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URFC MEA 제작을 위한 분무법에 관한 수치 해석 연구A Numerical Study on the Spray Method for Manufacturing URFC MEA
- Other Titles
- A Numerical Study on the Spray Method for Manufacturing URFC MEA
- Issue Date
- Jun-2024
- Publisher
- 한국수소및신에너지학회
- Keywords
- 가역 연료전지; 막 전극 집합체; 연료전지; 수전해; 수치 해석; 농도; 범위; 길이; Unitized regenerative fuel cell; Membrane electrode assembly; Fuel cell; Water electrolysis; Numerical analysis; Concentration; Range; Length
- Citation
- 한국수소및신에너지학회논문집, v.35, no.3, pp 345 - 351
- Pages
- 7
- Journal Title
- 한국수소및신에너지학회논문집
- Volume
- 35
- Number
- 3
- Start Page
- 345
- End Page
- 351
- ISSN
- 1738-7264
2288-7407
- Abstract
- The unitized regenerative fuel cell (URFC) is a method that can reduce costs and increase system simplification by unitizing a fuel cell system and a water electrolysis system. The spray method is suitable as the membrane electrode assembly (MEA) manufacturing method for URFC because it is easy to control the amount of catalyst, the size of the system is small, and economical manufacturing is possible. In this study, a numerical analysis of the effect of solution concentration on the spray method was performed to use it as basic data for the spray method to be used in MEA manufacturing. As result, as the Nafion solution concentration decreases it was found that the spray speed and the mass flow rate and the discrete phase model concentration increases and the spray range widens.
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