Graphene Flexible Transparent Heating Element
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Solution Overview
Problem
Conventional heating elements lack flexibility and transparency, limiting their application in large-area, high-efficiency heat generation and radiation, particularly in aesthetic and industrial settings.
Innovation Solution
A flexible transparent heating element using a graphene layer on a flexible transparent substrate, optionally with a metallic layer and a transparent electrode, which enhances heat generation and radiation efficiency while maintaining transparency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional metallic or nonmetallic heating elements are used, then heat generation function is achieved, but flexibility and transparency are lost
Solution Approach 1:
The invention uses a composite structure consisting of a flexible transparent substrate combined with a graphene layer. This composite material approach allows the heating element to simultaneously achieve high heat generation efficiency from the graphene's excellent electrical conductivity and thermal properties, while maintaining the flexibility and transparency characteristics of the polymer substrate, thus resolving the contradiction between heating performance and adaptability.
Solution Approach 2:
The invention changes the material parameter from conventional metals or ceramics to graphene, which has superior electrical conductivity and flexibility. By controlling the number of graphene layers (1-100 layers), the invention adjusts the transparency and heating efficiency parameters, enabling the heating element to maintain both high temperature generation capability and optical transparency, thereby solving the contradiction between heat generation and transparency.
2Power
If graphene layer thickness is increased to improve heat generation, then electrical conductivity improves, but transparency decreases
Solution Approach 1:
The invention precisely controls the graphene layer thickness parameter by stacking 1 to 100 layers of graphene. This parameter optimization allows the heating element to achieve sufficient electrical conductivity for effective heat generation while maintaining adequate transparency for aesthetic and functional requirements, thus resolving the contradiction between power output and light transmission.
Solution Approach 2:
The invention uses a partial coverage approach where the graphene layer is applied only to the extent necessary for achieving the required heating performance. By using minimal layers (1-100) rather than complete coverage or thick deposits, the invention achieves sufficient electrical conductivity for heat generation while minimizing the impact on transparency, effectively balancing power and optical properties.
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
The solution provides improved electrical and mechanical characteristics, increased heat generation and radiation efficiency, and adjustable transparency through varying the number of graphene layers, making it suitable for diverse applications.
Implementation Method 1
The graphene layer may generate heat when electrical power is supplied through the electrode
Implementation Method 2
a heating element converts electricity into heat and transfers the heat to the outside through radiation to transfer energy
Data Source
AI summary
The present invention relates to a flexible transparent heating element using graphene and a method for manufacturing the same. The heating element comprises a flexible transparent substrate; a graphene layer formed to at least one side of the flexible transparent substrate; and an electrode connected with the graphene layer.