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Perovskite solar battery and supercapacitor integrated part and preparation method thereof

A technology for supercapacitors and solar cells, which can be used in capacitor collector combinations, electric solid-state devices, semiconductor/solid-state device manufacturing, etc. It can solve problems such as the inability to apply flexible electronic products, and the lack of research on the integration of perovskite solar cells and supercapacitors. , to achieve the effects of optimizing the preparation cost, reducing the preparation cost and simplifying the preparation process

Active Publication Date: 2016-07-13
HUAZHONG UNIV OF SCI & TECH
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  • Description
  • Claims
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Problems solved by technology

[0004] At present, although there have been some studies on the integration of solar cells and supercapacitors, there are few studies on the integration of perovskite solar cells and supercapacitors. The integration method is relatively simple, and the preparation of perovskite solar cells still involves high-temperature processes. Cannot be applied to flexible electronics

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  • Perovskite solar battery and supercapacitor integrated part and preparation method thereof
  • Perovskite solar battery and supercapacitor integrated part and preparation method thereof

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[0048] The embodiment of the present invention also provides a method for preparing a perovskite solar cell and supercapacitor integration, which mainly includes the following steps:

[0049] 1) Preparing and pre-treating the conductive substrate (i.e. the second conductive substrate 1) of the solar cell unit, the conductive substrate is a transparent conductive substrate;

[0050] 2) Preparation of TiO on the pretreated conductive substrate 2 or ZnO or Al 2 o 3 As the solar cell photoanode 2, for example, it is prepared by hydrothermal growth, spin coating, magnetron sputtering, and electron beam evaporation;

[0051] 3) Prepare the perovskite layer 3 on the prepared photoanode by a one-step method or a two-step method;

[0052] 4) Printing a conductive carbon paste on the prepared perovskite layer to prepare a carbon electrode 4, and completing the preparation of a solar cell unit;

[0053] 5) Repeat steps 1)-4) to prepare multiple solar cell units, for example 3, connec...

Embodiment 1

[0064] Step 1: Clean the cut FTO ultrasonically with acetone and ethanol for 15 minutes respectively to remove organic matter on the surface, then wash it with deionized water, and finally put it in a UV-ozone cleaning machine for 30 minutes for surface modification;

[0065] Step 2: Spin-coat TiO on the surface of the pretreated FTO substrate 2 Dispersion (buy Dyesol's TiO 2 The slurry is diluted with ethanol according to a weight ratio of 2:7), and then annealed at 500°C for 30 minutes, and the photoanode is prepared;

[0066] Step 3: Two-step preparation of CH on the photoanode prepared in Step 2 3 NH 3 PB 3 Perovskite film: First, spin-coat 1.2mol / LPbI on the surface of the photoanode 2 Dimethylformamide (DMF) solution, heated and dried at 90°C; then the sample was soaked in CH with a concentration of 10mg / mL 3 NH 3 In the isopropanol solution of 1, take it out after continuing for 15min, and clean it with isopropanol solution, after heating and drying at 90°C, the p...

Embodiment 2

[0074] Step 1: Clean the cut FTO ultrasonically with acetone and ethanol for 15 minutes respectively to remove organic matter on the surface, then wash it with deionized water, and finally put it in a UV-ozone cleaning machine for 30 minutes for surface modification;

[0075] Step 2: Hydrothermal growth of TiO on the pretreated FTO substrate 2 Nano stave. First, mix 25mL deionized water and 25mL concentrated hydrochloric acid to prepare an acidic solution; then add 0.8mL tetrabutyl titanate to the acidic mixed solution, transfer it to a high-pressure reactor after mixing; growth for 6 hours; finally annealed at 450°C for 2 hours to strengthen the crystallization, and the photoanode was prepared;

[0076] Step 3: Two-step preparation of CH on the photoanode prepared in Step 2 3 NH 3 PB 3 Perovskite film: First, spin-coat 1.2mol / LPbI on the surface of the photoanode 2 DMF solution, heated and dried at 90°C; then the sample was soaked in CH with a concentration of 10 mg / mL ...

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Abstract

The invention discloses a perovskite solar battery and supercapacitor integrated part and a preparation method thereof, the part comprises a supercapacitor and two perovskite solar battery packs, the supercapacitor comprises a conductive substrate with carbon electrodes printed on the surfaces, the conductive substrate is arranged between the two perovskite solar packs and is isolated by solid electrolyte layers; each perovskite solar pack comprises a plurality of solar battery units in series, the solar battery units comprise conductive substrates, photo-anodes, perovskite layers and carbon electrodes, wherein the carbon electrodes of the solar battery units on the left end serve as the positive poles of the perovskite solar battery packs and a positive pole of the supercapacitor, the conductive substrates of the solar battery units on the right end are connected with a conductive substrtrate of the supercapacitor, so that electrons generated by illumination are transmitted to a negative pole of the supercapacitor. The part and the method provided by the invention simplifies a preparation technology, reduces preparation cost and realizes the coherence of the efficient photoelectricity energy conversion and memory function based on a perovskite micro energy device.

Description

technical field [0001] The invention belongs to the technical field of energy conversion and storage devices, and more specifically relates to a perovskite solar cell and supercapacitor integrated part and a preparation method thereof. Background technique [0002] In recent years, solar cells have gradually been recognized. However, in practical applications, the cycle of day and night and changes in climate and sunlight will cause drastic fluctuations in the energy output of solar cells. Therefore, it is of great significance to realize the photoelectric conversion of solar energy and timely storage of electric energy, and the effective integration of photoelectric energy conversion and energy storage devices will be an important way for solar cells to provide stable energy output and promote the application of solar cells, especially when energy requirements are low. It has a very good application prospect in flexible electronic products that require mobile charging outdo...

Claims

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Application Information

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IPC IPC(8): H01L27/30H01L21/77H01L51/42H01G11/08
CPCH01G11/08H10K39/10H10K30/152H10K30/151Y02E10/549Y02E60/13
Inventor 廖广兰刘智勇史铁林谭先华孙博吴悠妮潜世界
Owner HUAZHONG UNIV OF SCI & TECH
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