Abstract

Several nanoparticle technologies are currently being used and others are under development to address the global energy demand and environmental issues. Technicoeconomic challenges of energy conversion (fuel cell and solar cell), saving (by reducing raw materials and energy demands), and storage (batteries) could be addressed using nanoparticles. Catalysis remains the most important commercial application of nanoparticles. Nanoparticle-based lightweight materials (aerogels) will likely have a significant impact in the transportation sector. Electrodes currently use nanoparticles in advanced secondary batteries. Semiconductor nanoparticles are used in photoelectrochemical cells. Hydrogen production and storage issues could be addressed using advanced nanoparticle attributes. Nanoparticles will likely contribute in the medium term to new lighting and lubrication solutions. Numerous other long-term energy concepts using nanoparticles are under development.

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