Hydrogen molybdenum tungsten bronze (HxMo(W)O3, 0<x≤2) may be used as electrocatalyst for direct small organic molecule fuel cell.
Platinum Modified with Hydrogen Molybdenum Tungsten Bronze as Electrocatalyst for Direct Small Organic Molecule Fuel Cell
There are several problems that limit the application of direct small organic fuel cell, including the use of precious platinum and the activity loss of platinum due to the intermediates poisons from the oxidation of small organic molecules. These problems have attracted wide interest and many solutions have been proposed.
Now, a new method is developed to reduce the platinum usage and improve its activity, based on themodification of platinum with hydrogen molybdenum tungsten bronze (HxMo(W)O3, 0<x≤2). The proton insertion/desertion into or out of HxMo(W)O3 can improve the activity of platinum toward the oxidation of small organic molecule as well as oxygen reduction. On the other hands, the usage of platinum can be reduced by its composite with HxMo(W)O3.
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