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Preparation method of nickel (II)-1,1'-ferrocene dicarboxylic acid complex electrocatalyst

A technology of ferrocene dicarboxylic acid and catalyst, which is applied in the field of chemistry, can solve the problem that electrocatalytic oxygen reduction performance needs to be further improved, and achieves the effects of easy large-scale preparation, low cost of raw materials and simple preparation method

Inactive Publication Date: 2016-04-06
TONGJI UNIV
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  • Claims
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Problems solved by technology

However, the electrocatalytic oxygen reduction performance of metal complexes needs to be further improved.

Method used

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  • Preparation method of nickel (II)-1,1'-ferrocene dicarboxylic acid complex electrocatalyst
  • Preparation method of nickel (II)-1,1'-ferrocene dicarboxylic acid complex electrocatalyst
  • Preparation method of nickel (II)-1,1'-ferrocene dicarboxylic acid complex electrocatalyst

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Embodiment 1

[0022] A kind of preparation method of nickel (II)-1,1'-ferrocene dicarboxylic acid complex electrocatalyst, it may further comprise the steps:

[0023] Step 1: Dissolve nickel acetate and equimolar amounts of 1,1'-ferrocenedicarboxylic acid in 12 mL of DMF, both at a concentration of 0.05 mol / L.

[0024] Step 2: Transfer the solution obtained in step 1 into a Teflon liner with a specification of 25mL, then put it into the kettle shell, and heat the reaction in an oven at a heating temperature of 160°C for a reaction time of 10 hours.

[0025] Step 3: Centrifuge the reaction product of Step 2 at a centrifugal speed of 9000 rpm, wash with water 3 times and ethanol 3 times after centrifugation, and dry in vacuo at 60°C.

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Abstract

The present invention provides a preparation method of a nickel (II)-1,1'-ferrocene dicarboxylic acid complex electrocatalyst, and belongs to the field of chemistry. The preparation method comprises: carrying out hydrothermal one-step method forming on nickel acetate and 1,1'-ferrocene dicarboxylic acid in a DMF solvent. The catalyst has the following advantages of: (1) the preparation method is simple, raw material cost is low, and the catalyst is easy to realize large-scale preparation and is expected to obtain commercial application; and (2) the complex catalyst has high oxygen reduction catalytic activity.

Description

technical field [0001] The invention relates to the field of chemistry, in particular to a preparation method of a nickel (II)-1,1'-ferrocenedicarboxylic acid complex electrocatalyst. Background technique [0002] The activity and cost of fuel cell cathode catalysts limit the development of current fuel cells. Commonly used commercial catalysts are noble metal materials such as platinum-based catalysts and silver-based catalysts. They have good oxygen reduction catalytic activity, but their high cost limits their expanded application and popularization in large-scale fuel cells, making it difficult to commercialize; carbon The material has high electrical conductivity and low cost, but the corresponding oxygen reduction catalytic activity is low. [0003] In order to meet the society's demand for low-cost batteries with high current and high power, it is necessary to develop efficient and cheap oxygen reduction catalysts. In the process of exploring new high-performance ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/88H01M4/90
CPCH01M4/88H01M4/9008Y02E60/50
Inventor 邢周昊吴庆生
Owner TONGJI UNIV
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