Use of porous carbonaceous materials for the catalyst support for polymer electrolyte fuel cells. (June 2015)

• Record Type: Journal Article
• Authors: Iijima, Takashi
• Is Part Of: Carbon. Volume 87(2015)
• Page Start: 463
• Publication Date: 2015-06
• Subjects: Carbon -- Periodicals; Carbone -- Périodiques; Koolstof; Toepassingen; Electronic journals; 546.681
• DOI: 10.1016/j.carbon.2015.02.034
• Languages: English
• ISSNs: 0008-6223

Abstract

Abstract : We are focusing on the effects of a porous carbonaceous material as a catalyst support for polymer electrolyte fuel cells (PEFCs). One of the important functions of support is to provide pore structures for gas diffusion into the catalyst layer of PEFCs. The aggregate structure of Ketjenblack (KB) introduces an effective pore structure into the catalyst layer, and provides high performance. By inserting the pore structure into the catalyst layer, even activated carbons without a dendritic structure should have as good a performance as do KB catalysts. Another important feature of the carbon support is the micropores and mesopores inside it. MCND (Mesoporous Carbon Nano-Dendrites) which have a highly-developed dendritic structure and large mesopore volume, shows excellent performance as a catalyst support, especially in the high current region. [TANSO 2015 (No. 266) 41–48.]