Electrochimica Acta, volume 180, pages 37-42

W-Doped Li7La3Zr2O12 Ceramic Electrolytes for Solid State Li-ion Batteries

Publication typeJournal Article
Publication date2015-10-01
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor6.6
ISSN00134686
General Chemical Engineering
Electrochemistry
Abstract
W-doped Li 7 La 3 Zr 2 O 12 electrolytes with composition of Li 7-2x La 3 Zr 2-x W x O 12 (LLZWO, x = 0-0.55) were prepared by conventional solid state reaction. The incorporation of W proves beneficial to stabilization of cubic phase and densification of the ceramic, resulting in relative density of 96% and ionic conductivity of 6.6 × 10 −4  S cm −1 at 25 °C. Further analysis indicates that the LLZWO is not only chemically but also electrochemically (at least up to 4.5 V) stable against Li metal anodes. The batteries consisting of Li/LLZWO/Electrolyte-soaked separator/LiNi 0.33 Mn 0.33 Co 0.33 O 2 at 25 °C exhibit the capacity of 142 mAh g −1 at a constant current of 15 mA g −1 at the first discharge, which could run for 20 cycles with capacity retention of 94%. These results indicate that the W-doped LLZO ceramics are promising electrolytes for solid state lithium ion batteries.

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Li Y. et al. W-Doped Li7La3Zr2O12 Ceramic Electrolytes for Solid State Li-ion Batteries // Electrochimica Acta. 2015. Vol. 180. pp. 37-42.
GOST all authors (up to 50) Copy
Li Y., Wang Z., Yang C., Du F., Chen C., Cui Z., Guo X. W-Doped Li7La3Zr2O12 Ceramic Electrolytes for Solid State Li-ion Batteries // Electrochimica Acta. 2015. Vol. 180. pp. 37-42.
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RIS Copy
TY - JOUR
DO - 10.1016/j.electacta.2015.08.046
UR - https://linkinghub.elsevier.com/retrieve/pii/S0013468615302978
TI - W-Doped Li7La3Zr2O12 Ceramic Electrolytes for Solid State Li-ion Batteries
T2 - Electrochimica Acta
AU - Li, Yiqiu
AU - Wang, Zheng
AU - Yang, Cao
AU - Du, Fuming
AU - Chen, Cheng
AU - Cui, Zhonghui
AU - Guo, X.
PY - 2015
DA - 2015/10/01 00:00:00
PB - Elsevier
SP - 37-42
VL - 180
SN - 0013-4686
ER -
BibTex
Cite this
BibTex Copy
@article{2015_Li,
author = {Yiqiu Li and Zheng Wang and Cao Yang and Fuming Du and Cheng Chen and Zhonghui Cui and X. Guo},
title = {W-Doped Li7La3Zr2O12 Ceramic Electrolytes for Solid State Li-ion Batteries},
journal = {Electrochimica Acta},
year = {2015},
volume = {180},
publisher = {Elsevier},
month = {oct},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0013468615302978},
pages = {37--42},
doi = {10.1016/j.electacta.2015.08.046}
}
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