Solar Active Powder Coating for Photovoltaic Energy Conversion
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Solution Overview
Problem
Current solar energy conversion technologies, such as solar glass panels, are inefficient and costly for widespread energy generation, particularly in converting natural light into electricity.
Innovation Solution
A solar active composition comprising photovoltaic pigments blended with conductive resin, forming a powder coating that, when applied to a substrate and heated, creates a laminate with absorptive and protective layers to generate electricity from solar energy, utilizing photovoltaic and absorptive pigments like strontium phosphor and titanium dioxide.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional solar glass panels are used for solar energy conversion, then solar energy can be converted into electricity, but the efficiency is low and the cost is high
Solution Approach 1:
The patent changes the physical and chemical parameters of the coating materials, including using specific photovoltaic pigments with optimized particle sizes (0.1-10 micrometers), controlling resin molecular weight and functionality, and adjusting catalyst concentrations to achieve high-efficiency energy conversion at lower manufacturing costs
Solution Approach 2:
The invention creates a composite powder coating composition combining photovoltaic pigments (such as organic dyes, quantum dots, or semiconductor particles), conductive resins, curing agents, and catalysts in specific ratios to achieve both high energy conversion efficiency and cost-effectiveness, replacing expensive traditional solar glass panels
2Adaptability or versatility
If powder coating composition is applied to form solar active layer, then the device can generate electricity from solar energy, but the coating must be heated to fuse the powder which consumes additional energy
Solution Approach 1:
The patent selects resin and curing agent combinations with optimized glass transition temperatures and reactivity to reduce the fusion temperature of the powder coating, thereby minimizing the heating energy required while maintaining adaptability to various substrates including metals, plastics, and ceramics
3Reliability
If multiple powder coating layers are applied (absorptive, photoactive, protective), then the device performance is improved, but the manufacturing process becomes more complex
Solution Approach 1:
The patent divides the solar energy conversion device into three distinct functional layers: an absorptive layer for light harvesting, a photoactive layer for charge generation, and a protective layer for durability, allowing each layer to be optimized independently while maintaining overall device performance
Solution Approach 2:
The invention develops universal powder coating compositions that can serve multiple functions within each layer, such as combining photovoltaic pigments with conductive resins in the photoactive layer to simultaneously achieve light absorption, charge generation, and electrical conductivity, thereby reducing process complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enables the conversion of natural light into electricity with improved efficiency and reduced costs, allowing for the use of various substrates and potential replacement of traditional solar glass panels, with the technology capable of preserving energy for up to 24 hours.
Implementation Method 1
A solar active or photovoltaic composition comprising a solar active or photovoltaic pigment in combination with a resin including a conductive resin is described. This composition may form a coating upon fusion or heating.
Implementation Method 2
An absorptive pigment, such as titanium dioxide, may also be provided.
Implementation Method 3
a resin including a conductive resin
Implementation Method 4
The heated powder fuses to form a continuous film.
Data Source
AI summary
A fusion powder coating useful in forming a coating by fusion of the powder comprising a solar active or a photovoltaic pigment in combination with a resin including a conductive resin and a device for generating electric energy from solar or photo illumination comprising an electrode, a first powder coated layer of an absorptive pigment and a resin, a second powder coated layer of the aforementioned solar active powder, and a protective layer.