Self-Powered Processing Device with Fuel Cell and Thermoelectric Coupling
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Solution Overview
Problem
Current computing devices face limitations in power sourcing, including battery limitations such as low energy storage and charge cycles, and reliance on external electrical power grids which can be costly and unreliable, especially for distributed processing units.
Innovation Solution
Integration of a self-powered processing device combining a processing unit with a fuel cell power generator, allowing for standalone operation and thermal management through thermoelectric coupling, with the option for energy storage during low processing periods and energy draw during high processing periods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If batteries are used to power computational processing, then portable operation is enabled, but limited energy storage capacity and limited charge/discharge cycle lifetime result
Solution Approach 1:
The patent combines a fuel cell power generator with a processing device to create an integrated self-powered system. The fuel cell converts chemical energy from fuel (e.g., hydrogen) and oxidant directly into electrical energy, providing continuous power without the charge/discharge cycle limitations of batteries. This merging of power generation and processing functions resolves the contradiction by enabling both extended operational duration and improved reliability through a different energy conversion mechanism.
Solution Approach 2:
The patent changes the fundamental parameter of energy storage from electrochemical (battery) to chemical (fuel cell reactants). By storing energy in the form of fuel and oxidant chemicals rather than electrical charge, the system achieves effectively unlimited operational duration as long as fuel is supplied, while maintaining high reliability through the robust chemistry of fuel cells that are not subject to degradation from charge/discharge cycling.
2Duration of action of stationary object
If external electrical power grid is used, then continuous power supply is achieved, but high cost and infrastructure requirements increase
Solution Approach 1:
The fuel cell-powered processing device is self-sufficient, generating its own electrical power through onboard conversion of chemical energy from fuel and oxidant. This eliminates the need for external power grid connections and associated infrastructure, while maintaining continuous power supply capability. The system serves its own power needs, resolving the contradiction between power continuity and infrastructure complexity.
3Power
If tethered connection to wall outlet is used, then unlimited power access is enabled, but portability and mobility are reduced
Solution Approach 1:
The patent merges the power generation function directly into the processing device by integrating a fuel cell system. This combination enables the device to carry its own power source, achieving both unlimited power access (limited only by fuel capacity) and full portability. The integrated design eliminates the need for external power connections while maintaining computational functionality, resolving the contradiction between power access and mobility.
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 continuous operation without external power sources, reducing costs and infrastructure needs, while improving reliability and efficiency by utilizing fuel cells and energy storage for power management.
Implementation Method 1
The power generator can be a fuel cell that can be manufactured from materials that can also support processing circuitry, such as silicon-based materials
Implementation Method 2
The thermal coupling between the power generator and the processing device can comprise a thermoelectric that can generate electrical power from the temperature differential between the processing device, which can be operated at a lower temperature, and the power generator
Implementation Method 3
Alternatively, the thermal electric can consume electrical power and generate a temperature differential between the power generator in the processing device, thereby beneficially cooling the processing device while beneficially adding heat to the power generator
Implementation Method 4
The thermal coupling between the power generator and the processing device can further comprise a thermal coupling between the fuel being delivered to the power generator and the processing device, thereby enabling the cool fuel to cool the processing device prior to being consumed by the power generator
Data Source
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AI summary
A self-powered processing device comprises both a processing device and a power generator that are physically, electrically, and thermally coupled to one another. The power generator can be a fuel cell that can be manufactured from materials that can also support processing circuitry, such as silicon-based materials. A thermal coupling between the power generator and the processing device can include a thermoelectric either generating electrical power from the temperature differential or consuming electrical power to generate a temperature differential. A computing device with self-powered processing devices also includes energy storage devices to store excess energy produced by the self-powered processing device and provide it back during times of need. The self-powered processing device comprises either a wireless or wired network connection, the latter being connectable to a slot on a backplane that can aggregate multiple self-powered processing devices and provide fuel delivery paths for them.