DataVXACS Applied Materials & InterfacesPaper
journal article·2021-02-03

Infiltrated Ni0.08Co0.02CeO2–x@Ni0.8Co0.2 Catalysts for a Finger-Like Anode in Direct Methane-Fueled Solid Oxide Fuel Cells

Nai Shi, Yun Xie, Yi Yang, Daoming Huan, Yang Pan, Ranran Peng, Changrong Xia, Chusheng Chen, Zhongliang Zhan, Yalin Lu

ACS Applied Materials & Interfaces· Volume 13· Issue 4
Publisher page
Source abstract

Abstract

Direct utilization of methane in solid oxide fuel cells (SOFCs) is greatly impeded by the grievous carbon deposition and the much depressed catalytic activity. In this work, a promising anode, taking finger-like porous YSZ as the anode substrate and impregnated Ni0.08Co0.02Ce0.9O2−δ@Ni0.8Co0.2O as the novel catalyst, is fabricated via the phase conversion-combined tape-casting technique. This anode shows commendable mechanical strength and excellent catalytic activity and stability toward the methane conversion reactions, which is attributed to the exsolved alloy nanoparticles and the active oxygen species on the reduced Ni0.08Co0.02Ce0.9O2−δ catalyst as well as the facilitated methane transport rooting in the special open-pore microstructure of the anode substrate. Strikingly, this button cell delivers an excellent peak power density of 730 mW cm–2 at 800 °C in 97% CH4/3% H2O fuel, only 9% lower than that in 97% H2/3% H2O. Our work shed new light on the SOFC anode developments.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storageMetals & alloysNanomaterialsCatalysis & surfacesMaterials processing

OpenAlex topics: Advancements in Solid Oxide Fuel Cells · Electronic and Structural Properties of Oxides · Electrocatalysts for Energy Conversion

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

CAS Key Laboratory of Materials for Energy Conversion, Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, Anhui, China

National Synchrotron Radiation Laboratory, University of Science and Technology of China, Hefei 230026, Anhui, China

Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, Anhui, China

Hefei National Laboratory of Physical Science at the Microscale, University of Science and Technology of China, Hefei 230026, Anhui, China

Anhui Laboratory of Advanced Photon Science and Technology, University of Science and Technology of China, Hefei 230026, Anhui, China

Funding

Ministry of Education of the People's Republic of China · Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · Chinese Academy of Sciences

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