scholarly journals A robust and active hybrid catalyst for facile oxygen reduction in solid oxide fuel cells

2017 ◽  
Vol 10 (4) ◽  
pp. 964-971 ◽  
Author(s):  
Yu Chen ◽  
Yan Chen ◽  
Dong Ding ◽  
Yong Ding ◽  
YongMan Choi ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Fuel Cell ◽  
Solid Oxide Fuel Cells ◽  
Solid Oxide Fuel Cell ◽  
Oxygen Reduction ◽  
Electrocatalytic Activity ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Hybrid Catalyst ◽  
Fuel Cell Cathode

A hybrid catalyst coating dramatically enhances the electrocatalytic activity and durability of a solid oxide fuel cell cathode.

A review of sulfur poisoning of solid oxide fuel cell cathode materials for solid oxide fuel cells

2020 ◽  
Vol 478 ◽  
pp. 228763 ◽  
Author(s):  
Fangfang Wang ◽  
Haruo Kishimoto ◽  
Tomohiro Ishiyama ◽  
Katherine Develos-Bagarinao ◽  
Katsuhiko Yamaji ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Fuel Cell ◽  
Solid Oxide Fuel Cells ◽  
Solid Oxide Fuel Cell ◽  
Cathode Materials ◽  
Solid Oxide ◽  
Sulfur Poisoning ◽  
Oxide Fuel ◽  
Fuel Cell Cathode ◽  
Cell Cathode

scholarly journals Integrated Cr and S poisoning of a La0.6Sr0.4Co0.2Fe0.8O3−δ (LSCF) cathode for solid oxide fuel cells

RSC Advances ◽  
2021 ◽  
Vol 11 (1) ◽  
pp. 7-14
Author(s):  
Cheng Cheng Wang ◽  
Mortaza Gholizadeh ◽  
Bingxue Hou ◽  
Xincan Fan
Keyword(s):  
Fuel Cells ◽  
Fuel Cell ◽  
Solid Oxide Fuel Cells ◽  
Solid Oxide Fuel Cell ◽  
Solid Oxide ◽  
Cell Performance ◽  
Oxide Fuel ◽  
Performance Deterioration

Strontium segregation in a La0.6Sr0.4Co0.2Fe0.8O3−δ (LSCF) electrode reacts with Cr and S in a solid oxide fuel cell (SOFC), which can cause cell performance deterioration.

Multiscale Transient and Steady-State Study of the Influence of Microstructure Degradation and Chromium Oxide Poisoning on Solid Oxide Fuel Cell Cathode Performance

2018 ◽  
Vol 43 (1) ◽  
pp. 21-42 ◽  
Author(s):  
Guanchen Li ◽  
Michael R. von Spakovsky ◽  
Fengyu Shen ◽  
Kathy Lu
Keyword(s):  
Fuel Cell ◽  
Solid Oxide Fuel Cell ◽  
Oxygen Reduction ◽  
Chromium Oxide ◽  
Spatial Scales ◽  
Solid Oxide ◽  
Heat Diffusion ◽  
Oxide Fuel ◽  
Fuel Cell Cathode ◽  
Cell Cathode

AbstractOxygen reduction in a solid oxide fuel cell cathode involves a nonequilibrium process of coupled mass and heat diffusion and electrochemical and chemical reactions. These phenomena occur at multiple temporal and spatial scales, making the modeling, especially in the transient regime, very difficult. Nonetheless, multiscale models are needed to improve the understanding of oxygen reduction and guide cathode design. Of particular importance for long-term operation are microstructure degradation and chromium oxide poisoning both of which degrade cathode performance. Existing methods are phenomenological or empirical in nature and their application limited to the continuum realm with quantum effects not captured. In contrast, steepest-entropy-ascent quantum thermodynamics can be used to model nonequilibrium processes (even those far-from equilibrium) at all scales. The nonequilibrium relaxation is characterized by entropy generation, which can unify coupled phenomena into one framework to model transient and steady behavior. The results reveal the effects on performance of the different timescales of the varied phenomena involved and their coupling. Results are included here for the effects of chromium oxide concentrations on cathode output as is a parametric study of the effects of interconnect-three-phase-boundary length, oxygen mean free path, and adsorption site effectiveness. A qualitative comparison with experimental results is made.

Operando Soft X‐ray Absorption Spectroscopic Study on a Solid Oxide Fuel Cell Cathode during Electrochemical Oxygen Reduction

ChemSusChem ◽  
2017 ◽  
Vol 10 (9) ◽  
pp. 2008-2014 ◽  
Author(s):  
Takashi Nakamura ◽  
Ryo Oike ◽  
Yuta Kimura ◽  
Yusuke Tamenori ◽  
Tatsuya Kawada ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Solid Oxide Fuel Cell ◽  
Spectroscopic Study ◽  
Oxygen Reduction ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
X Ray ◽  
Fuel Cell Cathode ◽  
X Ray Absorption ◽  
Electrochemical Oxygen

Cogeneration of ethylene and electricity in symmetrical protonic solid oxide fuel cells based on a La0.6Sr0.4Fe0.8Nb0.1Cu0.1O3−δ electrode

2020 ◽  
Vol 8 (48) ◽  
pp. 25978-25985
Author(s):  
Jun Li ◽  
Jie Hou ◽  
Xiuan Xi ◽  
Ying Lu ◽  
Mingming Li ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Fuel Cell ◽  
Solid Oxide Fuel Cells ◽  
Solid Oxide Fuel Cell ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Cell Reactor

Symmetrical solid oxide fuel cell reactor with BaZr0.1Ce0.7Y0.1Yb0.1O3−δ as electrolyte and La0.6Sr0.4Fe0.8Nb0.1Cu0.1O3−δ as electrodes is applied to cogenerate ethylene and electricity.

scholarly journals Structure and properties of MgMxCr2−xO4 (M = Li, Mg, Ti, Fe, Cu, Ga) spinels for electrode supports in solid oxide fuel cells

2014 ◽  
Vol 2 (42) ◽  
pp. 18106-18114 ◽  
Author(s):  
Elena Stefan ◽  
Paul A. Connor ◽  
Abul K. Azad ◽  
John T. S. Irvine
Keyword(s):  
Fuel Cells ◽  
Fuel Cell ◽  
Solid Oxide Fuel Cells ◽  
Solid Oxide Fuel Cell ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Structure And Properties ◽  
Scaffold Materials

The paper investigates the structure and properties of novel electrode scaffold materials for solid oxide fuel cell (SOFC), such as MgMxCr2−xO4, (M = Li, Mg, Ti, Fe, Cu, Ga).

Pr2BaNiMnO7−δ double-layered Ruddlesden–Popper perovskite oxides as efficient cathode electrocatalysts for low temperature proton conducting solid oxide fuel cells

2020 ◽  
Vol 8 (16) ◽  
pp. 7704-7712 ◽  
Author(s):  
Qi Wang ◽  
Jie Hou ◽  
Yun Fan ◽  
Xiu-an Xi ◽  
Jun Li ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Low Temperature ◽  
Solid Oxide Fuel Cells ◽  
Oxygen Reduction Reaction ◽  
Oxygen Reduction ◽  
Electrocatalytic Activity ◽  
Perovskite Oxides ◽  
Reduction Reaction ◽  
Solid Oxide ◽  
Oxide Fuel

The performance of low-temperature solid-oxide fuel cells (LT-SOFCs) is heavily dependent on the electrocatalytic activity of the cathode toward the oxygen reduction reaction (ORR).

Performance Investigation of YSZ-SDC Solid Oxide Fuel Cells

2012 ◽  
Author(s):  
Kang Wang ◽  
Pingying Zeng ◽  
Jeongmin Ahn
Keyword(s):  
Fuel Cells ◽  
Fuel Cell ◽  
Solid Oxide Fuel Cells ◽  
Solid Oxide Fuel Cell ◽  
Sintering Temperature ◽  
Solid Oxide ◽  
Cell Performance ◽  
Oxide Fuel ◽  
Fuel Cell Performance

This work presents the performance of YSZ-SDC multilayered anode-supported solid oxide fuel cell (AS-SOFC). The anode-supported SOFC showed an extraordinary fuel cell performance of ∼1.57 W/cm2 by wet spraying a SDC layer onto YSZ layer. It was found that the fuel cell performance varied with the sintering temperature of fuel cell. At the high sintering temperatures, the reactions between YSZ and SDC have a significant effect on the fuel cell performance.

Sign in / Sign up

Export Citation Format

Share Document