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Solid magnetic polymer electrolyte as well as preparation method and application thereof

A polymer and electrolyte technology, applied in the field of dye-sensitized solar cells, can solve the problems of short service life, inability to use, and poor stability of dye-sensitized solar cells, and achieve the goal of improving photoelectric conversion efficiency, improving efficiency, and low interface resistance Effect

Inactive Publication Date: 2013-11-06
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because the organic solvent used in the liquid electrolyte has a low boiling point, is volatile, and has high fluidity, there are insurmountable defects such as difficult packaging and easy leakage in practice, which makes the service life of the dye-sensitized solar cell short and poor in stability. be used in real life

Method used

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Examples

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Comparison scheme
Effect test

Embodiment 1

[0029] The solid magnetic polymer electrolyte of this embodiment is made of the following raw materials in mass percentage: N-methylpyrrolidone 96.7%, agarose polymer 1%, magnetic nanoparticle modifier nano-NiO 0.5%, surfactant Tween -80 1%, inorganic mixture of lithium iodide and iodine 0.8%;

[0030] In the inorganic mixture of lithium iodide and iodine, the mass percentage consists of: lithium iodide 35%, iodine 65%;

[0031] The preparation method of the solid magnetic polymer electrolyte of the present embodiment is as follows:

[0032] (1) Add the agarose polymer into N-methylpyrrolidone solvent, seal it, and stir for 2 hours in a constant temperature water bath at 80°C to form a uniform solution to obtain an agarose polymer solution;

[0033] (2) Add the magnetic nanoparticle modifier nano-NiO and the surfactant Tween-80 into the agarose polymer solution obtained in step (1), seal it, and stir it in a constant temperature water bath at 60°C for 4 hours to form a unifor...

Embodiment 2

[0039] The solid-state magnetic polymer electrolyte of this embodiment is made of the following raw materials in mass percentage: N-methylpyrrolidone 87.5%, agarose polymer 3%, magnetic nanoparticle modifier nano-Fe 2 o 3 5%, surfactant polyvinylpyrrolidone 3%, inorganic mixture of lithium iodide and iodine 1.5%.

[0040] In the inorganic mixture of lithium iodide and iodine, the mass percent composition is: lithium iodide 15%, iodine 85%.

[0041] The preparation method of the solid magnetic polymer electrolyte of the present embodiment is as follows:

[0042] (1) Add the agarose polymer into N-methylpyrrolidone solvent, seal it, and stir it in a constant temperature water bath at 75°C for 3 hours to form a uniform solution to obtain an agarose polymer solution;

[0043] (2) The magnetic nanoparticle modifier nano-Fe2 o 3 And the surfactant polyvinylpyrrolidone is added to the agarose polymer solution obtained in step (1), sealed, and stirred in a constant temperature wat...

Embodiment 3

[0049] The solid magnetic polymer electrolyte of this embodiment is made of the following raw materials in mass percentage: N-methylpyrrolidone 72%, agarose polymer 8%, magnetic nanoparticle modifier nano Co 3 o 4 8%, surfactant sodium dodecylsulfonate 10%, inorganic mixture of lithium iodide and iodine 2%;

[0050] In the inorganic mixture of lithium iodide and iodine, the mass percentages are: lithium iodide 10%, iodine 90%.

[0051] The preparation method of the solid magnetic polymer electrolyte of the present embodiment is as follows:

[0052] (1) Add the agarose polymer into the N-methylpyrrolidone solvent, seal it, and stir it in a constant temperature water bath at 90°C for 1 hour to form a uniform solution to obtain the agarose polymer solution;

[0053] (2) The magnetic nanoparticle modifier nano Co 3 o 4 And the surfactant sodium dodecylsulfonate was added to the agarose polymer solution obtained in step (1), sealed, and stirred for 2 hours in a constant temper...

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Abstract

The invention relates to a solid magnetic polymer electrolyte as well as a preparation method and an application thereof. The solid magnetic polymer electrolyte comprises the following raw materials in percentage by weight: 60-98 percent of N-methyl pyrrolidone, 1-8 percent of agarose polymers, 0.5-8 percent of magnetic nanometer particle modifiers, 1-10 percent of surfactants and 0.8-2 percent of inorganic mixtures of lithium iodide and iodide. The invention also comprises the preparation method and the application of the solid magnetic polymer electrolyte. The magnetic nanometer particle-modified agarose polymer electrolyte prepared by the invention has the beneficial effects that the method is simple and practicable; the problem that a liquid electrolyte of a dye-sensitized solar cell is difficultly packaged and is easily volatilized can be effectively solved; and the stability of the dye-sensitized solar cell is improved, the photoelectric conversion efficiency of the dye-sensitized solar cell is improved, and the development and the application of the dye-sensitized solar cell are realized.

Description

technical field [0001] The invention belongs to the field of dye-sensitized solar cells, and in particular relates to a solid magnetic polymer electrolyte and its preparation method and application. Background technique [0002] Compared with traditional silicon solar cells, dye-sensitized solar cells are a new type of green photoelectric conversion device with low cost and relatively high efficiency. Dye-sensitized solar cells are mainly composed of TiO 2 / dye, electrolyte and counter electrode constitute. At present, electrolytes used in dye-sensitized solar cells often contain I － and I 3 － Liquid electrolytes for redox couples. Because the organic solvent used in the liquid electrolyte has a low boiling point, is volatile, and has high fluidity, there are insurmountable defects such as difficult packaging and easy leakage in practice, which makes the service life of the dye-sensitized solar cell short and poor in stability. be used in real life. Contents of the i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01G9/028H01G9/20H01M14/00H01L51/42H01L51/44H01L51/48
CPCY02E10/542Y02E10/549
Inventor 杨英郭学益王惟嘉易鹏飞
Owner CENT SOUTH UNIV
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