Conductive, Anti-corrosive magnesium titanium oxide catalyst support material

A catalyst carrier and catalyst technology, applied in the direction of metal/metal oxide/metal hydroxide catalyst, physical/chemical process catalyst, chemical/physical process, etc., can solve the problems of low activity and efficiency

Pending Publication Date: 2021-07-09
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Precious metals and other catalysts are generally expensive materials and their loss from the system in which they are applied usually translates into lower activity and efficiency

Method used

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  • Conductive, Anti-corrosive magnesium titanium oxide catalyst support material
  • Conductive, Anti-corrosive magnesium titanium oxide catalyst support material
  • Conductive, Anti-corrosive magnesium titanium oxide catalyst support material

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Embodiment

[0115] Group A

[0116] To verify the results of the DFT derivation, the disclosed materials were synthesized and tested according to the methods described below.

[0117] Use dry MgO, TiO and TiO 2 Powder Mixtures The disclosed materials were synthesized by the following methods. The MgO powder was dried at 120 °C for 2 h in an Ar environment. The dried powder was then mixed with TiO / TiO 2 The powders are mixed to form a mixture. The mixture was compressed under 3000 psi uniaxial load into pellets measuring about 12 mm in diameter and about 2 mm in thickness. Freshly pressed pellets have a light gray color. The compacted pellets were then loaded into Al 2 o 3 Crucible and heated to vacuum environment (10 -3 Torr) for reactive sintering (for example at 1450° C.) for 10 hours. After sintering, the pellets appear black with a bluish tinge. The method was used to prepare five batches of pellets, each batch containing three to four pellets.

[0118] Five sintered pell...

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Abstract

The invention relates to an electrically conductive corrosion resistant magnesium titanium oxide catalyst support material, and a method of forming a fuel cell catalyst system. The method comprises: providing a corrosion resistant, electrically conductive catalyst support material having oxygen vacancies having formula (I); where Delta is any number between 0 and 3 optionally including a fractional part denoting the oxygen vacancies, coating the catalyst support material with a polymeric film, attaching a catalyst material onto the polymeric film, removing the polymeric film, and providing additional material onto the support material to increase physical, electrical, and / or mechanical contact between the catalyst material and the catalyst support material.

Description

[0001] related application [0002] This application is a continuation-in-part of U.S. Patent Serial No. 16 / 675,564 filed November 6, 2019, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to a catalyst support comprising a corrosion-resistant conductive magnesium-titanium oxide material with oxygen vacancies and a method for its production. Background technique [0004] Catalytic materials or catalysts, such as noble metals, have become essential in many applications, one of these applications being proton exchange membrane fuel cells (PEMFC). Noble metals and other catalysts are generally expensive materials and their loss from the system in which they are used usually translates into lower activity and efficiency. Accordingly, various attempts have been made to retain catalytic materials in a given application to produce longer-lived systems, such as fuel cells. Contents of the invention [0005]...

Claims

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Application Information

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IPC IPC(8): H01M4/92
CPCH01M4/925H01M4/921B01J21/10B01J21/063B01J23/42H01M4/9075H01M4/8814H01M4/8871H01M4/8885H01M4/8878Y02E60/50B01J35/30B01J35/23
Inventor J·麦罗阿S·金B·科津斯基
Owner ROBERT BOSCH GMBH
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