Solid State Ionics, volume 339, pages 114992

Preparation and characterization of Ga and Sr co-doped Li7La3Zr2O12 garnet-type solid electrolyte

Liwei Shen ¹

Li Wang ¹

Zhangjun Wang ¹

Chao Jin ¹

Peng Lin ¹

Xiaowei Pan ¹

Jiawen Sun ¹

Ruizhi Yang ¹

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College of Energy, Soochow Institute for Energy and Materials Innovations, Soochow University, Suzhou 215006, China |

Publication type: Journal Article

Publication date: 2019-10-01

Elsevier

Journal: Solid State Ionics

Quartile SCImago

Quartile WOS

Impact factor: 3.2

ISSN: 01672738

DOI: 10.1016/j.ssi.2019.05.027

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General Chemistry

Condensed Matter Physics

General Materials Science

Abstract

Due to promising ionic conductivity, wide electrochemical window, good chemical and thermal stability, garnet-type Li 7 La 3 Zr 2 O 12 (LLZO) solid electrolyte has attracted much attentions in the field of solid-state lithium batteries. Here, Ga and Sr co-doped LLZO has been prepared via solid-state reaction, and employed as lithium ion solid electrolytes. The results show that Ga 3+ -doping contributes to the formation of stable cubic phase at room temperature and constructing of three-dimensional lithium ion transmission channel. While, Sr-doping can give access to fine-tuning in structure and increase of Li + concentration. The optimized Li 6.5 Ga 0.2 La 2.9 Sr 0.1 Zr 2 O 12 solid electrolyte exhibits the highest ionic conductivity of 5.50 × 10 −4 S cm −1 at room temperature. • Ga and Sr co-doped Li 7 La 3 Zr 2 O 12 is designed and synthesized. • Ga-doping stabilizes cubic phase and Li + diffusion path. • Sr-doping increases the Li + concentration and ionic conductivity. • Li 6.5 Ga 0.2 La 2.9 Sr 0.1 Zr 2 O 12 exhibits highest ionic conductivity of 0.55 mS cm −1 .

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Shen L. et al. Preparation and characterization of Ga and Sr co-doped Li7La3Zr2O12 garnet-type solid electrolyte // Solid State Ionics. 2019. Vol. 339. p. 114992.

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Shen L., Wang L., Wang Z., Jin C., Lin P., Pan X., Sun J., Yang R. Preparation and characterization of Ga and Sr co-doped Li7La3Zr2O12 garnet-type solid electrolyte // Solid State Ionics. 2019. Vol. 339. p. 114992.

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RIS Copy

TY - JOUR

DO - 10.1016/j.ssi.2019.05.027

UR - https://doi.org/10.1016/j.ssi.2019.05.027

TI - Preparation and characterization of Ga and Sr co-doped Li7La3Zr2O12 garnet-type solid electrolyte

T2 - Solid State Ionics

AU - Shen, Liwei

AU - Wang, Li

AU - Wang, Zhangjun

AU - Jin, Chao

AU - Lin, Peng

AU - Pan, Xiaowei

AU - Sun, Jiawen

AU - Yang, Ruizhi

PY - 2019

DA - 2019/10/01 00:00:00

PB - Elsevier

SP - 114992

VL - 339

SN - 0167-2738

ER -

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BibTex Copy

@article{2019_Shen,

author = {Liwei Shen and Li Wang and Zhangjun Wang and Chao Jin and Peng Lin and Xiaowei Pan and Jiawen Sun and Ruizhi Yang},

title = {Preparation and characterization of Ga and Sr co-doped Li7La3Zr2O12 garnet-type solid electrolyte},

journal = {Solid State Ionics},

year = {2019},

volume = {339},

publisher = {Elsevier},

month = {oct},

url = {https://doi.org/10.1016/j.ssi.2019.05.027},

pages = {114992},

doi = {10.1016/j.ssi.2019.05.027}

}

Found error?

Publisher

Elsevier

Journal

Solid State Ionics

Quartile SCImago

Quartile WOS

Impact factor

3.2

ISSN

01672738 (Print)