UCR, Stanford team develops general approach for inexpensive, efficient catalysts for PEM fuel cells

By mmillikin Researchers at the University of California, Riverside, with colleagues at Stanford have developed a general approach for the production of inexpensive, efficient and durable catalysts for PEM fuel cells: 1D porous nitrogen-doped graphitic carbon fibers embedded with active oxygen reduction reaction (ORR) catalyst components (M/MOx, i.e., metal or metal oxide nanoparticles).

In a paper in the journal Small, the team reports that the metal/metal [email protected] graphitic carbon fibers—especially Co3O4—exhibit comparable ORR catalytic activity but superior stability and methanol tolerance versus the industry-standard platinum in alkaline solutions.

Although platinum (Pt) has been long known as the most efficient ORR catalyst, its high cost

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