Elucidation of catalytic deterioration mechanism under start up and shut down process of polymer electrolyte fuel cell by in-situ three-dimensional space observation

2016 Fiscal Year Final Research Report

• Project/Area Number: 15K17807
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Physical chemistry
• Research Institution: The University of Electro-Communications
• Principal Investigator: Higashi Kotaro 電気通信大学, 燃料電池イノベーション研究センター, 特任助教 (70721249)
• Project Period (FY): 2015-04-01 – 2017-03-31
• Keywords: 固体高分子形燃料電池 / X線吸収微細構造 / CT / その場観察

Outline of Final Research Achievements

The degradation of the cathode electrode catalyst by the start up and shut down process is one of pressing problems in polymer electrolyte fuel cell.
The catalyst degradation is spread in the whole space with patches. However the cause and mechanism of this degradation don't become clear in detail.
In this research, the catalyst degradation depends on the start up and shut down process was analyzed under the in-situ (operand) three dimensional space, use XCT-XAFS (X-ray computerized tomograph X-ray absorption fine structure).

Free Research Field

物理化学