Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 46, Issue 5, Pages 4283-4300Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2020.10.259
Keywords
Solid oxide fuel cell; Direct carbon; Anode; Boudouard reaction; Heat management
Categories
Funding
- National Natural Science Foundation of China, China [21908133, 51904136, 21878179]
- Natural Science Foundation of Shandong Province, China [ZR2018BB062]
- SDUT & Zibo City Integration Development Project, China [2019ZBXC147]
- Agency for Science, Technology and Research, Singapore [A1783c0016]
- National Environment Agency of Singapore, Singapore [WTE-CRP 1501-103]
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DC-SOFCs are promising energy-conversion devices that can directly convert the chemical energy of carbon into electricity with high efficiency and low pollution. Recent advances in material design, fuel development, and heat management are crucial for improving the electrochemical output and conversion efficiency of DC-SOFCs. Challenges and perspectives on DC-SOFCs are systematically summarized in this paper.
Direct carbon solid oxide fuel cells (DC-SOFCs) are promising energy-conversion devices that can directly convert the chemical energy of carbon into electricity with high efficiency and low pollution. The efficient and durable operation of DC-SOFCs is maintained by the effective coupling of electrochemical oxidation in the anode and the reverse Boudouard reaction in the carbon fuel. In this paper, we review recent advances in material design, fuel development, and heat management for improving the electrochemical output and conversion efficiency of DC-SOFCs. First, developments in state-of-the-art anode materials for the electrochemical oxidation of carbon are briefly reviewed. Second, various kinds of carbon fuels and catalysts for carbon gasification are outlined. Third, we introduce the present status of heat management in DC-SOFC systems. Finally, some conclusions involving challenges in DC-SOFCs and perspectives on them are systematically summarized. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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