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Quasi-solid electrolyte, based on bi-imidazole type ionic crystal, for solar cell

A technology of solar cells and ionic crystals, applied in electrolytic capacitors, circuits, capacitors, etc., can solve the problems affecting the photoelectric conversion efficiency of dye-sensitized solar cells, easy to burn and leak, and toxicity, so as to improve photoelectric conversion efficiency and improve conductance rate, to avoid the effect of leakage

Active Publication Date: 2016-03-09
上海博暄能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology solves problems by eliminating certain components from an existing solution containing harmful chemical substances like acids or bases during production processes while maintaining good performance for use in making semi-solar batteries (SSC). These improvements improve their overall properties such as durability over time without losing effectiveness due to leaks caused by these compounds themselves.

Problems solved by technology

This patented technical problem addressed by these inventors relates to improving the properties of elec trodes used in photovoltaics due to their ability to efficiently transfer electrons during charge separation processes without causing damage or losing any light energy they produce through absorption. Current methods involve liquids that can be dangerous and may lose some amount of electrical power over time. Solid state materials offer advantages like lower cost, less risk from burning out while also providing better durability compared to current solutions.

Method used

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  • Quasi-solid electrolyte, based on bi-imidazole type ionic crystal, for solar cell
  • Quasi-solid electrolyte, based on bi-imidazole type ionic crystal, for solar cell
  • Quasi-solid electrolyte, based on bi-imidazole type ionic crystal, for solar cell

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Experimental program
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Embodiment 1

[0019] The component PMII, I 2 , methylbenzimidazole, CuAl 2 o 4 The electrolyte is prepared according to the mass ratio of 50:35:5:5:5, and the dye-sensitized solar cell is assembled. At 25°C, use a xenon lamp to simulate sunlight with a light intensity of 100mW / cm 2 Under the conditions, the measured battery (effective area 0.16cm 2 ) The photoelectric parameters are shown in the appendix (Table 1), wherein PMII represents 1-methyl-3-propylimidazolium iodide.

Embodiment 2

[0021] The component PMII, I 2 , methylbenzimidazole, CuAl 2 o 4 , CuI was prepared as an electrolyte according to the mass ratio of 40:30:10:10:5:5, and assembled into a dye-sensitized solar cell. At 25°C, use a xenon lamp to simulate sunlight with a light intensity of 100mW / cm 2 Under the conditions, the measured battery (effective area 0.16cm 2 ) see the appendix (Table 1) for photoelectric parameters.

Embodiment 3

[0023] The component PMII, I 2 , methylbenzimidazole, CuAl 2 o 4 , CuI was prepared as an electrolyte according to the mass ratio of 25:55:5:5:5:5, and assembled into a dye-sensitized solar cell. At 25°C, use a xenon lamp to simulate sunlight with a light intensity of 100mW / cm 2 Under the conditions, the measured battery (effective area 0.16cm 2 ) see the appendix (Table 1) for photoelectric parameters.

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Abstract

The invention relates to a quasi-solid electrolyte, based on bi-imidazole type ionic crystals, for solar cells. The quasi-solid electrolyte contains the following components: 25-50wt% of imidazole type ionic liquid, 30-55wt% of a bi-imidazole type ionic crystal, 5-10wt% of an iodine simple substance, and 5-10wt% of methyl benzimidazole. The chemical constitution general formula of the bi-imidazole type ionic crystal is shown in the description, wherein X is one of Br, I, C1, BF4, TFSI and PF6, a and b are independent integers from 2 to 6, and c is an integer from 0 to 5. The quasi-solid electrolyte also contains, by mass, 1-5wt% of CuAl2O4. In this way, the photoelectric conversion efficiency of a dye-sensitized solar cell is improved.

Description

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Claims

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Application Information

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Owner 上海博暄能源科技有限公司
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