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Platinum Cluster Size Optimization via Chemical Synthesis and Laser Ablation Mass Spectrometry: Development of Enhanced Fuel Cell Catalysts

Introduction According to current state-of-the-art, catalysts in hydrogen fuel cell electrodes require high concentrations of platinum close to 25g per cell for automotive applications. The high cost and scarce supplies of platinum are thus significant barriers toward the commercialization of fuel cells. Catalysts requiring platinum loadings of less than 5g per vehicle or utilizing a more readily available active metal would boost the development of fuel cell powered vehicles.