Abstract
Proton exchange membrane fuel cells (PEMFCs) are considered to be a promising technology for clean and efficient power generation in the twenty-first century. Current PEMFCs are usually flat designs which needs the expensive bi-polar to transport the reactants to every fuel cell. In this paper, a novel cylindrical PEMFC has been designed and made. The structure of cathode is a spiral. The static analysis and thermal analysis of the cell shell and the spiraled cathode were carried out with FEM software. Based on the simulation, the cylindrical PEMFC has been made and tested. The simulation results show that the cylindrical PEMFC meets the requirements of the mechanical performance and electricity performance. The tested result shows that the power density of the cylindrical PEMFC can reach 10mW/cm2 when the hydrogen pressure is 0.2Mpa and the open circuit voltage is 0.8V.
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