Nanowire Coatings for Flexible DC Power Distribution
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Solution Overview
Problem
Current electrical power distribution systems are inflexible and cumbersome, particularly in retrofit installations, as they require wiring to be installed within walls and ceilings, leading to disruptions and delays in construction schedules, and result in significant power losses due to AC to DC conversion.
Innovation Solution
A system utilizing silver nanowire coatings to transmit DC power, allowing for flexible and non-invasive installation and relocation of DC power distribution points by applying nanowire paths on surfaces, eliminating the need for traditional wiring and reducing power conversion losses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional electrical wiring is installed within walls and ceilings, then power distribution reliability is improved, but construction time and flexibility are significantly reduced
Solution Approach 1:
The patent divides the power distribution system into modular components: AC/DC converter units that can be independently installed at different locations, and separate nanowire trace heating elements. This segmentation allows installation without coordinated wall/ceiling work, reducing construction time while maintaining reliable power delivery to multiple devices.
Solution Approach 2:
The patent transitions from three-dimensional wiring installation (within walls and ceilings) to two-dimensional surface application (nanowire traces on walls, windows, or other surfaces). This dimensional change eliminates the need for invasive construction while enabling flexible power distribution across multiple surfaces and locations.
2Adaptability or versatility
If AC power is converted to DC power at end use points, then device compatibility is improved, but energy efficiency deteriorates due to power losses
Solution Approach 1:
The patent applies different functional qualities to different locations: AC/DC conversion is performed locally at or near each device endpoint rather than centrally, allowing each device to receive appropriate DC power while minimizing conversion losses. The nanowire traces are also applied locally to specific surfaces where power is needed, rather than running long wire runs through walls.
Solution Approach 2:
The patent introduces AC/DC converter units as intermediary devices that bridge the AC power distribution infrastructure and DC-powered end devices. These converters are strategically positioned to minimize energy loss while providing universal device compatibility, and the nanowire traces serve as intermediaries to deliver power to surfaces where devices are placed.
3Ease of manufacture
If existing wiring is repurposed for DC power distribution, then installation cost is reduced, but wiring accessibility deteriorates due to being enclosed in walls
Solution Approach 1:
The patent replaces the mechanical wiring system (cables run through walls and ceilings) with a chemical/depositional system (nanowire traces applied to surfaces). This substitution eliminates the need to access and reconfigure existing wiring, as the nanowire traces can be directly applied to any surface without disturbing the building structure, thereby maintaining low installation cost while dramatically improving accessibility.
4Adaptability or versatility
If walls and ceilings are opened for wiring installation, then power distribution capability is improved, but construction disruption and complexity increase
Solution Approach 1:
The patent inverts the traditional installation sequence: instead of installing wiring first (within walls) and then closing walls, the system applies power distribution traces last (on surfaces). This inversion allows walls and ceilings to remain closed throughout construction, eliminating disruption and complexity while maintaining full power distribution capability to all desired locations.
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 quick and cost-effective installation and relocation of DC power distribution without invasive construction, reducing power losses by eliminating the need for AC to DC conversion and minimizing the environmental impact of traditional etching processes.
Implementation Method 1
The conductive current path is formed by silver nanowire that is applied to a surface as a paint
Implementation Method 2
A system utilizing silver nanowire coatings to transmit DC power
Data Source
AI summary
An electrical connection and control system is provided including a power source configured to provide a direct current output and an electrically powered element configured to receive power from the power source. The power is supplied via strips of nanowire material applied upon a surface. Controllers are provided to control the electrically powered elements via switches and/or via network connections.