Researchers from the U.S. Department of Energy's Pacific Northwest National Laboratory, Princeton University, and Washington State University in Pullman mixed graphene with metal oxide nanoparticles to develop a nanoparticle graphene composite fuel cell catalyst. The research results have been Published online in the Journal of the American Chemical Society.

　　They first crystallized indium tin metal oxide nanoparticles directly on specially treated graphene, then added nanoplatinum and tested the properties of the material. Experimental results show that when indium tin oxide is not added, platinum atoms gather on the graphite surface, but after indium tin oxide is added, the platinum can be spread out well. The composite material has better durability, stability and corrosion resistance than graphene used alone and commonly used activated carbon. The researchers believe the findings will help improve fuel cell design.

　　The team is currently testing the composite catalyst in experimental fuel cells to determine its effectiveness and durability under real-world conditions.

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