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Nickel-based nickel titanium hydrotalcite film material, preparation method and application thereof

A nickel-titanium hydrotalcite and thin film technology, applied in metal material coating process, coating, liquid chemical plating and other directions, can solve problems such as limited application, and achieve the effect of large contact area, tight bonding, and not easy to fall off

Active Publication Date: 2013-02-06
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that its high resistance and mass transfer resistance limit its practical application

Method used

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  • Nickel-based nickel titanium hydrotalcite film material, preparation method and application thereof
  • Nickel-based nickel titanium hydrotalcite film material, preparation method and application thereof
  • Nickel-based nickel titanium hydrotalcite film material, preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] A. Use nickel foam with a purity greater than 90% as the base material, cut into pieces of 10*15cm in size, wash with 30% concentrated hydrochloric acid for 50s, then ultrasonically clean with deionized water for 3 times, clean with absolute ethanol once, put in 60 Dry in an oven at °C for later use.

[0037] B. 26.4g Ti(SO 4 ) 2 and 58.15gNi(NO 3 ) 2 Prepared into 1000ml solution a, and then 17.5g Na with deionized water 2 CO 3 Prepare 200ml solution b with 18.65g NaOH. Put the nickel foam treated in step A into solution a, then add solution b dropwise into solution a under strong stirring until the pH of the solution reaches 9.5, transfer them to a polytetrafluoroethylene reactor and put them in an oven React at 90°C for 6h. After the reaction was finished, the nickel foam was taken out, excess sediment on the surface was washed off with deionized water, and dried at 60° C. for 12 hours.

[0038] C. Prepare the same 1000ml solution c as solution a in step B...

Embodiment 2

[0040] A. Use nickel foam with a purity greater than 90% as the base material, cut into pieces of 10*15cm in size, wash with 30% concentrated hydrochloric acid for 50 seconds, then ultrasonically clean with deionized water for 3 times, clean with absolute ethanol once, put in 60 ℃ oven dry.

[0041] B. 39.6g Ti(SO 4 ) 2 and 87.24gNi(NO 3 ) 2 Prepare 800ml solution a, then prepare 28gNOH and 23.3gNa with deionized water 2 CO 3 225ml mixed solution b. Put the nickel foam treated in step A into solution a, then add solution b dropwise into solution a under strong stirring until the pH of the solution reaches 9, then transfer them together to a 1000ml beaker, and seal the beaker with plastic wrap mouth. Stir vigorously in a water bath at 60°C and react for 5 hours. After the reaction, take out the nickel foam and clean it with deionized water, put it in an oven, and dry it at 60°C for 12 hours.

[0042] C. 26.4g Ti(SO 4 ) 2 and 58.15g Ni(NO 3 ) 2 Prepare 1000ml solu...

Embodiment 3

[0044] A. Use nickel foam with a purity greater than 90% as the base material, cut into pieces of 10*15cm in size, wash with 30% concentrated hydrochloric acid for 50 seconds, then ultrasonically clean with deionized water for 3 times, clean with absolute ethanol once, put in 60 ℃ oven dry.

[0045] B. 19.8g Ti(SO 4 ) 2 and 43.6g Ni(NO 3 ) 2 Prepare 750ml of solution a, use deionized water to dissolve 14gNOH and 11.85gNa 2 CO 3 Prepare 250ml of solution b, put the nickel foam treated in step A into solution a, then add solution b dropwise into solution a under strong stirring until the pH of the solution reaches 8.5, and then add it to the tetrafluoroethylene removal reaction In the kettle, react at 80°C for 10h. After the reaction, the nickel foam was cleaned, put into an oven, and dried at 60° C. for 12 hours for later use.

[0046] C. 19.8g Ti(SO 4 ) 2 and 43.6g Ni(NO 3 ) 2 Prepare 750ml of solution c, then use deionized water to mix 60ml of ammonia water with...

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Abstract

The invention provides a nickel-based nickel titanium hydrotalcite film material, a preparation method and application of the nickel-based nickel titanium hydrotalcite film material. The material can be used as a super capacitance material and an electric adsorption material; the nickel-based nickel titanium hydrotalcite film material takes foam nickel as a base material, and a nickel-titanium hydrotalcite film grows in situ on the surface. The film has the advantages of complete crystal shape, uniform density, and high adhesive force, and does not easily fall off. The preparation method comprises the steps of: placing a foam nickel sheet into mixed solution of nickel nitrate and titanous sulfate, and planting the nickel-titanium hydrotalcite film in situ on the foam nickel sheet by controlling the reaction conditions such as pH, a reaction temperature and time. A nickel source disclosed by the nickel-based nickel titanium hydrotalcite film material is from the foam nickel surface and nickel salt dissolved into a solution. Compared with a pure hydrotalcite film deposited on a substrate, the prepared film is stronger in adhesive force on a base body, and the material has a better super capacitive property and an electric adsorption performance, and can be used as a super capacitance electrode material and an electric adsorption electrode material.

Description

technical field [0001] The invention relates to a hydroslide film material and a preparation method thereof, in particular to a nickel-titanium hydrotalcite film material and a preparation method and application thereof. Background technique [0002] Under the current trend of rapid technological development, electronic components are becoming smaller and electric vehicles are becoming more and more popular, supercapacitors as backup power and memory backup devices have attracted widespread attention. The current mainstream supercapacitor materials are developed from ruthenium oxide thin film systems and carbon double layers. In Electrochem.Solid State Lett, 2000,3(5):205-208, the specific capacity of the ruthenium-chromium composite oxide made by Manthiram et al. is as high as 840F / g. However, the ruthenium material required for large-capacity capacitors in battery-capacitor hybrid systems used in electric vehicle power sources is very expensive, which is also a very impor...

Claims

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Application Information

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IPC IPC(8): C23C26/00C23C18/00H01G11/30
CPCY02E60/13
Inventor 雷晓东谷耀行孙晓明
Owner BEIJING UNIV OF CHEM TECH
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