Li-Ion Conduction and Stability of Perovskite Li_{3/8}Sr_{7/16}Hf_{1/4}Ta_{3/4}O₃

Bing Huang; Biyi Xu; Yutao Li; Weidong Zhou; Ya You; Shengwen Zhong; Chang-An Wang; John B. Goodenough

doi:10.1021/acsami.6b03070

journal article·2016-06-15

Li-Ion Conduction and Stability of Perovskite Li_3/8Sr_7/16Hf_1/4Ta_3/4O₃

Bing Huang, Biyi Xu, Yutao Li, Weidong Zhou, Ya You, Shengwen Zhong, Chang-An Wang, John B. Goodenough

ACS Applied Materials & Interfaces· Volume 8· Issue 23

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Source abstract

Abstract

A solid Li-ion conductor with a high room temperature Li-ion conductivity and small interfacial resistance is required for its application in next-generation Li-ion batteries. Here, we prepared a cubic perovskite-related oxide with the general formula Li3/8Sr7/16Hf1/4Ta3/4O3 (LSHT) by a conventional solid-state reaction method, which was studied by X-ray diffraction, electrochemical impedance spectroscopy, and (7)Li MAS NMR. Li3/8Sr7/16Hf1/4Ta3/4O3 has a high Li-ion conductivity of 3.8 × 10(-4) S cm(-1) at 25 °C and a low activation energy of 0.36 eV in the temperature range 298-430 K. It exhibits both high stability and small interfacial resistance with commercial organic liquid electrolytes, which makes it promising as a separator in Li-ion batteries.

Source: openalex_inverted_index · Quality: baseline

Research context

Energy storage Electronic materials

OpenAlex topics: Advanced Battery Materials and Technologies · Advancements in Battery Materials · Thermal Expansion and Ionic Conductivity

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, P.R. China

School of Material Science and Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, P.R. China

State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P.R. China

Materials Research Program and the Texas Materials Institute, ETC9.184, University of Texas at Austin, Austin, Texas 78712, United States

Funding

National Natural Science Foundation of China

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