films grown on platinum have a dense and homogeneous microstructure and are free of cracks. A total lithium ion conductivity of 4.2.10(-6) S.cm(-1) at room temperature, with an activation energy of 0.50 eV, is achieved. This is the highest total lithium ion conductivity value reported for tetragonal LLZO thin films so far, being about one order of magnitude higher than previously reported values for tetragonal LLZO thin films prepared by sputtering and pulsed laser deposition. The results of this study suggest that the tetragonal LLZO thin films grown by LA-CVD are applicable for the use in all-solid-state thin film lithium ion batteries. (C) The Author(s) 2016. Published by ECS. This is an open access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives 4.0 License (CC BY-NC-ND, http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial reuse, distribution, and reproduction in any medium, provided the original work is not changed in any way and is properly cited. For permission for commercial reuse, please email: oa@electrochem.org. All rights reserved.

Journal or Publication Title: Journal of The Electrochemical Society
Journal volume: 164
Number: 1
Publisher: Electrochemical Society, Inc, Pennington NJ, USA
Divisions: 11 Department of Materials and Earth Sciences > Material Science > Fachgebiet Materialdesign durch Synthese
11 Department of Materials and Earth Sciences > Material Science > Joint Research Laboratory Nanomaterials
11 Department of Materials and Earth Sciences > Material Science
11 Department of Materials and Earth Sciences
Date Deposited: 28 Dec 2017 12:27
DOI: 10.1149/2.0201701jes
Official URL: https://doi.org/10.1149/2.0201701jes
Funders: Funded by Federal Ministry of Education and Research, Grant Number 6091/89161/03KP801, Funded by State of Hesse, Germany., Funded by Portfolio project "Electrochemical storage in systems" by Helmholtz Association., Funded by German Research Foundation , Grant Number CL551/2-1 .
Export:
Suche nach Titel in: TUfind oder in Google
Send an inquiry Send an inquiry

Options (only for editors)
Show editorial Details Show editorial Details