Preparation method of catalyst in combustor of micro-methanol reformer

Abstract

The invention discloses a method for preparing a catalyst for a combustion chamber of a micro-methanol reformer. The steps of the method are as follows: the combustion chamber of the reformer with a flow field is used as an anode, placed in an electrolyte, and a DC or AC voltage is applied to the catalyst. The flow field is processed to form a layer of porous oxide ceramic film on the surface of the flow field, and then use it as a carrier to load the reforming catalyst Pt. The present invention adopts the micro-arc oxidation technology to directly grow the oxide ceramic film containing Al2O3 in situ on the surface of the flow field, and then use it as a carrier to deposit Pt. The catalyst prepared by the present invention can effectively solve the problem of existing methanol reformer combustion chamber There are problems such as poor adhesion of the catalyst, small contact area between the reaction gas and the catalyst, and low utilization of the catalyst.

Description

technical field [0001] The invention belongs to the technical field of proton exchange membrane fuel cell fuel, and relates to a method for preparing a catalyst used in a combustion chamber of a methanol reformer. Background technique [0002] There are two major problems in the utilization of traditional energy that plague people. One is that mechanical energy or electrical energy must be output through processes such as combustion, but limited by the Carnot cycle, the energy conversion rate is only 33-35%, and nearly 60% of the energy is lost during this transformation process; the second is that energy is being used The process has caused a lot of waste gas, waste water, waste residue, waste heat and noise pollution to the living environment. Over the years, countries have been trying to find energy utilization methods that can efficiently utilize energy without polluting the environment. Clean and efficient fuel cell technology has gradually entered the field of vision ...

AI Technical Summary

Problems solved by technology

The catalyst prepared by the invention can effectively solve the problems of poor adhesion of the catalyst, small contact area between the reaction gas and the catalyst, and low utilization rate of the catalyst in the combustion chamber of the existing methanol reformer.

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