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Passivation

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  • Diamond friction

    Diamond coatings help reduce friction and wear on tools, bearings, and seals. Lubricating diamond with water considerably lowers friction. The reasons for this are not yet fully understood. The Fraunhofer Institute for Material Mechanics IWM in Freiburg and the Physics Institute at the University of more

  • More solar power thanks to titanium

    Earth-abundant, cheap metals are promising photocatalytic electrode materials in artificial photosynthesis. A team of Chinese scientists now reports that a thin layer of titania beneath hematite nanorods can boost the performance of the photoanode. As outlined in their report, the nanostructured ele more

  • How the electrodes of lithium-air batteries become passivated

    Lithium-air batteries are devices, producing power just out of air so they are also called lithium-oxygen batteries. Due to higher energy density they are much lighter than lithium-ion ones. Lithium-air batteries could prove to be much-needed, for instance, for increasing driving range of electric c more

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Definition

Passivation

Passivation Passivation is the process of making a material "passive" in relation to another material prior to using the materials together. For example, prior to storing hydrogen peroxide in an aluminium container, the container can be passiva ... more

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