Measurement and modeling of electrical, mechanical, and chemical properties of a model mixed ionic electronic conductor: Pr doped Ceria

被引：8

作者：

Bishop, S. R. ^{[1
]}

Chen, D. ^{[1
]}

Kuru, Y. ^{[1
]}

Kim, J. -J. ^{[1
]}

Stefanik, T. S. ^{[1
]}

Tuller, H. L. ^{[1
]}

机构：

[1] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA

来源：

SOLID STATE IONIC DEVICES 8 - NEMCA | 2011年 / 33卷 / 40期

基金：

美国国家科学基金会;

关键词：

CEO2; SINGLE-CRYSTALS; OXIDE; EXPANSION;

D O I：

10.1149/1.3589184

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Praseodymium doped cerium oxide (PCO) shows mixed ionic and electronic conducting (MIEC) characteristics at relatively high pO(2) (e.g. air) and enhanced oxygen storage capacity (OSC) resulting from the ready reduction of Pr to its trivalent state. These features are important in applications such as solid oxide fuel cell (SOFC) cathodes and permeation membranes, oxygen buffers in three-way catalysts, and gas sensors. In this proceedings article, we present an overview of our current and past efforts towards the electrical, chemical, mechanical, and optical characterization of PCO.

引用

页码：51 / 57

页数：7

共 11 条

[1] Defect equilibria and chemical expansion in non-stoichiometric undoped and gadolinium-doped cerium oxide [J].