Desenvolvimento de tecnologia para confecção de eletrodos e conjuntos eletrodo-membrana-eletrodo (MEA) por impressão à tela para aplicação em módulos de potência de células PEMFC

Autor:	Fernandes, Valeria Cristina, Da Cunha, Edgar Ferrari, Bonifacio, Rafael Nogueira, Dresch, Mauro Andre, Gustavo Doubek, Santiago, Elisabete Inacio, Linardi, Marcelo
Předmět:	membrane electrode assembly (MEA) sieve printing method PEMFC
Zdroj:	ResearcherID Química Nova, Volume: 35, Issue: 4, Pages: 775-779, Published: 2012
Popis:	Significant functions in the Proton Exchange Membrane Fuel Cells (PEMFCs) rely on Gas Diffusion Layers (GDLs), such as control the water balance in the membrane electrode assembly (MEA), allow suitable gas permeability and porosity, etc. Aware of the GDL importance in the cell performance and its great demand in scale-up projects, the fuel cell research group at Instituto de Pesquisas Energéticas e Nucleares (IPEN) has developed a Sieve Printing method (innovative in Brazil) as a strategic solution for producing GDL and electrodes used in high power PEMFC stacks. The method has shown to be adequate to fabricate low cost electrodes, GDLs of different dimensions and to produce any amount of MEAs for power stacks.
Databáze:	OpenAIRE
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