Using a fuel cell to study fluoride-based electrolytes

被引：49

作者：

Zhu, B ^{[1
]}

机构：

[1] Royal Inst Technol, Dept Chem Engn & Technol, SE-10044 Stockholm, Sweden

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 1999年 / 1卷 / 06期

关键词：

fuel cells; current-voltage characteristics; proton and oxygen ion conductivity; fluoride-based electrolytes;

D O I：

10.1016/S1388-2481(99)00047-8

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Fluoride-based electrolytes in fuel cell applications show a high proton conductivity, and also oxygen ion conductivity in some cases, and a variable stoichiometry in different gas atmospheres/environments. Fuel cell (FC) devices using these fluoride-based materials as electrolytes were studied to characterise their electrical properties when run. The results obtained from the measurements correspond directly to proton and oxygen ion transport in the FC process. A high proton conductivity value, e.g., 10(-2) S cm(-1), for temperatures above 700 degrees C, corresponds to a FC performance with a current density larger than several hundred mA cm(-2), and a peak power density of more than 100 mW cm(-2) (C) 1999 Elsevier Science S.A. All rights reserved.

引用

页码：242 / 246

页数：5