Investigation of the mass transport phenomena in the energy device supplying the liquid fuel

2020 Fiscal Year Final Research Report

• Project/Area Number: 18H01774
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Review Section: Basic Section 27020:Chemical reaction and process system engineering-related
• Research Institution: Kanazawa University
• Principal Investigator: Tsujiguchi Takuya 金沢大学, 機械工学系, 准教授 (10510894)
• Project Period (FY): 2018-04-01 – 2021-03-31
• Keywords: 多孔質電極 / 直接形燃料電池 / 気液2相流 / 物質輸送

Outline of Final Research Achievements

Two-phase mass transport phenomena occurring in the porous electrode of liquid-supplying energy device was clarified in order to establish the scientific base for this area and propose the designing concept which can improve the efficiency of the devise. Liquid and gas transport phenomena in the direct formic acid fuel cell was successfully clarified and the designing concept which can improve the performance was also successfully obtained.

Free Research Field

化学工学

Academic Significance and Societal Importance of the Research Achievements

液体供給形エネルギー機器は、直接ギ酸形燃料電池やフローバッテリー、水電解システムなど、新たなエネルギーを有効に活用するために非常に重要なデバイスである。気液2相流に加えて濃度勾配が存在する複雑な気液物質輸送現象を実験的に明らかにし、これらの機器の効率改善につながり、かつ汎用的に用いることができる電極設計指針を得ることに成功しており、今後のこれらの機器のさらなる効率改善に大きく寄与する成果である。