Performance-optimized electrochromic device and preparation method thereof
A technology of electrochromic devices and electrochromic materials, applied in instruments, nonlinear optics, optics, etc., can solve problems such as affecting the transmission of electrolyte anions, inability to change color and time, and difficulty in anion doping, so as to improve uneven discoloration Problems, improvement of discoloration time, effect of shortening incorporation time
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0035]An electrochromic device and its performance optimization method, including electrochromic material film forming process, ion transport layer film forming process, device assembly process and device optimization process, the electrochromic material is an organic polymer material , the film forming process is spray film forming; the ion transport layer is a polymer-based electrolyte, and the film forming process of the ion transport layer is also spray coating; the performance-optimized electrochromic device is assembled using full spray coating Film formation, the mode of layer-by-layer stacking (LBL); the optimization technique of described electrochromic device, comprises the following steps:
[0036] Step 1: Spray the xylene solution (3mg / ml Prodot) of the first color-changing polymer onto the conductive surface of ITO glass by spraying, and dry to form a film;
[0037] Step 2: Weigh PVDF-HFP (Mn=400000, monomer ratio 7:3) powder accounting for 60% of the total mass, ...
Embodiment 2
[0061] An electrochromic device adopting interface optimization, the manufacturing method thereof is as follows:
[0062] Step 1: Spray the xylene solution (3mg / ml Prodot) of the first color-changing polymer onto the conductive surface of ITO glass by spraying, and dry to form a film;
[0063] Step 2: Weigh PVDF-HFP (Mn=400000, monomer ratio 7:3) powder accounting for 60% of the total mass, dissolve it in a mixed solution with a volume ratio of acetone and DMF of 3:1, stir until completely dissolved, To obtain a clear and transparent solution, add 1 mol / l LiTFSI / [BMIM][TFSI] liquid electrolyte to the obtained transparent solution, the liquid electrolyte component accounts for 40% of the total mass, stir and mix evenly to obtain an electrolyte solution. Continue to use the spraying method, spray the electrolyte solution onto the color-changing polymer layer, and dry it in vacuum for 10 hours;
[0064] Step 3: Mix the xylene solution (3mg / ml PEDOT) of the second color-changing ...
Embodiment 3
[0069] An electrochromic device adopting interface optimization, the manufacturing method thereof is as follows:
[0070] Step 1: Spray the xylene solution (3mg / ml Prodot) of the first color-changing polymer onto the conductive surface of ITO glass by spraying, and dry to form a film;
[0071] Step 2: Weigh PVDF-HFP (Mn=400000, monomer ratio 7:3) powder accounting for 60% of the total mass, dissolve it in a mixed solution with a volume ratio of acetone and DMF of 3:1, stir until completely dissolved, To obtain a clear and transparent solution, add 1mol / l LiClO to the obtained transparent solution 4 / PC (propylene carbonate) liquid electrolyte, the liquid electrolyte component accounts for 40% of the total mass, and is stirred and mixed evenly to obtain an electrolyte solution. Continue to use the spraying method, spray the electrolyte solution onto the first electrochromic polymer layer, and vacuum dry for 10 hours;
[0072] Step 3: Spray the second color-changing polymer (P...
PUM
Property | Measurement | Unit |
---|---|---|
electrical conductivity | aaaaa | aaaaa |
strength | aaaaa | aaaaa |
electrical conductivity | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
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