Interfacial protonic conduction in ceramics

被引：34

作者：

Park, Hee Jung ^{[1
]}

Kwak, Chan ^{[1
]}

Lee, Kyu Hyoung ^{[1
]}

Lee, Sang Mock ^{[1
]}

Lee, Eun Sung ^{[1
]}

机构：

[1] Samsung Adv Inst Technol, Yongin 446712, South Korea

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2009年 / 29卷 / 12期

关键词：

Interfacial protonic conduction; Nanostructure; Heterostructure; Solid electrolyte; Fuel cells; GRAIN-BOUNDARY CONDUCTIVITY; THERMAL GRAVIMETRIC ANALYSIS; ELECTRICAL-CONDUCTIVITY; CHEMICAL-STABILITY; IONIC-CONDUCTION; OXYGEN DIFFUSION; WATER; TRANSPORT; COMPOSITE; ZIRCONIA;

D O I：

10.1016/j.jeurceramsoc.2009.02.010

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Ceramics displaying protonic conduction have been the subject of intense research due to their potential applications in fuel cells, hydrogen membranes, and water electrolysis equipment. As a result, a number of ceramics presenting high bulk protonic conductivity have been reported; however, overall protonic conductivities in these ceramics are markedly low due to low interfacial conductance. Thus, there has been recent attention to the protonic characteristics in the interface. Interest has greatly increased for nanostructured and heterostructured ceramics using interfacial conductance. Herein, we summarize the interfacial protonic conductivity and the conduction mechanisms reported in ceramics, with a focus on solid oxides. (C) 2009 Elsevier Ltd. All fights reserved.

引用

页码：2429 / 2437

页数：9

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