Thermoelectric Building Material Layer Integration
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Solution Overview
Problem
Conventional thermoelectric elements are inefficient and costly, requiring additional devices and generators for operation, limiting their use and economic viability.
Innovation Solution
A thermoelectric component composed of multiple layers with different mixtures containing lime and quartz sand, integrated with a cloth in a sandwich structure, generates electricity without the need for external devices by utilizing temperature differences between layers to produce a thermoelectric voltage through metal contacts on its surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional thermoelectric elements are used, then thermoelectric current can be generated, but additional devices and generators are required which increases device complexity and cost
Solution Approach 1:
The patent combines the thermoelectric element with building materials (facade cladding, wallpaper) into a single integrated component. The thermoelectric element is embedded within or attached to the building material structure, eliminating the need for separate mounting devices and generators. This merging approach directly resolves the contradiction by maintaining thermoelectric current generation capability while removing the requirement for additional complex devices.
Solution Approach 2:
The building materials are designed to serve dual functions: their traditional structural/aesthetic function and the new function of generating thermoelectric current. The facade cladding or wallpaper simultaneously provides building coverage/protection and generates electricity through embedded thermoelectric elements, thereby eliminating the need for dedicated separate devices and reducing overall system complexity.
2Reliability
If conventional thermoelectric elements are used, then thermoelectric current can be generated, but production costs are high which reduces economic viability
Solution Approach 1:
By integrating thermoelectric elements during the manufacturing process of building materials rather than as separate components, the patent eliminates additional assembly steps, mounting hardware, and installation labor. The thermoelectric element is incorporated into the building material production line, which reduces overall production costs and improves ease of manufacture while maintaining reliable thermoelectric current generation.
Solution Approach 2:
The building materials with embedded thermoelectric elements are designed to be self-sufficient, generating their own electricity from ambient temperature differences without requiring external power sources or additional control systems. This self-service capability reduces the need for complex support infrastructure and lowers overall system costs, improving economic viability.
3Reliability
If additional devices are attached to existing buildings, then thermoelectric current generation is enabled, but financial outlay increases
Solution Approach 1:
The building materials serve multiple purposes simultaneously: they provide the traditional building functions (facade coverage, insulation, aesthetic appearance) and also function as thermoelectric power generators. This multi-functionality eliminates the need for separate dedicated thermoelectric generation devices, thereby reducing the financial outlay required while ensuring reliable thermoelectric current generation.
Solution Approach 2:
The integrated building materials with embedded thermoelectric elements generate electricity autonomously from environmental temperature gradients without requiring external generators, mounting structures, or additional control systems. This self-service approach eliminates the need for costly additional devices and reduces overall financial investment while maintaining reliable power generation.
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
Enables cost-effective generation of electricity by integrating thermoelectric functionality into building materials, such as facade cladding or wallpaper, eliminating the need for additional devices and reducing financial outlay.
Implementation Method 1
The conversion of thermal energy into thermoelectric current has long been known as the Seebeck effect. Temperature differences between two metals are used to generate thermoelectric power.
Data Source
Figure 1
AI summary
The invention relates to a thermoelectric structural element (9) for generating thermoelectric power that is formed by at least two layers (1, 2) and two metallicelectrical contacts (4, 5). The layers (1, 2) contain mixtures primarily of chalk and quartz sand, with the layers (1, 2) comprising different mixtures. Using different thicknesses of the metallic electrical contacts (4, 5) and the layers (1, 2), the thermoelectric structural element (9) can be produced, inter alia, as a facade panelling, masonry wall element or wallpaper. The invention also relates to a method for producing a thermoelectric structural element (9).