Solar battery electrolyte and application thereof

A technology for solar cells and electrolytes, applied in the field of solar cells, can solve problems such as current drop, and achieve the effects of improving filling factor, good electrochemical reversibility, and reducing manufacturing costs

Inactive Publication Date: 2011-04-20
DALIAN HEPTACHROMA SOLAR TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Traditional quantum dot battery electrolytes use I - /I 3 - , although I - /I 3 - The system is an ideal material for quantum dot regeneration in terms of kinetics, and it can also effectively inhibit the recombination of excited stat

Method used

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  • Solar battery electrolyte and application thereof
  • Solar battery electrolyte and application thereof
  • Solar battery electrolyte and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Embodiment 1: the synthesis of organosulfide--1,3-dimethylimidazolium sulfur salt

[0053] Add 22.60g of 1,3-dimethylimidazolium iodide to a three-necked flask under nitrogen protection, add 20mL of ether as a solvent, slowly add 13.64g of AgO solid, stir for 20 minutes to fully react, and then hydraulically filter the reaction to In another three-necked flask under nitrogen protection, then add 47.01g of (NH 4 ) 2 S (8% aqueous solution), stirred, heated and dried until a solid was obtained.

Embodiment 2

[0054] Embodiment 2: the synthesis of organic sulfide-tetramethylammonium sulfide

[0055] In the there-necked flask under nitrogen protection, add 36.0g tetramethylammonium hydroxide (25% aqueous solution), then add 42.7g (NH 4 ) 2 S (8% aqueous solution), stirred, heated and dried until a solid was obtained.

Embodiment 3

[0056] Embodiment 3: the synthesis of organic sulfide-1-picoline sulfur salt

[0057] Add 7.9g of pyridine raw material to a three-necked flask under nitrogen protection, add 20mL of DMF as a solvent, slowly add 14.2g of methyl iodide in an ice bath, stir for 2 hours, distill under reduced pressure until a solid product is obtained, and then add 20mL of Diethyl ether was made solvent, and the AgO solid of 13.6g was slowly added, stirred 20 minutes and made it fully reacted and then reaction hydraulic pressure was filtered in the there-necked flask under another nitrogen protection, then added 42.7g (NH 4 ) 2 S (8% aqueous solution), stirred, heated and dried until a solid was obtained.

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PUM

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Abstract

The invention provides a solar battery electrolyte and an application thereof, belonging to the technical field of solar batteries. The electrolyte can be liquid, jellylike or quasi-flow colloid. The invention is characterized in that the electrolyte at least comprises S<2->/Sx<2-> redox couples, and organic cation solvent matched with S<2->/Sx<2-> or a mixture of solvent and gelatinizer, wherein x is an integer between 2 and 6. The invention also relates to an application of the electrolyte in dye-sensitized solar batteries and quantum point batteries. By utilizing the S<2->/Sx<2-> redox couple electrolyte into the dye-sensitized solar batteries and quantum point solar batteries, most of flow concentration materials can be directly used and can not be corroded by the electrolyte, thus the preparation process of batteries can be greatly simplified, the production cost can be lowered, and the performance of the prepared battery is approximate to that of the battery in the prior art.

Description

technical field [0001] The invention belongs to the technical field of solar cells, and in particular relates to a solar cell electrolyte and its application. Background technique [0002] The electrolyte is one of the key parts of dye-sensitized solar cells and quantum dot solar cells, where the redox couple plays the role of electron transfer. In dye-sensitized solar cells and quantum dot solar cells, the oxidized components in the electrolyte undergo a reduction reaction under the action of the second electrode catalyst to form reduced components, and the reduced components are combined with the oxidized dyes in the first electrode. Molecules or quantum dots react to generate oxidation state components. After the continuous cycle of redox pairs in the electrolyte, the solar cell continuously converts light energy into electrical energy, while the composition of the redox pairs in the electrolyte does not change. [0003] At present, the most commonly used redox couple in...

Claims

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Application Information

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IPC IPC(8): H01G9/022H01G9/20H01M14/00H01L31/02H01L51/44
CPCH01G9/2018Y02E10/50Y02E10/542H01G9/2054Y02P70/50
Inventor 杨希川李玲
Owner DALIAN HEPTACHROMA SOLAR TECH CO LTD
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