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Application of Pd/gamma-AlOOH modified glassy carbon electrode in carrying out electro-catalytic oxidation on methanol under alkaline conditions

A technology of electrocatalytic oxidation and alkaline conditions, applied in the field of electrochemistry, can solve the problems of restricting the application of platinum and platinum composite catalysts, expensive platinum and platinum poisoning, etc.

Active Publication Date: 2015-03-04
ZHENGZHOU TOBACCO RES INST OF CNTC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the actual application of DMFC, the high price of platinum and platinum poisoning in the reaction process are still difficult to solve, which greatly limits the application of platinum and platinum composite catalysts.

Method used

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  • Application of Pd/gamma-AlOOH modified glassy carbon electrode in carrying out electro-catalytic oxidation on methanol under alkaline conditions
  • Application of Pd/gamma-AlOOH modified glassy carbon electrode in carrying out electro-catalytic oxidation on methanol under alkaline conditions
  • Application of Pd/gamma-AlOOH modified glassy carbon electrode in carrying out electro-catalytic oxidation on methanol under alkaline conditions

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Embodiment 1

[0026] Such as figure 1 As shown, the Pd / γ-AlOOH modified glassy carbon electrode provided in this embodiment includes a glassy carbon electrode body 1 , and a Pd / γ-AlOOH film layer 2 is arranged on the surface of the glassy carbon electrode body 1 .

[0027] The Pd / γ-AlOOH modified glassy carbon electrode provided in this example is prepared by the following steps:

[0028] (1) Preparation of 3 / 4 spherical γ-AlOOH

[0029] Add 13mmol aluminum nitrate nonahydrate and 16mmol urea into a high-pressure reactor with a polytetrafluoroethylene lining, then add 70ml of deionized water to the high-pressure reactor, then seal the high-pressure reactor, heat it to 140°C, and keep it warm After reacting for 12 hours, the autoclave was cooled to room temperature, the reaction solution in the autoclave was separated by a centrifuge, and the solid was collected. The obtained solid was washed and dried under vacuum at 55°C for 12 hours to obtain 3 / 4 spherical γ-AlOOH ;

[0030] (2) Prepar...

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Abstract

The invention belongs to the field of electrochemical technologies, and specifically discloses application of a Pd / Gamma-AlOOH modified glassy carbon electrode in carrying out electro-catalytic oxidation on methanol under alkaline conditions. Researches implemented through using a cyclic voltammetry and a chronoamperometry show that the Pd / Gamma-AlOOH modified glassy carbon electrode has an excellent electro-catalytic performance and a good electro-catalytic stability to methanol under alkaline conditions, and the Pd / Gamma-AlOOH modified glassy carbon electrode can be used for carrying out electro-catalytic oxidation on methanol under alkaline conditions.

Description

technical field [0001] The invention relates to the technical field of electrochemistry, in particular to the application of a Pd / γ-AlOOH modified glassy carbon electrode. Background technique [0002] Chemically modified electrodes can artificially cut molecules on the surface of the electrode to endow the electrode with certain special properties, so that the electrode has better anti-interference ability and selectivity. Therefore, chemically modified electrodes are used in biological sample detection, environmental monitoring, drug analysis and metal Measurement and other aspects have highlighted the increasingly important position. [0003] Direct methanol fuel cell (DMFC) has broad development prospects in the fields of portable batteries and electric vehicles because of its advantages such as convenient fuel transportation and storage, light weight, small size, simple structure, and high energy efficiency. However, the electrocatalytic efficiency of methanol and the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/86H01M8/10H01M8/1011
CPCY02E60/523Y02E60/50
Inventor 胡清源侯宏卫谭庆军唐纲岭杨进陈欢刘彤刘楠张洪非边照阳姜兴益庞永强李中皓
Owner ZHENGZHOU TOBACCO RES INST OF CNTC