SBIR Phase I: Development of Molecular-Sieve Electrocatalysts for Proton Exchange Membrane (PEM) Fuel Cells

* 摘要 小行星9661760 这个小企业创新研究第一阶段项目将研究一种新的方法来制备质子交换膜（PEM）燃料电池的Pt电催化剂。铂簇将浸渍在碳质结构内，保护活性部位免受有毒气体（如CO、CO2等）的影响。第一阶段将测试至少两种不同的浸渍技术，包括CVD沉积技术和液相浸渍。含碳材料将在浸渍前通过氧化处理程序进行化学处理。制备的催化剂将通过循环伏安法、X射线光谱法、俄歇光谱法和元素分析法进行评估。催化剂性能将在具有5cm 2活性面积的单个燃料电池中进行评价。氢气和氢气与预混合的CO将用作反应气体。将进行常规Pt/Ru催化剂和在阶段I期间开发的新型催化剂之间的比较。 在拟议的研究计划期间开发的催化剂将在PEM燃料电池中具有商业应用，用于运输应用以及用于重整气和甲醇的固定式燃料电池动力系统。***

*** ABSTRACT 9661760 Pien This Small Business Innovation Research Phase I project will investigate a novel approach for preparing Pt electrocatalysts for proton exchange membrane (PEM) fuel cells. Platinum clusters will be impregnated inside carbonaceous structures protecting the active sites from poisonous gases such as CO, CO2, etc. At least two different impregnation techniques will be tested in Phase I including CVD deposition technique and impregnation from liquid phase. The carbonaceous materials will be chemically treated prior to impregnation by using oxidative treatment procedure. Prepared catalysts will be evaluated by cyclic voltammetry, X-ray spectroscopy, AUGER spectroscopy, and elemental analysis. The catalyst performance will be evaluated in a single fuel cell with 5 cm2 active area. Hydrogen and hydrogen with premixed CO will be used as reactant gases. A comparison between conventional Pt/Ru catalyst and the novel catalyst developed during Phase I will be performed. The catalyst developed during the proposed research program will have commercial applications in PEM fuel cells for transportation applications as well as for stationary fuel cell power systems operating on reformate gas and methanol. ***