High surface area metal nitrides or metal oxynitrides for...

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H01G 9/042 (2006.01) H01G 9/00 (2006.01) H01G 9/04 (2006.01) H01G 9/155 (2006.01) H01M 4/00 (2006.01) H01M 4/58 (2006.01)

Patent

CA 2267439

The present invention concerns a process to produce a high surface area iron nitride, titanium nitride, gamma-molybdenum nitride, niobium oxynitride, tantalum oxynitride, vanadium oxynitride, zirconium oxynitride, titanium oxynitride or molybdenum oxynitride coated substrate for use as an electrical energy storage component in a capacitor or a battery configuration, which process comprises: coating a substrate with a solution or slurry of the corresponding metal halide, converting the metal halide to metal oxide, and converting the metal oxide to metal nitride or oxynitride in a gaseous nitrogen atmosphere at elevated temperature.

La présente invention concerne un procédé de production d'un substrat revêtu d'un nitrure de fer, de titane, ou de gamma-molybdène, ou d'un oxynitrure de niobium, de tantale, de vanadium, de zirconium, de titane ou de molybdène, à surface utile importante. Un tel substrat est utile en tant que composant de stockage d'énergie électrique dans un condensateur ou dans un agencement de batterie. Ce procédé comprend les étapes consistant: à revêtir un substrat à l'aide d'une solution ou d'une boue de l'halogénure de métal correspondant, à convertir l'halogénure de métal en un oxyde de métal, puis à convertir l'oxyde de métal en nitrure ou oxynitrure de métal, dans une atmosphère d'azote gazeux et à température élevée.

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