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[Due to the increasing size of the archives, each topic page now contains only the prior 365 days of content. Access to older stories is now solely through the Monthly Archive pages or the site search function.]

New TOTAL hydrogen filling station in Karlsruhe produces H2 onsite with steam electrolysis and solar energy

September 07, 2017

A new TOTAL hydrogen filling station on Karlsruhe’s Südtangente ring-road was commissioned on Wednesday. The German Federal Ministry of Transport and Digital Infrastructure approved grants of approx. €970,000 (US$1.2 million) for the hydrogen facility under its National Innovation Program for Hydrogen and Fuel Cell Technology (NIP).

This H2 filling station—the eleventh in the TOTAL network and the tenth in the German federal state of Baden-Württemberg—is differentiated by producing hydrogen on-site through steam electrolysis, using electricity generated by a solar array.

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New graphene-zinc oxide composite solid lubricant reduces friction and wear on steel surfaces

August 17, 2017

Researchers at Purdue University have created a new type of non-liquid lubricant—a novel graphene-zinc oxide composite—that has been shown to reduce friction and wear significantly under the extreme conditions found in various applications, from air compressors to missile systems. The new liquid-free composite is made from a slurry of graphene, zinc oxide, and the polymer polyvinylidene difluoride.

The nanosize zinc-oxide particles the team developed allow the lubricant to stick to the metal surface, and the polymer binds the whole mixture together, said chemical engineering graduate student Arthur Dysart. The lubricant has superior thermal conductivity, high strength and provides ultralow friction, said Vilas Pol, an associate professor of chemical engineering at Purdue University.

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