Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Dye-sensitized solar cell and electrolysis solution for dye-sensitized solar cell

A technology for sensitization of solar cells and pigments, applied in the field of electrolytes, can solve the problems of decreased diffusivity of charge transport materials, decreased battery characteristics, and high volatility, achieve long-term stabilization of battery characteristics, and contribute to durability and thermal stability. high sex effect

Inactive Publication Date: 2017-12-01
SUMITOMO SEIKA CHEM CO LTD
View PDF21 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Organic solvents such as acetonitrile are generally highly volatile, and are prone to gas generation caused by volatilization or decomposition in the battery
Therefore, there may be a decrease in battery characteristics such as a decrease in current density and open circuit voltage due to long-term use.
In addition, in the method of gelling the electrolyte, the diffusivity of the charge transport material decreases, which may lead to a decrease in current and voltage.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Dye-sensitized solar cell and electrolysis solution for dye-sensitized solar cell
  • Dye-sensitized solar cell and electrolysis solution for dye-sensitized solar cell
  • Dye-sensitized solar cell and electrolysis solution for dye-sensitized solar cell

Examples

Experimental program
Comparison scheme
Effect test

manufacture example 1

[0117] [Production Example 1] Synthesis of bis(2,2,6,6-tetramethyl-4-piperidinyl-1-oxy) sebacate (compound (A))

[0118] [Chemical formula 13]

[0119]

[0120] A 200mL 4-necked flask equipped with a stirrer, a nitrogen introduction tube, a thermometer, and a reflux condenser was fully vented with nitrogen, and then 50 mL of tetrahydrofuran, 1.11 g (0.011 mol) of triethylamine, and 4-hydroxy-2,2,6 ,6-Tetramethylpiperidine (manufactured by Tokyo Chemical Industry Co., Ltd., trade name: TEMPOL) 1.72 g (0.010 mol) to obtain a homogeneous solution. Next, after cooling the 4-necked flask to 10°C or lower with ice water, 20 mL of a tetrahydrofuran solution containing 1.01 g (0.005 mol) of sebacic acid (manufactured by Tokyo Chemical Industry Co., Ltd.) and 1.31 g (0.011 mol) of thionyl chloride was added. Continuously drip into the homogeneous solution. After the dropping, the reaction was performed for 2 hours while keeping the reaction liquid at 10°C or lower, and then the reaction w...

manufacture example 2

[0122] Synthesis of bis(6-(2,2,6,6-tetramethyl-4-piperidinyl-1-oxy)hexyl) sebacate (compound (B))

[0123] [Chemical formula 14]

[0124]

manufacture example 2-1

[0125] (Production Example 2-1) Intermediate (B1): Synthesis of ethyl (2,2,6,6-tetramethyl-4-piperidylidene) acetate

[0126] After fully ventilating nitrogen in a 500 mL 4-necked flask equipped with a stirrer, nitrogen introduction tube, thermometer, and reflux condenser, 4.0 g (0.10 mol) of sodium hydride and 100 mL of diethyl ether were mixed, and the phosphono group was added slowly 25.1 g (0.11 mole) of triethyl acetate. Next, 80 mL of a diethyl ether solution of 10.9 g (0.07 mol) of 2,2,6,6-tetramethyl-4-piperidone was slowly added, and the reaction was continued for 15 hours. After that, water was added, extraction was repeated several times with diethyl ether, and after dehydration with magnesium sulfate, the solvent was removed with an evaporator to obtain 8.7 g (0.039 mol) of intermediate (B1). In addition, the molecular weight of the obtained product measured by mass analysis was 225, and it was confirmed that ethyl (2,2,6,6-tetramethyl-4-piperidide) acetate (intermed...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a dye-sensitized solar cell and an electrolysis solution for the dye-sensititized solar cell. Provided is a dye-sensitized solar cell that is non-iodine based, that has superior diffusivity of a charge-transporting material, and that has long-term stable cell performance. The dye-sensitized solar cell is provided with a semiconductor electrode including a semiconductor and a dye, a counter electrode facing the semiconductor electrode, and an electrolyte layer provided between the semiconductor electrode and the counter electrode, wherein the electrolyte layer contains a nitroxyl radical compound and a sulfone compound represented by formula (1). [In formula (1) as shown in the description, R1 and R2 independently represent a straight-chain or branched-chain alkyl group with a carbon number of 1-12, an alkoxy group, an aromatic ring, or a halogen, or alternatively, R1 and R2 are bonded to each other to form a ring-shaped sulfone compound.].

Description

Technical field [0001] The present invention relates to a dye-sensitized solar cell and an electrolyte used in the dye-sensitized solar cell. Background technique [0002] In recent years, as a renewable energy source, research related to technologies using wind power, sunlight, etc., has been extensively conducted. Among them, photovoltaic conversion technologies such as solar cells are one of the technologies that have attracted much attention because they can be used in general households with renewable energy. [0003] As the form of solar cells using photoelectric conversion technology, crystalline silicon solar cells, amorphous silicon solar cells, organic thin film solar cells, dye-sensitized solar cells, etc. can be cited according to the classification of device materials. Among them, crystalline silicon solar cells have been industrially produced since ancient times, and they have begun to spread along with the increase in conversion efficiency in recent years. Furtherm...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): H01G9/20H10K99/00
CPCY02E10/542H01G9/2018H01G9/2031H01G9/2059Y02E10/549H10K85/654H10K30/81H10K85/40
Inventor 桥本瞬河野佑轨金原祐治藤田浩司
Owner SUMITOMO SEIKA CHEM CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com