A kind of preparation method of co-p nano catalytic material

A nano-catalytic material, co-p technology, applied in the field of preparation of Co-P nano-catalytic materials, can solve the problem of single Co-P particle morphology, achieve good recycling performance, wide application prospects, and speed up the reaction rate. Effect

Active Publication Date: 2016-03-16
信泰建设工程(北京) 有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] At present, the ubiquitous problem in the numerous methods of the Co-P particle of preparation is: the shape of the Co-P particle of synthesis is relatively single, mostly spherical (Eom, K., K.Cho, and H.Kwon, J. Power Sources, 2008.180(1):484-490)
Synthesis of Co-P catalyst materials with different morphologies by electroless plating multi-step method has not been reported yet

Method used

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Effect test

Embodiment 1

[0026] A kind of preparation method of Co-P nano catalytic material is realized by following specific steps:

[0027] (1) Prepare copper etching solution: measure 50mL phosphoric acid, 35mL acetic acid, 15mL nitric acid and mix to make 100mL copper etching solution;

[0028] (2) Preparation of sensitizing solution: Weigh 1 g of stannous chloride dihydrate and ultrasonically dissolve it in 5 mL of hydrochloric acid, add distilled water to make the volume to 1 L, and make a sensitizing solution;

[0029] (3) Preparation of activation solution: Weigh 0.1 g of palladium chloride and ultrasonically dissolve it in 1 mL of hydrochloric acid, add distilled water to make the volume to 1 L, and prepare the activation solution;

[0030] (4) Preparation of chemical plating solution: 1. dissolving 2.379g cobalt chloride hexahydrate in 100mL distilled water to form a cobalt salt solution with a concentration of 0.1mol / L; 2. adding 4.5g glycine to the above-mentioned cobalt salt solution to ...

Embodiment 2

[0033] A kind of preparation method of Co-P nano catalytic material is realized by following specific steps:

[0034] (1) prepare copper corrosion solution, sensitization solution and activation solution respectively with step (1), step (2), step (3) in embodiment 1;

[0035] (2) Preparation of chemical plating solution: 1. dissolving 2.812g cobalt sulfate heptahydrate in 100mL distilled water to form a cobalt salt solution with a concentration of 0.1mol / L; 2. adding 4.503g glycine to the above cobalt salt solution to make the cobalt salt Mix evenly with glycine to form Co 2+ : Glycine molar ratio is the clarification solution of 1:6; 3. be that the surfactant polyvinyl alcohol (PVA-124) of 0.1% is joined in above-mentioned clarification solution with weight percent concentration; 4. add 6.359g reductive agent secondary Sodium phosphate in the above mixed solution; ⑤Put the mixed solution in step ④ into a constant temperature water bath at 70°C for 5 minutes, and adjust the p...

Embodiment 3

[0038] A kind of preparation method of Co-P nano catalytic material is realized by following specific steps:

[0039] (1) prepare copper corrosion solution, sensitization solution and activation solution respectively with step (1), step (2), step (3) in embodiment 1;

[0040] (2) Preparation of chemical plating solution: 1. dissolving 2.812g cobalt sulfate heptahydrate in 100mL distilled water to form a cobalt salt solution with a concentration of 0.1mol / L; 2. adding 4.503g glycine to the above cobalt salt solution to make the cobalt salt Mix evenly with glycine to form Co 2+ : Glycine molar ratio is the clarification solution of 1:6; 3. be that the surfactant polyvinyl alcohol (PVA-124) of 0.1% is joined in above-mentioned clarification solution with weight percent concentration; 4. add 6.359g reductive agent secondary Sodium phosphate in the above mixed solution; ⑤Put the mixed solution in step ④ into a constant temperature water bath at 70°C for 5 minutes, and adjust the p...

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Abstract

A preparation method of a Co-P nano catalytic material is provided. The preparation method takes a metal substrate as a carrier, adopts a chemical plating method to deposit a metal Co and a non-metal P for preparing the Co-P nano catalytic material, and comprises the following specific implementation steps: after successively carrying out hot alkali solution soaking, copper corrosion solution soaking, sensitizing solution soaking and activating solution soaking treatment on a substrate substance, dipping into a chemical plating solution, carrying out chemical plating, washing, and drying to obtain the Co-P nano catalytic material. The prepared catalyst material has higher catalytic activity, can accelerate the reaction rate of hydrogen release of sodium borohydride hydrolysis, reduces the activation energy of the hydrogen release reaction, has the advantages of better cyclic utilization performance, safety and high efficiency, and has wide application prospects in an aspect of vehicle-mounted hydrogen storage.

Description

technical field [0001] The present invention relates to a kind of preparation method of Co-P nano catalytic material, belongs to the field of inorganic nano material. Background technique [0002] With the rapid development of the global economy, fossil energy in non-renewable energy, namely coal, oil and natural gas, is continuously consumed, and the problems caused by the use of these fossil fuels: such as global warming, abnormal climate, acid rain and pollution, etc. ; International calls for the development of new energy sources are rising day by day, and hydrogen energy is being paid attention to by more and more scientific researchers. Hydrogen energy has become one of the main new energy sources in the 21st century due to its abundant sources, high combustion calorific value, environmental friendliness, and zero pollution. Among various potential hydrogen storage methods, solid-state hydrogen storage materials are significantly superior to high-pressure container hy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C18/36B01J27/185
Inventor 王艳白树崇齐楠武士威夏博书曹中秋
Owner 信泰建设工程(北京) 有限公司
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