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Water evaporation power generation device and preparation method based on ldhs

A water evaporation and device technology, which is applied in the field of LDHs-based water evaporation power generation devices and preparations, to achieve the effect of simple preparation of raw materials and expansion of material range

Active Publication Date: 2019-03-05
DONGGUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, LDHs are mainly used as catalyst carriers or drug carriers. So far, there are no reports on the application of LDHs to water evaporation power generation devices.

Method used

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  • Water evaporation power generation device and preparation method based on ldhs
  • Water evaporation power generation device and preparation method based on ldhs
  • Water evaporation power generation device and preparation method based on ldhs

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The LDHs-based water evaporation power generation device of the present invention has a base equipped with tabs and a coating on the base, and the coating is LDHs.

[0022] The preparation method of the LDHs-based water evaporation power generation device of the present invention is carried out as follows:

[0023] a. Preparation of LDHs solid powder:

[0024] Prepare 80ml of nickel nitrate, aluminum nitrate and urea mixed solution, wherein Ni 2+ 、Al 3+ and urea concentrations are respectively 10 mmol / L, 5 mmol / L and 20 mmol / L, and then packed into a 100ml autoclave and reacted for 72h at 150 degrees to obtain a precipitate (Ni 2 Al-LDHs);

[0025] After the reaction kettle is cooled to room temperature, the kettle is opened, and the resulting precipitate is filtered, washed and dried to obtain Ni 2 Al-LDHs solid powder;

[0026] Ni obtained in embodiment 1 of the present invention 2 The XRD spectrum of Al-LDHs is as follows figure 1 shown;

[0027] b. Ni 2 Al...

Embodiment 2

[0032] A water evaporation power generation device based on LDHs of the present invention is the same as that in Embodiment 1.

[0033] The preparation method of the LDHs-based water evaporation power generation device of the present invention is carried out as follows:

[0034] a. Preparation of LDHs solid powder:

[0035] Prepare a mixed solution of 20ml nickel nitrate and aluminum nitrate, wherein Ni 2+ and Al 3+ The concentration is 3.5mol / L, this solution is marked as solution Ⅰ; prepare 200ml of 2.0mol / L NaOH solution, and this solution is marked as solution Ⅱ; prepare 0.1mol / L NaNO 3 Solution 100ml, this solution is marked as solution Ⅲ;

[0036] Put solution Ⅲ into a 1000ml large beaker, then add solution Ⅰ and solution Ⅱ into the beaker drop by drop with a peristaltic pump, and keep stirring with a magnet, monitor the pH of the solution in the beaker with a pH meter, and adjust the two peristaltic pumps The dropping speed keeps the pH of the solution in the beaker...

Embodiment 3

[0044] A water evaporation power generation device based on LDHs of the present invention is the same as that in Embodiment 1.

[0045] The preparation method of the LDHs-based water evaporation power generation device of the present invention is carried out as follows:

[0046] a. Preparation of LDHs solid powder:

[0047] Prepare 80ml of mixed solution of nickel chloride, aluminum chloride and urea, wherein Ni 2+ 、Al 3+ The concentrations of urea and urea were 64 mmol / L, 64 mmol / L and 140 mmol / L, respectively, and then put into a 100ml high-pressure reactor and reacted at 300 degrees for 24 hours to obtain precipitates (NiAl-LDHs);

[0048] After the reaction kettle is cooled to room temperature, the kettle is opened, and the formed precipitate is filtered, washed and dried to obtain NiAl-LDHs solid powder;

[0049] b. Uniformly disperse NiAl-LDHs solid powder in a solvent to form NiAl-LDHs liquid;

[0050] c. Coating the NiAl-LDHs liquid on the quartz glass sheet equipp...

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Abstract

The invention discloses a water evaporation power generation device based on LDHs, which has a base equipped with tabs and a coating on the base, and the coating is LDHs. The preparation method is carried out according to the following steps: preparing LDHs solid powder; uniformly dispersing the LDHs solid powder in the liquid to form an LDHs liquid; coating the LDHs liquid on a substrate equipped with tabs at room temperature; drying to make the LDHs liquid uniformly form membrane. Not only has the advantages of simple raw material preparation and coating at room temperature, but also expands the range of materials for preparing substrates, not only hard substrates (such as quartz glass sheets, etc.), but also flexible substrates (such as plastic sheets, film or fabric, etc.), laying the foundation for the creation of self-driving wearable devices.

Description

technical field [0001] The invention relates to a water evaporation power generation device and a preparation method, in particular to an LDHs-based water evaporation power generation device and a preparation method. Background technique [0002] Converting ambient energy into electrical energy is an essential part of building low-cost, green, self-driving devices. Water evaporation is a spontaneous process in nature every moment, and water evaporation power generation devices that use water evaporation to generate electricity have come out. The structure of the existing water evaporation power generation device is provided with a base equipped with tabs, and a coating connected to the tabs is arranged on the base. The coating part of the water evaporation power generation device is immersed in water, and the water evaporation is used as the driving force to generate a flowing potential in the coating, and then generate electrical energy (voltage and current) between the tw...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01G53/00C01F7/00C01G49/00C03C17/22C09D1/00
CPCC01G49/009C01G53/006C03C17/22C09D1/00C01P2002/72C01F7/785
Inventor 曲江英高峰李长平
Owner DONGGUAN UNIV OF TECH
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