TY  - JOUR
AU  - HUANG, Zuzhi
AU  - LUO, Linghong
AU  - LIU, Liangguang
AU  - WANG, Leying
AU  - CHENG, Liang
AU  - XU, Xu
AU  - WU, Yefan
PY  - 2018
TI  - Effect of Al2O3 addition on the non-isothermal crystallization kinetics and long-term stability of BCABS sealing glass for IT-SOFCs
JO  - Journal of Advanced Ceramics
SN  - 2226-4108
SP  - 380
EP  - 387
VL  - 7
IS  - 4
AB  - Owing to adjustable thermal expansion performance, BaO–CaO–Al2O3–B2O3–SiO2 (BCABS) glass has a promising commercialization prospect for intermediate temperature-solid oxide fuel cells (IT-SOFCs) sealing. Herein, Al2O3 with two different contents was added into the same glass formulation, referred to as A and B glass, respectively. In terms of the non-isothermal crystallization kinetic behavior, the effect of Al2O3 as the unique intermediate was innovatively studied on the long-term performance of BCABS sealing glass. After the heat treatment at 1023 K for 100 h, the change of the network structure and the expansion coefficient of the glass were characterized. The results showed that the addition of Al2O3 as a network forming body could enhance the structure of glass, and increase the activation energy for glass transition, which could effectively inhibit the crystallization ability of sealing glass. Therefore, the B glass with the higher Al2O3 content showed the better long-term sealing ability, which was greatly beneficial for IT-SOFCs sealing.
UR  - https://doi.org/10.1007/s40145-018-0294-0
DO  - 10.1007/s40145-018-0294-0