A Ruddlesden–Popper oxide as a carbon dioxide tolerant cathode for solid oxide fuel cells that operate at intermediate temperatures

Shujun Peng; Song Lei; Sisi Wen; Jian Xue; Haihui Wang

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A Ruddlesden–Popper oxide as a carbon dioxide tolerant cathode for solid oxide fuel cells that operate at intermediate temperatures

Full Length Article | Updated：2026-01-06

- A Ruddlesden–Popper oxide as a carbon dioxide tolerant cathode for solid oxide fuel cells that operate at intermediate temperatures
- Chinese Journal of Chemical Engineering Vol. 56, Issue 4, Pages: 25-32(2023)
- Affiliations：
  
  1. School of Chemistry & Chemical Engineering, Jinggangshan University,Ji'an,China,343009
  2. School of Chemistry & Chemical Engineering, Guangdong Provincial Key Lab of Green Chemical Product Technology, South China University of Technology,Guangzhou,China,510640
  3. Beijing Key Laboratory of Membrane Materials and Engineering, Department of Chemical Engineering, Tsinghua University,Beijing,China,100084
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2023
- Accepted：
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Shujun Peng, Song Lei, Sisi Wen, Jian Xue, Haihui Wang. A Ruddlesden–Popper oxide as a carbon dioxide tolerant cathode for solid oxide fuel cells that operate at intermediate temperatures[J]. Chinese Journal of Chemical Engineering, 2023, 56(4): 25-32.
DOI：

Shujun Peng, Song Lei, Sisi Wen, Jian Xue, Haihui Wang. A Ruddlesden–Popper oxide as a carbon dioxide tolerant cathode for solid oxide fuel cells that operate at intermediate temperatures[J]. Chinese Journal of Chemical Engineering, 2023, 56(4): 25-32. DOI：

摘要

Abstract

Solid oxide fuel cells (SOFCs) that operate at intermediate temperatures of 600 to 800 ℃ have recently received increased attention due to their improved durability

more rapid startup and shutdown

better sealing and lower cost than their counterparts operate at high temperatures. Nevertheless

intermediate-temperature SOFCs (IT-SOFCs) with popular perovskite cathodes contain alkaline-earth elements

which are prone to reaction with carbon dioxide (CO

)

even when the CO

content is comparatively low. In this work

an alkaline-earth metal-free Ruddlesden–Popper oxide

1.8

0.2

0.74

0.21

0.05

O (NLNCG)

is developed for IT-SOFC cathodes. The cell is based on an electrolyte with 8% (mol) Y

-stabilized ZrO

(8YSZ). The NLNCG cathode exhibits an excellent CO

tolerance

as proven by thermogravimetry analysis

in situ

X-ray diffraction

I-V-P test

and electrochemical impedance spectroscopy (EIS)

and stability measurements. The anode-supported single-cell NiO-YSZ|YSZ|NLNCG outputs a peak power density of 0.522 W·cm

-2

at 800 ℃. These findings sugges

t that NLNCG could be a highly suitable cathode material with CO

tolerance for IT-SOFCs.

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