Development of PEFC for transportable applications

Abstract

Since FY1992, we have been developing PEFC technologies under NEDO`s R&D program. High power density and rapid start-up are essential requirements for transportable applications. Also, if reformed gas is used as fuel, the prevention of CO poisoning and improvement of response to loading are essential. In this paper, methods to increase the effective surface area of a cell, start-up and endurance test results, the study of CO poisoning with a pulse electrolyzing method and the demonstration of a hydrogen recovery subsystem are presented.

Keywords

DIRECT ENERGY CONVERSION
HYDROGEN FUEL CELLS
DESIGN
SURFACE AREA
CARBON MONOXIDE
CURRENT DENSITY
TIME DEPENDENCE
ELECTRIC POTENTIAL
PRESSURE DEPENDENCE
REFORMER PROCESSES

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