Sulfur-tolerant Fe-doped La0·3Sr0·7TiO3 perovskite as anode of direct carbon solid oxide fuel cells

Weizi Cai, Dan Cao, Mingyang Zhou, Xiaomin Yan, Yuzhi Li, Zhen Wu, Shengping Lü, Caiyun Mao, Yongmin Xie, Caiwen Zhao, Jialing Yu, Meng Ni, Jiang Liu and Hailin Wang

Energy, 2020, vol. 211, issue C

Abstract: Fe-doped La0·3Sr0·7TiO3 (LSFT) is synthesized and systematically characterized towards application as an anode material for direct carbon solid oxide fuel cells (DC-SOFCs). The structural, electrical and electrochemical properties of LSFT under the operation conditions of DC-SOFCs have been evaluated. High structural stability, improved ionic conductivity, electrocatalytic activity, and electrochemical performance are demonstrated. Electrolyte-supported DC-SOFC with LSFT anode provides a maximum power density of 292 mW cm−2 at 850 °C, which is comparable to those state-of-the-art Ni-YSZ anode for DC-SOFC. In addition, it shows excellent long-term operational stability (over 110 h) in H2S-containing CO atmosphere. It thus promises as a novel anode candidate for DC-SOFCs with whole-solid-state configuration.

Keywords: Direct carbon solid oxide fuel cell; Anode catalyst; Electrochemical oxidation; Lanthanum doped strontium titanate (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (5)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:211:y:2020:i:c:s036054422032065x

DOI: 10.1016/j.energy.2020.118958

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