Military applications include more than munitions. Military designers are trying to replace platinum as the standard catalyst in fuel cells. Expensive and heavy, platinum loses efficiency as it gets carbonized during temperature cycles, he says. QuantumSphere’s powder could be a solution. The company’s engineers mix those tiny particles into a substrate to create membranes and filters that are thin and durable. Such reinforced materials can survive many more thermal cycles than standard membranes, and they can serve as drop-in replacements for platinum in either solid oxide or PEM (proton exchange membrane) fuel cells.
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