Issue 79, 2012
From the journal:

Chemical Communications

Experimental visualization of lithium conduction pathways in garnet-type Li7La3Zr2O12†

Jiantao Han,*a   Jinlong Zhu,a   Yutao Li,b   Xiaohui Yu,a   Shanmin Wang,a   Gang Wu,a   Hui Xie,b   Sven C. Vogel,*a   Fujio Izumi,c   Koichi Momma,d   Yukihiko Kawamura,e   Yunhui Huang,f   John B. Goodenoughb  and  Yusheng Zhao*a  

* Corresponding authors

a LANSCE-Lujan Neutron Scattering Center, Los Alamos National Laboratory, Los Alamos, New Mexico, USA
E-mail: jthan0509@gmail.com, sven@lanl.gov, yusheng.zhao@unlv.edu

b Texas Materials Institute, ETC 9.102, The University of Texas at Austin, USA

c Quantum Beam Center, National Institute for Materials Science, Namiki, Tsukuba, Ibaraki 305-0044, Japan

d National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, Ibaraki 305-0005, Japan

e Research Center for Neutron Science and Technology, Tokai-mura, Naka-gun, Ibaraki 319-1106, Japan

f School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, China

Abstract

The evolution of the Li-ion displacements in the 3D interstitial pathways of the cubic garnet-type Li7La3Zr2O12, cubic Li7La3Zr2O12, was investigated with high-temperature neutron diffraction (HTND) from RT to 600 °C; the maximum-entropy method (MEM) was applied to estimate the Li nuclear-density distribution. Temperature-driven Li displacements were observed; the displacements indicate that the conduction pathways in the garnet framework are restricted to diffusion through the tetrahedral sites of the interstitial space.

Graphical abstract: Experimental visualization of lithium conduction pathways in garnet-type Li7La3Zr2O12

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Article information

DOI
https://doi.org/10.1039/C2CC35089K
Article type
Communication
Submitted
16 Jul 2012
Accepted
07 Aug 2012
First published
08 Aug 2012

Chem. Commun., 2012,48, 9840-9842

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Experimental visualization of lithium conduction pathways in garnet-type Li7La3Zr2O12

J. Han, J. Zhu, Y. Li, X. Yu, S. Wang, G. Wu, H. Xie, S. C. Vogel, F. Izumi, K. Momma, Y. Kawamura, Y. Huang, J. B. Goodenough and Y. Zhao, Chem. Commun., 2012, 48, 9840 DOI: 10.1039/C2CC35089K

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