The most commonly used proton exchange membranes (PEMs) for hydrogen and direct methanol fuel cells are the perfluorosulfonic acid ionomers (PFSA) such as Nafion, which are based on a Teflon-like ...

An international team of scientists led by Rice University's Pengcheng Dai has confirmed the existence of emergent photons ...

A series of Fe−Ce mixed oxides (95 atom % Fe−5 atom % Ce) has been prepared by different methods: coprecipitation, impregnation, and physical mixture of Ce and Fe oxides. These solids have been tested ...

These rare earth metals, such as Cerium oxide, Bastnasite, Neodymium oxide, Lanthanum carbonate, Praseodymium, Dysprosium, and Terbium, are among other metals and magnets used to make commodities ...