Effect of MXene on Oxygen Ion Conductivity of Sm0.2Ce0.8O1.9 as Electrolyte for Low Temperature SOFC

被引：1

作者：

Xian, Hongxi ^{[1
,2
]}

Fan, Chanchan ^{[1
]}

Zhang, Peng ^{[1
]}

Wang, Ranran ^{[1
]}

Xu, Chenxi ^{[1
]}

Zhai, Hua ^{[2
,3
]}

Hong, Tao ^{[1
]}

Cheng, Jigui

机构：

[1] Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Anhui, Peoples R China

[2] Hefei Univ Technol, Inst Ind & Equipment Technol, Hefei 230009, Anhui, Peoples R China

[3] Hefei Univ Technol, Key Lab Aerosp Struct Parts Forming Technol & Equ, Hefei 230009, Anhui, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2019年 / 14卷 / 08期

基金：

中国国家自然科学基金;

关键词：

MXene; composite electrolyte; low temperature SOFC; Mechanical Strength; OXIDE COMPOSITE MEMBRANE; FUEL;

D O I：

10.20964/2019.08.07

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Low temperature solid oxide fuel cell (SOFC) has received great interest recently. However, the low oxygen ion conductivity of electrolyte restricts the operation temperature reduction for SOFC. In this report, 2D nanomaterial Ti3C2Tx is used as filler doped into the Sm0.2Ce0.8O1.9 (SDC) to enhance the conductivity and mechanical strength of composite electrolyte. The 5wt.% Ti3C2Tx/SDC composite membrane exhibits the 3 and 9 times ionic conductivity as that of SDC at 500 degrees C and 600 degrees C, respectively. Furthermore, the peak power density of the single cell enhanced by similar to 250% at 500 degrees C. The addition of Ti3C2Tx-MXene also improved the hardness, fracture toughness and thermal stability of composite membranes.

引用

页码：7729 / 7736

页数：8