Journal
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING-GREEN TECHNOLOGY
Volume 5, Issue 2, Pages 279-286Publisher
KOREAN SOC PRECISION ENG
DOI: 10.1007/s40684-018-0029-2
Keywords
Molten carbonate fuel cell; Electrolyte; Cathode; Matrix; Impregnation
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Funding
- Renewable Energy R&D Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) [20143010031830, 20163030031860]
- Global Research Laboratory Program - Ministry of Education, Science and Technology of Korea [NRF-2009-00406]
- KIST institutional program for the Korea Institute of Science and Technology [2E27302]
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In this work, an electrolyte impregnated cathode and matrix were fabricated using (Li/Na)(2)CO3 powders for use in a molten carbonate fuel cell (MCFC). 87% of cathode pores and 90% of matrix pores were filled with electrolyte. A 25 cm(2) single cell was used with electrolyte impregnated components. Cell performance of the single cell with electrolyte impregnated components showed a similar performance to a conventional single cell. After cell operation, electrolyte was found to have moved to the anode, cathode and matrix. The remaining electrolyte in matrix pores, cathode pores and anode pores are 94.62%, 42.75%, was 21.56%, respectively. By using electrolyte impregnated components, the change of the wet-seal height was decreased 86.78% (to 0.23 mm) comparing with the conventional cell. Electrolyte impregnated components will provide simplified pretreatment process and remove problems in the pretreatment condition such as non-uniform electrolyte melting.
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